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DWS UMN 20250703 version

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Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: luhuayi <luhuayi@huawei.com>
Co-committed-by: luhuayi <luhuayi@huawei.com>
This commit is contained in:
Lu, Huayi
2025-08-04 06:51:42 +00:00
committed by zuul
parent ca5c9a3342
commit 3a18074b37
44 changed files with 1869 additions and 1305 deletions
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</th>
<th align="left" class="cellrowborder" valign="top" width="33.24332433243324%" id="mcps1.3.4.2.2.4.1.2"><p id="EN-US_TOPIC_0000002167905984__p992917396172"><strong id="EN-US_TOPIC_0000002167905984__b819440562">Limit</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="47.41474147414741%" id="mcps1.3.4.2.2.4.1.3"><p id="EN-US_TOPIC_0000002167905984__p149291439151719"><strong id="EN-US_TOPIC_0000002167905984__b812284571">Description</strong></p>
<th align="left" class="cellrowborder" valign="top" width="47.41474147414741%" id="mcps1.3.4.2.2.4.1.3"><p id="EN-US_TOPIC_0000002167905984__p149291439151719"><strong id="EN-US_TOPIC_0000002167905984__b428697551">Description</strong></p>
</th>
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</td>
<td class="cellrowborder" valign="top" width="16%" headers="mcps1.3.2.2.7.1.5 "><p id="EN-US_TOPIC_0000002203312053__en-us_topic_0000001811490813_p35677487398">2048</p>
</td>
<td class="cellrowborder" valign="top" width="21%" headers="mcps1.3.2.2.7.1.6 "><ul id="EN-US_TOPIC_0000002203312053__en-us_topic_0000001811490813_ul123101155151720"><li id="EN-US_TOPIC_0000002203312053__en-us_topic_0000001811490813_li183100556177">Storage-compute integration: 2048</li><li id="EN-US_TOPIC_0000002203312053__en-us_topic_0000001811490813_li53102552171">Decoupled storage and compute: The multi-VW technology is used to support up to 256 VWs, each with up to 1024 DNs. It is recommended that you limit VWs to 32 or fewer and DNs to 128 or fewer per VW.</li></ul>
<td class="cellrowborder" valign="top" width="21%" headers="mcps1.3.2.2.7.1.6 "><ul id="EN-US_TOPIC_0000002203312053__en-us_topic_0000001811490813_ul123101155151720"><li id="EN-US_TOPIC_0000002203312053__en-us_topic_0000001811490813_li183100556177">Storage-compute integration: 2048</li><li id="EN-US_TOPIC_0000002203312053__en-us_topic_0000001811490813_li53102552171">Decoupled storage and compute: The multi-VW technology is used to support up to 256 VWs, each with up to 1,024 DNs. It is recommended that you limit VWs to 32 or fewer and DNs to 128 or fewer per VW. The total number of DNs of all VWs cannot exceed 2,048.</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002203312053__en-us_topic_0000001811490813_row3854141855512"><td class="cellrowborder" valign="top" width="15%" headers="mcps1.3.2.2.7.1.1 "><p id="EN-US_TOPIC_0000002203312053__en-us_topic_0000001811490813_p35048815418">Number of concurrent connections</p>

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</p></li><li id="EN-US_TOPIC_0000002168065664__li936871610170"><span>Configure the enterprise project to which the cluster belongs. You can configure this parameter only when the Enterprise Project Management service is enabled. The default value is <strong id="EN-US_TOPIC_0000002168065664__b123293559253">default</strong>.</span><p><p id="EN-US_TOPIC_0000002168065664__p237117168171">An enterprise project facilitates project-level management and grouping of cloud resources and users.</p>
<p id="EN-US_TOPIC_0000002168065664__p43059551051">You can select the default enterprise project <span class="parmvalue" id="EN-US_TOPIC_0000002168065664__parmvalue179951447105213"><b>default</b></span> or other existing enterprise projects. To create an enterprise project, log in to the Enterprise Management console. For details, see <em id="EN-US_TOPIC_0000002168065664__i517384915539">Enterprise Management User Guide</em>.</p>
</p></li><li id="EN-US_TOPIC_0000002168065664__li12731024123113"><span>Select <span class="parmname" id="EN-US_TOPIC_0000002168065664__parmname199906301105"><b>Default</b></span> for <strong id="EN-US_TOPIC_0000002168065664__b537753715815">Advanced Settings</strong> in this example.</span><p><ul id="EN-US_TOPIC_0000002168065664__ul5460153173816"><li id="EN-US_TOPIC_0000002168065664__li1446015343814"><strong id="EN-US_TOPIC_0000002168065664__b153054615712">Default</strong>: indicates that the following advanced settings use the default configurations.<ul id="EN-US_TOPIC_0000002168065664__ul1986713232429"><li id="EN-US_TOPIC_0000002168065664__li4252191818248"><strong id="EN-US_TOPIC_0000002168065664__b53419195119">CNs</strong>: Three CNs are deployed by default.</li><li id="EN-US_TOPIC_0000002168065664__li6380852173414"><strong id="EN-US_TOPIC_0000002168065664__b1384220244151">Tag</strong>: By default, no tag is added to the cluster.</li></ul>
</li><li id="EN-US_TOPIC_0000002168065664__li3460133384"><strong id="EN-US_TOPIC_0000002168065664__b366894713817">Custom</strong>: Select this option to configure the following advanced parameters: <strong id="EN-US_TOPIC_0000002168065664__b066824715815">Automated Snapshot</strong>, <strong id="EN-US_TOPIC_0000002168065664__b66681476818">CNs</strong>, <strong id="EN-US_TOPIC_0000002168065664__b116681447589">Tag</strong></li></ul>
</li><li id="EN-US_TOPIC_0000002168065664__li3460133384"><strong id="EN-US_TOPIC_0000002168065664__b144551524171611">Custom</strong>: Select this option to configure advanced parameters <strong id="EN-US_TOPIC_0000002168065664__b1145532415164">Automated Snapshot</strong>, <strong id="EN-US_TOPIC_0000002168065664__b16455172401612">Tag</strong>, and <strong id="EN-US_TOPIC_0000002168065664__b745612245162">CNs</strong>.</li></ul>
</p></li><li id="EN-US_TOPIC_0000002168065664__li36258555152115"><span>Click <strong id="EN-US_TOPIC_0000002168065664__b1789818521385">Create Now</strong>. The <strong id="EN-US_TOPIC_0000002168065664__b138986521780">Confirm</strong> page is displayed.</span></li><li id="EN-US_TOPIC_0000002168065664__li47734902152356"><span>Click <strong id="EN-US_TOPIC_0000002168065664__b817385610281">Submit</strong>.</span><p><p id="EN-US_TOPIC_0000002168065664__en-us_topic_0106894662_p4318009414">After the submission is successful, the creation starts. Click <span class="uicontrol" id="EN-US_TOPIC_0000002168065664__uicontrol167661830590"><b>Back to Cluster List</b></span>. The <strong id="EN-US_TOPIC_0000002168065664__b207668300913">Dedicated Clusters<span id="EN-US_TOPIC_0000002168065664__text129867382545"></span></strong> page is displayed. The initial status of the cluster is <span class="parmvalue" id="EN-US_TOPIC_0000002168065664__parmvalue1276614308919"><b>Creating</b></span>. Cluster creation takes some time. Wait for a while. Clusters in the <span class="parmname" id="EN-US_TOPIC_0000002168065664__parmname769647905151646"><b>Available</b></span> state are ready for use.</p>
</p></li></ol>
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</li><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li193991922194314"><strong id="EN-US_TOPIC_0000002203312113__b16841030184413">topsql_retention_time</strong><ul id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_ul43990225434"><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li19601622135412">Value range: an integer ranging from 0 to 3650, in days</li><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li1539922214315">Default value: <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b113471159854">30</strong></li><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li9399122114314">Expected DMS value: <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b1498612181963">14</strong> (for reference only)</li><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li7399422104318">Function: Specifies the aging time of <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b61309324619">pgxc_wlm_session_info</strong> data in the view.<div class="notice" id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_note46231565297"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_p56452062292">If this parameter is set to <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b178808441266">0</strong>, data will not be aged, which will cause storage expansion.</p>
</div></div>
</li></ul>
</li><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li1739919228434"><strong id="EN-US_TOPIC_0000002203312113__b19445172317459">enable_resource_record</strong><ul id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_ul1839972264315"><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li1354205155511">Value range: boolean</li><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li239972217437">Default value: <strong id="EN-US_TOPIC_0000002203312113__b1347757591">on</strong></li><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li14399132274320">Expected DMS value: <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b131801582620">on</strong> (for reference only)</li><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li193991122154314">Function: Specifies whether to enable the archiving function for resource monitoring records. When this function is enabled, records in the history views (<strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b1986311017911">GS_WLM_SESSION_HISTORY</strong> and <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b119821538915">GS_WLM_OPERATOR_HISTORY</strong>) are archived to the info views (<strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b2893291093">GS_WLM_SESSION_INFO</strong> and <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b16774812598">GS_WLM_OPERATOR_INFO</strong>) every 3 minutes. After the archiving, records in the history views are deleted.<div class="notice" id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_note42186208303"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_p14911102714305">When this parameter is enabled, you are advised to set <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b1297917372303">topsql_retention_time</strong> properly to configure the aging time. Otherwise, data in the <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b56665711312">GS_WLM_SESSION_INFO</strong> or <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b14234211133118">GS_WLM_OPERATOR_INFO</strong> table will expand.</p>
</li><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li1739919228434"><strong id="EN-US_TOPIC_0000002203312113__b19445172317459">enable_resource_record</strong><ul id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_ul1839972264315"><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li1354205155511">Value range: boolean</li><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li239972217437">Default value: <strong id="EN-US_TOPIC_0000002203312113__b661593599">on</strong></li><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li14399132274320">Expected DMS value: <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b131801582620">on</strong> (for reference only)</li><li id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_li193991122154314">Function: Specifies whether to enable the archiving function for resource monitoring records. When this function is enabled, records in the history views (<strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b1986311017911">GS_WLM_SESSION_HISTORY</strong> and <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b119821538915">GS_WLM_OPERATOR_HISTORY</strong>) are archived to the info views (<strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b2893291093">GS_WLM_SESSION_INFO</strong> and <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b16774812598">GS_WLM_OPERATOR_INFO</strong>) every 3 minutes. After the archiving, records in the history views are deleted.<div class="notice" id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_note42186208303"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_p14911102714305">When this parameter is enabled, you are advised to set <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b1297917372303">topsql_retention_time</strong> properly to configure the aging time. Otherwise, data in the <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b56665711312">GS_WLM_SESSION_INFO</strong> or <strong id="EN-US_TOPIC_0000002203312113__en-us_topic_0000001076708521_b14234211133118">GS_WLM_OPERATOR_INFO</strong> table will expand.</p>
</div></div>
</li></ul>
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<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.7.1.2 "><p id="EN-US_TOPIC_0000002167905908__p16201327102511">≥ 0</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002167905908__row162002712251"><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.7.1.1 "><p id="EN-US_TOPIC_0000002167905908__p172013273254">Maximum spilled data among all DNs when a spill occurs. The unit is MB. The default value is <strong id="EN-US_TOPIC_0000002167905908__b1372325602">0</strong>.</p>
<tr id="EN-US_TOPIC_0000002167905908__row162002712251"><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.7.1.1 "><p id="EN-US_TOPIC_0000002167905908__p172013273254">Maximum spilled data among all DNs when a spill occurs. The unit is MB. The default value is <strong id="EN-US_TOPIC_0000002167905908__b2100938196">0</strong>.</p>
</td>
<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.7.1.2 "><p id="EN-US_TOPIC_0000002167905908__p82012792515">≥ 0</p>
</td>

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</div>
</div>
</p></li><li id="EN-US_TOPIC_0000002203426685__li8697330164911"><span>Click <strong id="EN-US_TOPIC_0000002203426685__b4127135615113">Next: Configure Network</strong>.</span></li><li id="EN-US_TOPIC_0000002203426685__li161034402505"><span>Configure the network.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426685__table17104840155011" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Network parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426685__row15104134095017"><th align="left" class="cellrowborder" valign="top" width="20.32673267326733%" id="mcps1.3.4.2.8.2.1.2.4.1.1"><p id="EN-US_TOPIC_0000002203426685__p1810484015012"><strong id="EN-US_TOPIC_0000002203426685__b82095687">Parameter</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426685__table17104840155011" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Network parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426685__row15104134095017"><th align="left" class="cellrowborder" valign="top" width="20.32673267326733%" id="mcps1.3.4.2.8.2.1.2.4.1.1"><p id="EN-US_TOPIC_0000002203426685__p1810484015012"><strong id="EN-US_TOPIC_0000002203426685__b957966903">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="60.99009900990099%" id="mcps1.3.4.2.8.2.1.2.4.1.2"><p id="EN-US_TOPIC_0000002203426685__p2010519407505"><strong id="EN-US_TOPIC_0000002203426685__b1675281148">Description</strong></p>
<th align="left" class="cellrowborder" valign="top" width="60.99009900990099%" id="mcps1.3.4.2.8.2.1.2.4.1.2"><p id="EN-US_TOPIC_0000002203426685__p2010519407505"><strong id="EN-US_TOPIC_0000002203426685__b601288349">Description</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="18.683168316831683%" id="mcps1.3.4.2.8.2.1.2.4.1.3"><p id="EN-US_TOPIC_0000002203426685__p6105440115014"><strong id="EN-US_TOPIC_0000002203426685__b1868574014">Example Value</strong></p>
<th align="left" class="cellrowborder" valign="top" width="18.683168316831683%" id="mcps1.3.4.2.8.2.1.2.4.1.3"><p id="EN-US_TOPIC_0000002203426685__p6105440115014"><strong id="EN-US_TOPIC_0000002203426685__b774325187">Example Value</strong></p>
</th>
</tr>
</thead>
@ -98,7 +98,7 @@
<div class="note" id="EN-US_TOPIC_0000002203426685__note1110984095010"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000002203426685__p61091840195019">If the quotas of the security group and the security group rule are insufficient, an error message will be displayed after you submit the cluster creation application. Select an existing group and retry.</p>
</div></div>
</li><li id="EN-US_TOPIC_0000002203426685__li10109104017503">Manual creation<p id="EN-US_TOPIC_0000002203426685__p2110104017509"><a name="EN-US_TOPIC_0000002203426685__li10109104017503"></a><a name="li10109104017503"></a>You can also log in to the VPC management console to manually create a security group. Then, go back to the page for creating data warehouse clusters, click <span><img id="EN-US_TOPIC_0000002203426685__image22701133125512" src="figure/en-us_image_0000002203312653.png" width="13.965" height="13.965" title="Click to enlarge" class="imgResize"></span> next to the <span class="parmname" id="EN-US_TOPIC_0000002203426685__parmname9773131371520"><b>Security Group</b></span> drop-down list to refresh the page, and select the new security group.</p>
<p id="EN-US_TOPIC_0000002203426685__p51101240115017">To enable the GaussDB(DWS) client to connect to the cluster, you need to add an inbound rule to the new security group to grant the access permission to the database port of the GaussDB(DWS) cluster. The following is an example of an inbound rule..</p>
<p id="EN-US_TOPIC_0000002203426685__p51101240115017">To enable the GaussDB(DWS) client to connect to the cluster, you need to add an inbound rule to the new security group to grant the access permission to the database port of the GaussDB(DWS) cluster. The following is an example of an inbound rule.</p>
<ul id="EN-US_TOPIC_0000002203426685__ul1211114408509"><li id="EN-US_TOPIC_0000002203426685__li011117404507"><strong id="EN-US_TOPIC_0000002203426685__b842352706111211">Protocol</strong>: <strong id="EN-US_TOPIC_0000002203426685__b842352706111216">TCP</strong></li><li id="EN-US_TOPIC_0000002203426685__li11111540155019"><strong id="EN-US_TOPIC_0000002203426685__b2418462181044">Port</strong>: <strong id="EN-US_TOPIC_0000002203426685__b40326830181048">8000</strong>. Use the database port set when creating the GaussDB(DWS) cluster. This port is used for receiving client connections to GaussDB(DWS).</li><li id="EN-US_TOPIC_0000002203426685__li6111040125018"><strong id="EN-US_TOPIC_0000002203426685__b842352706111337">Source</strong>: Select <strong id="EN-US_TOPIC_0000002203426685__b842352706111342">IP address</strong> and use the host IP address of the client host, for example, <strong id="EN-US_TOPIC_0000002203426685__b842352706111428">192.168.0.10/32</strong>.</li></ul>
<p id="EN-US_TOPIC_0000002203426685__af713d69ac926407aba50f1b20419e527">After a GaussDB(DWS) cluster is created, you can change the security group. You can also add, delete, or modify security group rules in the current security group. For details, see <a href="dws_03_0053.html">"Modifying a Security Group"</a>. Changing the security group of a cluster may cause brief service disruption. Exercise caution when performing this operation. For better network performance, do not select more than five security groups.</p>
</li></ul>
@ -137,11 +137,11 @@
</table>
</div>
</p></li><li id="EN-US_TOPIC_0000002203426685__li434112359592"><span>Click <strong id="EN-US_TOPIC_0000002203426685__b0597173410191">Next: Configure Advanced Settings</strong>.</span></li><li id="EN-US_TOPIC_0000002203426685__li250803614263"><span>Configure cluster parameters.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426685__table175013003914" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Cluster parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426685__row9384101317142"><th align="left" class="cellrowborder" valign="top" width="21.62%" id="mcps1.3.4.2.10.2.1.2.4.1.1"><p id="EN-US_TOPIC_0000002203426685__p1438491319146"><strong id="EN-US_TOPIC_0000002203426685__b1618557702">Parameter</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426685__table175013003914" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Cluster parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426685__row9384101317142"><th align="left" class="cellrowborder" valign="top" width="21.62%" id="mcps1.3.4.2.10.2.1.2.4.1.1"><p id="EN-US_TOPIC_0000002203426685__p1438491319146"><strong id="EN-US_TOPIC_0000002203426685__b412539423">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="53.76%" id="mcps1.3.4.2.10.2.1.2.4.1.2"><p id="EN-US_TOPIC_0000002203426685__p1138413133148"><strong id="EN-US_TOPIC_0000002203426685__b1699857257">Description</strong></p>
<th align="left" class="cellrowborder" valign="top" width="53.76%" id="mcps1.3.4.2.10.2.1.2.4.1.2"><p id="EN-US_TOPIC_0000002203426685__p1138413133148"><strong id="EN-US_TOPIC_0000002203426685__b1254767315">Description</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="24.62%" id="mcps1.3.4.2.10.2.1.2.4.1.3"><p id="EN-US_TOPIC_0000002203426685__p038431301410"><strong id="EN-US_TOPIC_0000002203426685__b1196381004">Example Value</strong></p>
<th align="left" class="cellrowborder" valign="top" width="24.62%" id="mcps1.3.4.2.10.2.1.2.4.1.3"><p id="EN-US_TOPIC_0000002203426685__p038431301410"><strong id="EN-US_TOPIC_0000002203426685__b15935219">Example Value</strong></p>
</th>
</tr>
</thead>
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<tbody><tr id="EN-US_TOPIC_0000002203426685__r066f3a7f61104bb9a31d0169f82171e8"><td class="cellrowborder" valign="top" width="8.799999999999999%" headers="mcps1.3.4.2.12.2.1.3.4.2.4.1.1 "><p id="EN-US_TOPIC_0000002203426685__a8b959ff560ea49d2a83491aa498a5c75">Key</p>
</td>
<td class="cellrowborder" valign="top" width="77.12%" headers="mcps1.3.4.2.12.2.1.3.4.2.4.1.2 "><p id="EN-US_TOPIC_0000002203426685__a15d30336113748c8a9634ad15d6de6cd">The options are as follows:</p>
<ul id="EN-US_TOPIC_0000002203426685__u07dffa6de8f0487483a2a8453e6bd898"><li id="EN-US_TOPIC_0000002203426685__en-us_topic_0107869068_li29381536159">Select a predefined tag key or an existing resource tag key from the drop-down list of the text box.<div class="note" id="EN-US_TOPIC_0000002203426685__n3bbfa26d35d24fbbb691cb8a1e9cac43"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000002203426685__adbf46ce5495043f1b67245f6ea6b357a">To add a predefined tag, you need to create one on TMS and select it from the drop-down list of <span class="parmname" id="EN-US_TOPIC_0000002203426685__p41c7e0f3e8124a71a9048b286923ef01"><b>Tag key</b></span>. You can click <span class="uicontrol" id="EN-US_TOPIC_0000002203426685__uicontrol3091044659410"><b>View predefined tags</b></span> to enter the <span class="wintitle" id="EN-US_TOPIC_0000002203426685__wintitle18934842319410"><b>Predefined Tags</b></span> page of TMS. Then, click <span class="uicontrol" id="EN-US_TOPIC_0000002203426685__uicontrol15645547379410"><b>Create Tag</b></span> to create a predefined tag. For more information, see "Predefined Tags" &gt; "Creating Predefined Tags" in the <em id="EN-US_TOPIC_0000002203426685__i8556162719271">Tag Management Service User Guide</em>.</p>
<ul id="EN-US_TOPIC_0000002203426685__u07dffa6de8f0487483a2a8453e6bd898"><li id="EN-US_TOPIC_0000002203426685__en-us_topic_0107869068_li29381536159">Select a predefined tag key or an existing resource tag key from the drop-down list of the text box.<div class="note" id="EN-US_TOPIC_0000002203426685__n3bbfa26d35d24fbbb691cb8a1e9cac43"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000002203426685__adbf46ce5495043f1b67245f6ea6b357a">To add a predefined tag, you need to create one on TMS and select it from the drop-down list of <span class="parmname" id="EN-US_TOPIC_0000002203426685__p41c7e0f3e8124a71a9048b286923ef01"><b>Tag key</b></span>. You can click <span class="uicontrol" id="EN-US_TOPIC_0000002203426685__uicontrol3091044659410"><b>View predefined tags</b></span> to enter the <span class="wintitle" id="EN-US_TOPIC_0000002203426685__wintitle18934842319410"><b>Predefined Tags</b></span> page of TMS. Then, click <span class="uicontrol" id="EN-US_TOPIC_0000002203426685__uicontrol15645547379410"><b>Create Tag</b></span> to create a predefined tag. For more information, see "Predefined Tags" &gt; "Creating Predefined Tags" in the <em id="EN-US_TOPIC_0000002203426685__i5766111983511">Tag Management Service User Guide</em>.</p>
</div></div>
</li></ul>
<ul id="EN-US_TOPIC_0000002203426685__u9da028ccd7c740b38f3bc5fadea19a95"><li id="EN-US_TOPIC_0000002203426685__lc65d858b525745ed992f942d4e1211ce">Enter a tag key in the text box. A tag key can contain a maximum of 128 characters. It cannot be an empty string or start or end with a space.<div class="p" id="EN-US_TOPIC_0000002203426685__p418051717"><a name="EN-US_TOPIC_0000002203426685__lc65d858b525745ed992f942d4e1211ce"></a><a name="lc65d858b525745ed992f942d4e1211ce"></a>The value cannot contain the following characters: *&lt;&gt;\,|/<div class="note" id="EN-US_TOPIC_0000002203426685__nb396f4616e154dab9261db89c5b1f62c"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000002203426685__abd1c6c35f5da47048aa21644d4610e48">A key must be unique in a given cluster.</p>

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<h1 class="topictitle1">Checking the GaussDB(DWS) Cluster Status</h1>
<div id="body1488961602332"><p id="EN-US_TOPIC_0000002168065588__p51121613101615">Choose <strong id="EN-US_TOPIC_0000002168065588__b1240849891">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002168065588__b830181912170">Clusters<span id="EN-US_TOPIC_0000002168065588__text812713507718"></span></strong> and you can view the general information about a cluster in the displayed cluster list, such as the cluster status, task information, recent events, and node specifications.</p>
<div class="section" id="EN-US_TOPIC_0000002168065588__section1864014116328"><h4 class="sectiontitle">Querying General Information of a Cluster</h4><p id="EN-US_TOPIC_0000002168065588__p216171914330">Log in to the GaussDB(DWS) console. In the navigation pane, choose <strong id="EN-US_TOPIC_0000002168065588__b71633283187">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002168065588__b101631628141817">Clusters<span id="EN-US_TOPIC_0000002168065588__text31779571376"></span></strong>. The cluster list displays all clusters. If there are a large number of clusters, you can turn pages to view the clusters in any status.</p>
<p id="EN-US_TOPIC_0000002168065588__p545013116307">In the upper part of the cluster list, click the search box and search for the required cluster based on the filter criteria (cluster name, cluster status<span id="EN-US_TOPIC_0000002168065588__ph14411153205415">, cluster version</span>, task information, node specifications, recent events, and enterprise project). Click <span><img id="EN-US_TOPIC_0000002168065588__image16323244183811" src="figure/en-us_image_0000002167906288.png"></span> to refresh the cluster list. You can also click <strong id="EN-US_TOPIC_0000002168065588__b156395291897">Search by Tag</strong> to search for clusters based on cluster tags. For details, see <a href="dws_01_0105.html#EN-US_TOPIC_0000002203312213__section20922320396">Searching for Clusters Based on Tags</a>.</p>
<p id="EN-US_TOPIC_0000002168065588__p545013116307">In the upper part of the cluster list, click the search box and search for the required cluster based on the filter criteria (cluster name, cluster status<span id="EN-US_TOPIC_0000002168065588__ph14411153205415">, cluster version</span>, task information, node specifications, recent events, and enterprise project). Click <span><img id="EN-US_TOPIC_0000002168065588__image16323244183811" src="figure/en-us_image_0000002167906288.png"></span> to refresh the cluster list. You can also click <strong id="EN-US_TOPIC_0000002168065588__b386547111815">Search by Tag</strong> to search for clusters based on cluster tags. For details, see <a href="dws_01_0105.html#EN-US_TOPIC_0000002203312213__section20922320396">Searching for Clusters Based on Tags</a>.</p>
<p id="EN-US_TOPIC_0000002168065588__p19515494">Clusters are listed in chronological order by default, with the most recent clusters displayed at the top. <a href="#EN-US_TOPIC_0000002168065588__table3950169215120">Table 1</a> describes the cluster list parameters.</p>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000002168065588__table3950169215120"></a><a name="table3950169215120"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002168065588__table3950169215120" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Cluster list parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000002168065588__row2555468715120"><th align="left" class="cellrowborder" valign="top" width="18%" id="mcps1.3.2.5.2.3.1.1"><p id="EN-US_TOPIC_0000002168065588__p4021197415120"><strong id="EN-US_TOPIC_0000002168065588__b44458202184919">Parameter</strong></p>

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<h1 class="topictitle1">Viewing Snapshot Information</h1>
<div id="body8662426"><p id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_p9879121461112">This section describes how to view snapshot information on the <strong id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_b5779114220582">Snapshots</strong> page.</p>
<div class="section" id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_section604430709348"><h4 class="sectiontitle">Viewing Snapshot Information</h4><ol id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_ol6700273593546"><li id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_li6029015714233"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_li3542231993721"><span>In the navigation pane, choose <strong id="EN-US_TOPIC_0000002203426641__b243832142213">Management</strong> &gt; <strong id="EN-US_TOPIC_0000002203426641__b19438202172216">Snapshot</strong>.</span><p><p id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_p2374663163311">In the snapshot list, all snapshots are displayed by default.</p>
</p></li><li id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_li25916796163327"><a name="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_li25916796163327"></a><a name="en-us_topic_0000001307409978_en-us_topic_0000001180320191_li25916796163327"></a><span>You can view the <span class="parmname" id="EN-US_TOPIC_0000002203426641__parmname5660173017204"><b>Snapshot Name</b></span>, <span class="parmname" id="EN-US_TOPIC_0000002203426641__parmname1466093062014"><b>Snapshot Status</b></span>, <span class="parmname" id="EN-US_TOPIC_0000002203426641__parmname18660123012020"><b>Cluster Name</b></span>, <strong id="EN-US_TOPIC_0000002203426641__b1660163017200">Backup Mode</strong>, <span class="parmname" id="EN-US_TOPIC_0000002203426641__parmname7660330162011"><b>Snapshot Type</b></span>, <strong id="EN-US_TOPIC_0000002203426641__b966013016204">Storage Media</strong>, <strong id="EN-US_TOPIC_0000002203426641__b666016300202">Snapshot Level</strong>, and creation time of snapshots.</span><p><p id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_p3166646315049">You can also enter a snapshot name or cluster name in the upper right corner of the snapshot list and click <span><img id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001180320191_image3902143220267" src="figure/en-us_image_0000002203312533.jpg"></span> to search for the specified snapshot. GaussDB(DWS) supports fuzzy search.</p>
</p></li><li id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_li25916796163327"><a name="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_li25916796163327"></a><a name="en-us_topic_0000001307409978_en-us_topic_0000001180320191_li25916796163327"></a><span>You can view the <span class="parmname" id="EN-US_TOPIC_0000002203426641__parmname20857350193419"><b>Snapshot Name</b></span>, <span class="parmname" id="EN-US_TOPIC_0000002203426641__parmname1085735083419"><b>Snapshot Status</b></span>, <span class="parmname" id="EN-US_TOPIC_0000002203426641__parmname385710502348"><b>Cluster Name</b></span>, <strong id="EN-US_TOPIC_0000002203426641__b19857350143418">Backup Mode</strong>, <span class="parmname" id="EN-US_TOPIC_0000002203426641__parmname985715016347"><b>Snapshot Type</b></span>, <strong id="EN-US_TOPIC_0000002203426641__b08571750123416">Storage Media</strong>, <strong id="EN-US_TOPIC_0000002203426641__b1485705083410">Snapshot Level</strong>, and creation time of snapshots.</span><p><p id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_p3166646315049">You can also enter a snapshot name or cluster name in the upper right corner of the snapshot list and click <span><img id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001180320191_image3902143220267" src="figure/en-us_image_0000002203312533.jpg"></span> to search for the specified snapshot. GaussDB(DWS) supports fuzzy search.</p>
<p id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_p57036249163450"><a href="#EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_table3259774163926">Table 1</a> describes snapshot status.</p>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_table3259774163926"></a><a name="en-us_topic_0000001307409978_en-us_topic_0000001180320191_table3259774163926"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_table3259774163926" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Snapshot status</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_r2d963a51fa864b3689b04a5b8cd5c0dd"><th align="left" class="cellrowborder" valign="top" width="23.14%" id="mcps1.3.2.2.3.2.3.2.3.1.1"><p id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_a3267bb5462e64bb7b240d5ca758c980f"><strong id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_en-us_topic_0000001180320191_a816cb4668a2f4064a090e5167d622d2c">Status</strong></p>
@ -53,7 +53,7 @@
</div>
<p id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_p9780051961">The following table describes the snapshot types.</p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_table5780051267" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Type</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_row1278115519619"><th align="left" class="cellrowborder" valign="top" width="23.27%" id="mcps1.3.2.2.3.2.7.2.3.1.1"><p id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_p8781125115619"><strong id="EN-US_TOPIC_0000002203426641__b191546824">Type</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_table5780051267" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Type</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_row1278115519619"><th align="left" class="cellrowborder" valign="top" width="23.27%" id="mcps1.3.2.2.3.2.7.2.3.1.1"><p id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_p8781125115619"><strong id="EN-US_TOPIC_0000002203426641__b1041764427">Type</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="76.73%" id="mcps1.3.2.2.3.2.7.2.3.1.2"><p id="EN-US_TOPIC_0000002203426641__en-us_topic_0000001307409978_p8781155110615">Description</p>
</th>

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<p id="EN-US_TOPIC_0000002203312085__p16225155432912"></p>
</p></li><li id="EN-US_TOPIC_0000002203312085__li11046151161353"><span>Specify the number of nodes to be added.</span><p><ul id="EN-US_TOPIC_0000002203312085__ul335865953115"><li id="EN-US_TOPIC_0000002203312085__li122781546191612">DNs are added during scale-out. For details about how to add CNs, see <a href="dws_01_7115.html">Adding or Deleting a CN in a GaussDB(DWS) Cluster</a>.</li><li id="EN-US_TOPIC_0000002203312085__li1844172816614">The number of nodes after scale-out must be at least three nodes more than the original number. The maximum number of nodes that can be added depends on the available quota. In addition, the number of nodes after the scale-out cannot exceed 256.<p id="EN-US_TOPIC_0000002203312085__p65621308611"><a name="EN-US_TOPIC_0000002203312085__li1844172816614"></a><a name="li1844172816614"></a>If the node quota is insufficient, click <strong id="EN-US_TOPIC_0000002203312085__b3232144134719">Increase quota</strong> to submit a service ticket and apply for higher node quota.</p>
</li><li id="EN-US_TOPIC_0000002203312085__li435814595318">Flavor of the new nodes must be the same as that of existing nodes in the cluster.</li><li id="EN-US_TOPIC_0000002203312085__li435835913111">The VPC and security group of the cluster with new nodes added are the same as those of the original cluster.</li></ul>
</p></li><li id="EN-US_TOPIC_0000002203312085__li85162515474"><a name="EN-US_TOPIC_0000002203312085__li85162515474"></a><a name="li85162515474"></a><span>Configure advanced parameters.</span><p><ul id="EN-US_TOPIC_0000002203312085__ul2060942514479"><li id="EN-US_TOPIC_0000002203312085__li1660913258478">If you choose <strong id="EN-US_TOPIC_0000002203312085__b2532530202215">Default</strong>, <strong id="EN-US_TOPIC_0000002203312085__b125321030142213">Auto Redistribution</strong> will be enabled and <strong id="EN-US_TOPIC_0000002203312085__b35321530152219">Redistribution Mode</strong> will be <strong id="EN-US_TOPIC_0000002203312085__b1353220305229">Offline</strong> by default.</li><li id="EN-US_TOPIC_0000002203312085__li138636432478">If you choose <strong id="EN-US_TOPIC_0000002203312085__b2950845122217">Custom</strong>, you can configure the following advanced configuration parameters for scale-out:<ul id="EN-US_TOPIC_0000002203312085__ul15930646134719"><li id="EN-US_TOPIC_0000002203312085__li725049164818"><strong id="EN-US_TOPIC_0000002203312085__b187838403557">Auto Redistribution</strong>: Automatic redistribution can be enabled. If automatic redistribution is enabled, data will be redistributed immediately after the scale-out is complete. If this function is disabled, only the scale-out is performed. In this case, to redistribute data, select a cluster and choose <strong id="EN-US_TOPIC_0000002203312085__b42275194715">More</strong> &gt; <strong id="EN-US_TOPIC_0000002203312085__b187591126477">Scale Node</strong> &gt; <strong id="EN-US_TOPIC_0000002203312085__b93347418479">Redistribute</strong>.</li><li id="EN-US_TOPIC_0000002203312085__li131942010483"><strong id="EN-US_TOPIC_0000002203312085__b43571228164">Redistribution Concurrency</strong>: If automatic redistribution is enabled, you can set the number of concurrent redistribution tasks. The value range is 1 to 200. The default value is <strong id="EN-US_TOPIC_0000002203312085__b8178193195116">4</strong>.</li><li id="EN-US_TOPIC_0000002203312085__li35581545155011"><strong id="EN-US_TOPIC_0000002203312085__b864016503224">Auto Redistribution</strong>: Select <strong id="EN-US_TOPIC_0000002203312085__b156403507220">Offline</strong>.</li></ul>
</p></li><li id="EN-US_TOPIC_0000002203312085__li85162515474"><a name="EN-US_TOPIC_0000002203312085__li85162515474"></a><a name="li85162515474"></a><span>Configure advanced parameters.</span><p><ul id="EN-US_TOPIC_0000002203312085__ul2060942514479"><li id="EN-US_TOPIC_0000002203312085__li1660913258478">If you choose <strong id="EN-US_TOPIC_0000002203312085__b167233223189">Default</strong>, <strong id="EN-US_TOPIC_0000002203312085__b6723122210189">Auto Redistribution</strong> will be enabled and <strong id="EN-US_TOPIC_0000002203312085__b9723422101818">Redistribution Mode</strong> will be <strong id="EN-US_TOPIC_0000002203312085__b1172314223182">Offline</strong> by default.</li><li id="EN-US_TOPIC_0000002203312085__li138636432478">If you choose <strong id="EN-US_TOPIC_0000002203312085__b2950845122217">Custom</strong>, you can configure the following advanced configuration parameters for scale-out:<ul id="EN-US_TOPIC_0000002203312085__ul15930646134719"><li id="EN-US_TOPIC_0000002203312085__li725049164818"><strong id="EN-US_TOPIC_0000002203312085__b187838403557">Auto Redistribution</strong>: Automatic redistribution can be enabled. If automatic redistribution is enabled, data will be redistributed immediately after the scale-out is complete. If this function is disabled, only the scale-out is performed. In this case, to redistribute data, select a cluster and choose <strong id="EN-US_TOPIC_0000002203312085__b42275194715">More</strong> &gt; <strong id="EN-US_TOPIC_0000002203312085__b187591126477">Scale Node</strong> &gt; <strong id="EN-US_TOPIC_0000002203312085__b93347418479">Redistribute</strong>.</li><li id="EN-US_TOPIC_0000002203312085__li131942010483"><strong id="EN-US_TOPIC_0000002203312085__b43571228164">Redistribution Concurrency</strong>: If automatic redistribution is enabled, you can set the number of concurrent redistribution tasks. The value range is 1 to 200. The default value is <strong id="EN-US_TOPIC_0000002203312085__b8178193195116">4</strong>.</li><li id="EN-US_TOPIC_0000002203312085__li35581545155011"><strong id="EN-US_TOPIC_0000002203312085__b1578519516192">Auto Redistribution</strong>: Select <strong id="EN-US_TOPIC_0000002203312085__b157854515199">Offline</strong>.</li></ul>
</li></ul>
</p></li><li id="EN-US_TOPIC_0000002203312085__li1730493616170"><span>Confirm the settings, select the confirmation check box, and click <strong id="EN-US_TOPIC_0000002203312085__b184515025114">Next: Confirm</strong>.</span></li><li id="EN-US_TOPIC_0000002203312085__li47734902152356"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000002203312085__uicontrol14581747163911"><b>Submit</b></span>.</span><p><ul id="EN-US_TOPIC_0000002203312085__ul4088238314358"><li id="EN-US_TOPIC_0000002203312085__li1540785319355">After you submit the scale-out application, task information of the cluster changes to <span class="uicontrol" id="EN-US_TOPIC_0000002203312085__uicontrol182509592514"><b>Scaling out</b></span> and the process will take several minutes.</li><li id="EN-US_TOPIC_0000002203312085__li213315217368">During the scale-out, the cluster automatically restarts. Therefore, the cluster status will stay <span class="parmname" id="EN-US_TOPIC_0000002203312085__parmname3565151085212"><b>Unavailable</b></span> for a while. After the cluster is restarted, the status will change to <strong id="EN-US_TOPIC_0000002203312085__b25661010165210">Available</strong>.</li><li id="EN-US_TOPIC_0000002203312085__li686436714536">After the scale-out is complete, the system dynamically redistributes user data in the cluster, during which the cluster is in the <strong id="EN-US_TOPIC_0000002203312085__b1894681612525">Read-only</strong> state.</li><li id="EN-US_TOPIC_0000002203312085__li3129985914358">A cluster is successfully scaled out only when the cluster is in the <span class="uicontrol" id="EN-US_TOPIC_0000002203312085__uicontrol99151461661"><b>Available</b></span> state and task information <span class="uicontrol" id="EN-US_TOPIC_0000002203312085__uicontrol109213462614"><b>Scaling out</b></span> is not displayed. Then you can use the cluster.</li><li id="EN-US_TOPIC_0000002203312085__li4727440814358">If <strong id="EN-US_TOPIC_0000002203312085__b18897124912524">Scale-out failed</strong> is displayed, the cluster fails to be scaled out.</li></ul>
</p></li></ol>

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@ -16,22 +16,22 @@
<div class="note" id="EN-US_TOPIC_0000002203312245__note13477656192916"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000002203312245__ul9480125153318"><li id="EN-US_TOPIC_0000002203312245__li44805258330">If the current console does not support this feature, contact technical support. </li><li id="EN-US_TOPIC_0000002203312245__li1048092583310">After the cluster is stopped, ECS basic resources (vCPUs and memory) are no longer reserved. When you start the service again, it may fail to be started due to insufficient resources. In this case, wait for a while and try again later.</li></ul>
</div></div>
<p id="EN-US_TOPIC_0000002203312245__p14330123422912"><strong id="EN-US_TOPIC_0000002203312245__b733083414296">Procedure</strong></p>
<ol id="EN-US_TOPIC_0000002203312245__ol4330143422913"><li id="EN-US_TOPIC_0000002203312245__li13330113402918"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002203312245__li4330334142911"><span>Choose <strong id="EN-US_TOPIC_0000002203312245__b12857201981413">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203312245__b148581519201412">Clusters<span id="EN-US_TOPIC_0000002203312245__text8858111919148"></span></strong> in the navigation pane.</span></li><li id="EN-US_TOPIC_0000002203312245__li143307343293"><span>On the <span class="wintitle" id="EN-US_TOPIC_0000002203312245__wintitle1173132310440"><b>Dedicated Clusters<span id="EN-US_TOPIC_0000002203312245__text1273112311445"></span></b></span> page, locate the row that contains the target dedicated cluster, click <strong id="EN-US_TOPIC_0000002203312245__b1174823114414">More</strong> &gt; <strong id="EN-US_TOPIC_0000002203312245__b27415233445">Stop</strong> in the <strong id="EN-US_TOPIC_0000002203312245__b127414232448">Operation</strong> column.</span></li><li id="EN-US_TOPIC_0000002203312245__li143311134162914"><span>In the dialog box that is displayed, click <span class="uicontrol" id="EN-US_TOPIC_0000002203312245__uicontrol34991321"><b>Yes</b></span>.</span><p><p id="EN-US_TOPIC_0000002203312245__p73313340296">The <span class="parmname" id="EN-US_TOPIC_0000002203312245__parmname15331534192910"><b>Task Information</b></span> of the cluster changes to <span class="parmvalue" id="EN-US_TOPIC_0000002203312245__parmvalue103321434112918"><b>Stopping</b></span>. If the <strong id="EN-US_TOPIC_0000002203312245__b11931133411420">Cluster Status</strong> changes to <strong id="EN-US_TOPIC_0000002203312245__b493219341343">Stopped</strong>, the cluster is stopped successfully.</p>
<ol id="EN-US_TOPIC_0000002203312245__ol4330143422913"><li id="EN-US_TOPIC_0000002203312245__li13330113402918"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002203312245__li4330334142911"><span>Choose <strong id="EN-US_TOPIC_0000002203312245__b12857201981413">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203312245__b148581519201412">Clusters<span id="EN-US_TOPIC_0000002203312245__text8858111919148"></span></strong> in the navigation pane.</span></li><li id="EN-US_TOPIC_0000002203312245__li143307343293"><span>On the <span class="wintitle" id="EN-US_TOPIC_0000002203312245__wintitle1173132310440"><b>Dedicated Clusters<span id="EN-US_TOPIC_0000002203312245__text1273112311445"></span></b></span> page, locate the row that contains the target dedicated cluster, click <strong id="EN-US_TOPIC_0000002203312245__b1174823114414">More</strong> &gt; <strong id="EN-US_TOPIC_0000002203312245__b27415233445">Stop</strong> in the <strong id="EN-US_TOPIC_0000002203312245__b127414232448">Operation</strong> column.</span></li><li id="EN-US_TOPIC_0000002203312245__li143311134162914"><span>In the dialog box that is displayed, click <span class="uicontrol" id="EN-US_TOPIC_0000002203312245__uicontrol382230414"><b>Yes</b></span>.</span><p><p id="EN-US_TOPIC_0000002203312245__p73313340296">The <span class="parmname" id="EN-US_TOPIC_0000002203312245__parmname15331534192910"><b>Task Information</b></span> of the cluster changes to <span class="parmvalue" id="EN-US_TOPIC_0000002203312245__parmvalue103321434112918"><b>Stopping</b></span>. If the <strong id="EN-US_TOPIC_0000002203312245__b11931133411420">Cluster Status</strong> changes to <strong id="EN-US_TOPIC_0000002203312245__b493219341343">Stopped</strong>, the cluster is stopped successfully.</p>
</p></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000002203312245__section6834151811262"><a name="EN-US_TOPIC_0000002203312245__section6834151811262"></a><a name="section6834151811262"></a><h4 class="sectiontitle">Starting a Cluster</h4><p id="EN-US_TOPIC_0000002203312245__p8060118">You can start a stopped cluster to restore cluster services.</p>
<div class="note" id="EN-US_TOPIC_0000002203312245__note1158584523517"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000002203312245__p174046551359">If the current console does not support this feature, contact technical support. </p>
</div></div>
<p id="EN-US_TOPIC_0000002203312245__p8164183515581"><strong id="EN-US_TOPIC_0000002203312245__b22061038105812">Procedure</strong></p>
<ol id="EN-US_TOPIC_0000002203312245__ol6516341122612"><li id="EN-US_TOPIC_0000002203312245__li11516134152616"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002203312245__li1640916486565"><span>Choose <strong id="EN-US_TOPIC_0000002203312245__b354718244147">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203312245__b185482247143">Clusters<span id="EN-US_TOPIC_0000002203312245__text20548124181416"></span></strong> in the navigation pane.</span></li><li id="EN-US_TOPIC_0000002203312245__li164099489561"><span>On the <span class="wintitle" id="EN-US_TOPIC_0000002203312245__wintitle1746616346449"><b>Dedicated Clusters<span id="EN-US_TOPIC_0000002203312245__text1646633419448"></span></b></span> page, locate the row that contains the target dedicated cluster, click <strong id="EN-US_TOPIC_0000002203312245__b7467434164411">More</strong> &gt; <strong id="EN-US_TOPIC_0000002203312245__b17467203434417">Start</strong> in the <strong id="EN-US_TOPIC_0000002203312245__b1046714340449">Operation</strong> column.</span></li><li id="EN-US_TOPIC_0000002203312245__li155161141182616"><span>In the dialog box that is displayed, click <span class="uicontrol" id="EN-US_TOPIC_0000002203312245__uicontrol1497181317"><b>Yes</b></span>.</span><p><p id="EN-US_TOPIC_0000002203312245__p1351714411265">The <span class="parmname" id="EN-US_TOPIC_0000002203312245__parmname8517164152619"><b>Task Information</b></span> of the cluster changes to <span class="parmvalue" id="EN-US_TOPIC_0000002203312245__parmvalue185172414261"><b>Starting</b></span>. If the <span class="parmname" id="EN-US_TOPIC_0000002203312245__parmname651724110269"><b>Cluster Status</b></span> changes to <span class="parmvalue" id="EN-US_TOPIC_0000002203312245__parmvalue1851714122616"><b>Available</b></span>, the cluster is started successfully.</p>
<ol id="EN-US_TOPIC_0000002203312245__ol6516341122612"><li id="EN-US_TOPIC_0000002203312245__li11516134152616"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002203312245__li1640916486565"><span>Choose <strong id="EN-US_TOPIC_0000002203312245__b354718244147">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203312245__b185482247143">Clusters<span id="EN-US_TOPIC_0000002203312245__text20548124181416"></span></strong> in the navigation pane.</span></li><li id="EN-US_TOPIC_0000002203312245__li164099489561"><span>On the <span class="wintitle" id="EN-US_TOPIC_0000002203312245__wintitle1746616346449"><b>Dedicated Clusters<span id="EN-US_TOPIC_0000002203312245__text1646633419448"></span></b></span> page, locate the row that contains the target dedicated cluster, click <strong id="EN-US_TOPIC_0000002203312245__b7467434164411">More</strong> &gt; <strong id="EN-US_TOPIC_0000002203312245__b17467203434417">Start</strong> in the <strong id="EN-US_TOPIC_0000002203312245__b1046714340449">Operation</strong> column.</span></li><li id="EN-US_TOPIC_0000002203312245__li155161141182616"><span>In the dialog box that is displayed, click <span class="uicontrol" id="EN-US_TOPIC_0000002203312245__uicontrol647955916"><b>Yes</b></span>.</span><p><p id="EN-US_TOPIC_0000002203312245__p1351714411265">The <span class="parmname" id="EN-US_TOPIC_0000002203312245__parmname8517164152619"><b>Task Information</b></span> of the cluster changes to <span class="parmvalue" id="EN-US_TOPIC_0000002203312245__parmvalue185172414261"><b>Starting</b></span>. If the <span class="parmname" id="EN-US_TOPIC_0000002203312245__parmname651724110269"><b>Cluster Status</b></span> changes to <span class="parmvalue" id="EN-US_TOPIC_0000002203312245__parmvalue1851714122616"><b>Available</b></span>, the cluster is started successfully.</p>
</p></li></ol>
<p id="EN-US_TOPIC_0000002203312245__p164171052101717"></p>
</div>
<div class="section" id="EN-US_TOPIC_0000002203312245__section1633815811712"><h4 class="sectiontitle">Deleting a Cluster</h4><p id="EN-US_TOPIC_0000002203312245__p133648014235">If you do not need to use a cluster, perform the operations in this section to delete it.</p>
</div>
<p id="EN-US_TOPIC_0000002203312245__p13795114720247"><strong id="EN-US_TOPIC_0000002203312245__b1289140773">Impact on the System </strong></p>
<p id="EN-US_TOPIC_0000002203312245__p13795114720247"><strong id="EN-US_TOPIC_0000002203312245__b746895630">Impact on the System </strong></p>
<p id="EN-US_TOPIC_0000002203312245__p18466637114935">Deleted clusters cannot be recovered. Additionally, you cannot access user data and automated snapshots in a deleted cluster because the data and snapshots are automatically deleted. If you delete a cluster, its manual snapshots will not be deleted.</p>
<p id="EN-US_TOPIC_0000002203312245__p167761857202413"><strong id="EN-US_TOPIC_0000002203312245__b635299569">Procedure</strong></p>
<p id="EN-US_TOPIC_0000002203312245__p167761857202413"><strong id="EN-US_TOPIC_0000002203312245__b922771037">Procedure</strong></p>
<ol id="EN-US_TOPIC_0000002203312245__en-us_topic_0000001372679830_ol65599416114244"><li id="EN-US_TOPIC_0000002203312245__en-us_topic_0000001372679830_li1793484014417"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002203312245__en-us_topic_0000001372679830_li99391743172913"><span>Click <span><img id="EN-US_TOPIC_0000002203312245__en-us_topic_0000001372679830_image16795151617455" src="figure/en-us_image_0000002168066232.png"></span> in the upper left corner of the management console to select a region.</span></li><li id="EN-US_TOPIC_0000002203312245__en-us_topic_0000001372679830_li11952509114244"><span>Choose <strong id="EN-US_TOPIC_0000002203312245__b1787649133212">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203312245__b14882049163210">Clusters<span id="EN-US_TOPIC_0000002203312245__text988749163214"></span></strong> and locate the cluster to be deleted.</span></li><li id="EN-US_TOPIC_0000002203312245__en-us_topic_0000001372679830_li10942194312560"><span>In the row of a cluster, choose <span class="menucascade" id="EN-US_TOPIC_0000002203312245__menucascade164971319143412"><b><span class="uicontrol" id="EN-US_TOPIC_0000002203312245__uicontrol144966195343">More</span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000002203312245__uicontrol1049714192348">Delete</span></b></span>.</span></li><li id="EN-US_TOPIC_0000002203312245__en-us_topic_0000001372679830_li74701137202918"><span>In the displayed dialog box, confirm the deletion. You can determine whether to perform the following operations:</span><p><ul id="EN-US_TOPIC_0000002203312245__en-us_topic_0000001372679830_ul9917131012373"><li id="EN-US_TOPIC_0000002203312245__en-us_topic_0000001372679830_li79171310173719">Create a snapshot for the cluster.<p id="EN-US_TOPIC_0000002203312245__en-us_topic_0000001372679830_p1753343293714"><a name="EN-US_TOPIC_0000002203312245__en-us_topic_0000001372679830_li79171310173719"></a><a name="en-us_topic_0000001372679830_li79171310173719"></a>If the cluster status is normal, click <span class="uicontrol" id="EN-US_TOPIC_0000002203312245__uicontrol122091449388"><b>Create Snapshot</b></span>. On the snapshot list page, click <strong id="EN-US_TOPIC_0000002203312245__b620974463816">Create Snapshot</strong> to create a snapshot for the cluster to be deleted. For details, see <a href="dws_01_0092.html">Manual Snapshots</a>. In the row of a cluster, choose <span class="menucascade" id="EN-US_TOPIC_0000002203312245__menucascade267064915382"><b><span class="uicontrol" id="EN-US_TOPIC_0000002203312245__uicontrol186691949173814">More</span></b> &gt; <b><span class="uicontrol" id="EN-US_TOPIC_0000002203312245__uicontrol26692049173817">Delete</span></b></span>.</p>
</li><li id="EN-US_TOPIC_0000002203312245__li6934151351511">Delete associated resources.<ul id="EN-US_TOPIC_0000002203312245__ul18200636171510"><li id="EN-US_TOPIC_0000002203312245__en-us_topic_0000001372679830_li19917510193711">Release the EIP bound to a cluster.<p id="EN-US_TOPIC_0000002203312245__en-us_topic_0000001372679830_p20939112014615"><a name="EN-US_TOPIC_0000002203312245__en-us_topic_0000001372679830_li19917510193711"></a><a name="en-us_topic_0000001372679830_li19917510193711"></a>If an EIP is bound to the cluster, you are advised to select <span class="uicontrol" id="EN-US_TOPIC_0000002203312245__uicontrol728793310393"><b>EIP</b></span> to release the EIP of the cluster to be deleted. </p>
</li><li id="EN-US_TOPIC_0000002203312245__li209391043131517">Delete automated snapshots.</li><li id="EN-US_TOPIC_0000002203312245__li15615165214156">Delete manual snapshots.<p id="EN-US_TOPIC_0000002203312245__p17022144195"><a name="EN-US_TOPIC_0000002203312245__li15615165214156"></a><a name="li15615165214156"></a>If you have created a manual snapshot, you can select <strong id="EN-US_TOPIC_0000002203312245__b4109124863915">Manual Snapshot</strong> to delete it.</p>

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@ -48,9 +48,9 @@
</table>
</div>
</li><li id="EN-US_TOPIC_0000002167905812__li399814403919">The following table describes the files and folders in the Windows gsql tool package.
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002167905812__table499884143912" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Files and folders in the Windows gsql tool package</caption><thead align="left"><tr id="EN-US_TOPIC_0000002167905812__row4998343398"><th align="left" class="cellrowborder" valign="top" width="16.85%" id="mcps1.3.4.2.4.2.1.3.1.2.3.1.1"><p id="EN-US_TOPIC_0000002167905812__p10998154183911"><strong id="EN-US_TOPIC_0000002167905812__b678243806">File or Folder</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002167905812__table499884143912" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Files and folders in the Windows gsql tool package</caption><thead align="left"><tr id="EN-US_TOPIC_0000002167905812__row4998343398"><th align="left" class="cellrowborder" valign="top" width="16.85%" id="mcps1.3.4.2.4.2.1.3.1.2.3.1.1"><p id="EN-US_TOPIC_0000002167905812__p10998154183911"><strong id="EN-US_TOPIC_0000002167905812__b1155165824">File or Folder</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="83.15%" id="mcps1.3.4.2.4.2.1.3.1.2.3.1.2"><p id="EN-US_TOPIC_0000002167905812__p599815483910"><strong id="EN-US_TOPIC_0000002167905812__b1105035211">Description</strong></p>
<th align="left" class="cellrowborder" valign="top" width="83.15%" id="mcps1.3.4.2.4.2.1.3.1.2.3.1.2"><p id="EN-US_TOPIC_0000002167905812__p599815483910"><strong id="EN-US_TOPIC_0000002167905812__b1576573780">Description</strong></p>
</th>
</tr>
</thead>

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@ -12,7 +12,7 @@
</p></li><li id="EN-US_TOPIC_0000002167905968__li421342113159"><span>In the row containing the cluster whose cluster status is <strong id="EN-US_TOPIC_0000002167905968__b17542059135512">Read-only</strong>, click <span class="menucascade" id="EN-US_TOPIC_0000002167905968__menucascade1954215985518"><b><span class="uicontrol" id="EN-US_TOPIC_0000002167905968__uicontrol16542059115520">Cancel Read-only</span></b></span>.</span></li><li id="EN-US_TOPIC_0000002167905968__li18953175011567"><span>In the dialog box that is displayed, click <strong id="EN-US_TOPIC_0000002167905968__b85694315569">OK</strong> to confirm and remove the read-only status for the cluster.</span></li></ol>
<p id="EN-US_TOPIC_0000002167905968__p136857671018"></p>
<div class="section" id="EN-US_TOPIC_0000002167905968__section17567184318267"><a name="EN-US_TOPIC_0000002167905968__section17567184318267"></a><a name="section17567184318267"></a><h4 class="sectiontitle">Performing a Primary/Standby Switchback</h4><p id="EN-US_TOPIC_0000002167905968__p5309913114">In the <strong id="EN-US_TOPIC_0000002167905968__b12691181835611">Unbalanced</strong> state, the number of primary instances on some nodes increases. As a result, the load pressure is high. In this case, the cluster is normal, but the overall performance is not as good as that in a balanced state. Restore the primary-standby relationship to recover the cluster to the available state.</p>
<div class="note" id="EN-US_TOPIC_0000002167905968__note1680414910215"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000002167905968__ul177065513184"><li id="EN-US_TOPIC_0000002167905968__li10706165151819">Only and later versions support primary/standby cluster restoration.</li><li id="EN-US_TOPIC_0000002167905968__li1670617512181">Cluster restoration interrupts services for a short period of time. The interruption duration depends on the service volume. You are advised to perform this operation during off-peak hours.</li></ul>
<div class="note" id="EN-US_TOPIC_0000002167905968__note1680414910215"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000002167905968__ul177065513184"><li id="EN-US_TOPIC_0000002167905968__li10706165151819">Only <span id="EN-US_TOPIC_0000002167905968__ph1149018245513">8.1.1.202</span> and later versions support primary/standby cluster restoration.</li><li id="EN-US_TOPIC_0000002167905968__li1670617512181">Cluster restoration interrupts services for a short period of time. The interruption duration depends on the service volume. You are advised to perform this operation during off-peak hours.</li></ul>
</div></div>
</div>
<ol id="EN-US_TOPIC_0000002167905968__ol65599416114244"><li id="EN-US_TOPIC_0000002167905968__li1793484014417"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002167905968__li15071676109"><span>Choose <strong id="EN-US_TOPIC_0000002167905968__b1046218615579">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002167905968__b2462176205713">Clusters<span id="EN-US_TOPIC_0000002167905968__text1846236195719"></span></strong> and locate the cluster whose load is unbalanced.</span></li><li id="EN-US_TOPIC_0000002167905968__li450718711100"><span>In the <strong id="EN-US_TOPIC_0000002167905968__b2085422375714">Cluster Status</strong> column of the cluster, click <strong id="EN-US_TOPIC_0000002167905968__b28551423145710">Fix</strong> under <strong id="EN-US_TOPIC_0000002167905968__b1885542314575">Unbalanced</strong>.</span><p><p id="EN-US_TOPIC_0000002167905968__p22392001565"><span><img id="EN-US_TOPIC_0000002167905968__image20771927123915" src="figure/en-us_image_0000002168066048.png" width="507.7275" height="50.014251" title="Click to enlarge" class="imgResize"></span></p>

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@ -45,9 +45,9 @@
</table>
</div>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000002167905828__table146145019347"></a><a name="table146145019347"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002167905828__table146145019347" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Parameters of the MRS Account mode</caption><thead align="left"><tr id="EN-US_TOPIC_0000002167905828__row1277713109617"><th align="left" class="cellrowborder" valign="top" width="20.57%" id="mcps1.3.4.2.7.2.2.2.3.1.1"><p id="EN-US_TOPIC_0000002167905828__p321165031116"><strong id="EN-US_TOPIC_0000002167905828__b1013070674">Parameter</strong></p>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000002167905828__table146145019347"></a><a name="table146145019347"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002167905828__table146145019347" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Parameters of the MRS Account mode</caption><thead align="left"><tr id="EN-US_TOPIC_0000002167905828__row1277713109617"><th align="left" class="cellrowborder" valign="top" width="20.57%" id="mcps1.3.4.2.7.2.2.2.3.1.1"><p id="EN-US_TOPIC_0000002167905828__p321165031116"><strong id="EN-US_TOPIC_0000002167905828__b1874801394">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="79.43%" id="mcps1.3.4.2.7.2.2.2.3.1.2"><p id="EN-US_TOPIC_0000002167905828__p17217508113"><strong id="EN-US_TOPIC_0000002167905828__b1613497082">Description</strong></p>
<th align="left" class="cellrowborder" valign="top" width="79.43%" id="mcps1.3.4.2.7.2.2.2.3.1.2"><p id="EN-US_TOPIC_0000002167905828__p17217508113"><strong id="EN-US_TOPIC_0000002167905828__b336487704">Description</strong></p>
</th>
</tr>
</thead>
@ -79,9 +79,9 @@
</table>
</div>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000002167905828__table64029343414"></a><a name="table64029343414"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002167905828__table64029343414" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Parameters of the File upload mode</caption><thead align="left"><tr id="EN-US_TOPIC_0000002167905828__row5181341114"><th align="left" class="cellrowborder" valign="top" width="20.57%" id="mcps1.3.4.2.7.2.3.2.3.1.1"><p id="EN-US_TOPIC_0000002167905828__p37448416291"><strong id="EN-US_TOPIC_0000002167905828__b875541197">Parameter</strong></p>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000002167905828__table64029343414"></a><a name="table64029343414"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002167905828__table64029343414" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Parameters of the File upload mode</caption><thead align="left"><tr id="EN-US_TOPIC_0000002167905828__row5181341114"><th align="left" class="cellrowborder" valign="top" width="20.57%" id="mcps1.3.4.2.7.2.3.2.3.1.1"><p id="EN-US_TOPIC_0000002167905828__p37448416291"><strong id="EN-US_TOPIC_0000002167905828__b611381344">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="79.43%" id="mcps1.3.4.2.7.2.3.2.3.1.2"><p id="EN-US_TOPIC_0000002167905828__p374410472918"><strong id="EN-US_TOPIC_0000002167905828__b2038133452">Description</strong></p>
<th align="left" class="cellrowborder" valign="top" width="79.43%" id="mcps1.3.4.2.7.2.3.2.3.1.2"><p id="EN-US_TOPIC_0000002167905828__p374410472918"><strong id="EN-US_TOPIC_0000002167905828__b1691799735">Description</strong></p>
</th>
</tr>
</thead>

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@ -8,7 +8,14 @@
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000002168065696__row124617125509"><td class="cellrowborder" valign="top" width="20.69%" headers="mcps1.3.1.1.3.1.1 "><p id="EN-US_TOPIC_0000002168065696__p546212124507">2025-04-03</p>
<tbody><tr id="EN-US_TOPIC_0000002168065696__row12727115344810"><td class="cellrowborder" valign="top" width="20.69%" headers="mcps1.3.1.1.3.1.1 "><p id="EN-US_TOPIC_0000002168065696__p1772719532485">2025-07-01</p>
</td>
<td class="cellrowborder" valign="top" width="79.31%" headers="mcps1.3.1.1.3.1.2 "><p id="EN-US_TOPIC_0000002168065696__p1872713539488">This issue is the twentieth official release for cluster version 9.1.0.211.</p>
<p id="EN-US_TOPIC_0000002168065696__p13497174218508">Modified the following content:</p>
<ul id="EN-US_TOPIC_0000002168065696__ul16812162010507"><li id="EN-US_TOPIC_0000002168065696__li2812720175015">Flavors for storage-compute coupled clusters are available. For details, see <a href="dws_01_00079.html">Data Warehouse Flavors</a>.</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002168065696__row124617125509"><td class="cellrowborder" valign="top" width="20.69%" headers="mcps1.3.1.1.3.1.1 "><p id="EN-US_TOPIC_0000002168065696__p546212124507">2025-04-03</p>
</td>
<td class="cellrowborder" valign="top" width="79.31%" headers="mcps1.3.1.1.3.1.2 "><p id="EN-US_TOPIC_0000002168065696__p194621812135019">This issue is the nineteenth official release for cluster version 9.1.0.211.</p>
<p id="EN-US_TOPIC_0000002168065696__p16294636195015">Added the following functions:</p>

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@ -358,15 +358,15 @@ public PreparedStatement prepareStatement(String sql, int resultSetType, int res
</p></li><li id="EN-US_TOPIC_0000002168065620__li10986234113612"><span>Add the JDBC, HikariCP, and SLF4J driver packages to the project and configure parameters related to the database connection pool.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002168065620__table7992639124516" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Hikari CP connection pool parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000002168065620__row799293920451"><th align="left" class="cellrowborder" valign="top" width="17.85178517851785%" id="mcps1.3.3.2.2.2.1.2.4.1.1"><p id="EN-US_TOPIC_0000002168065620__p99921239124519"><strong id="EN-US_TOPIC_0000002168065620__b26726501911212">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="26.842684268426847%" id="mcps1.3.3.2.2.2.1.2.4.1.2"><p id="EN-US_TOPIC_0000002168065620__p139924391452"><strong id="EN-US_TOPIC_0000002168065620__b1507172234">Default Value</strong></p>
<th align="left" class="cellrowborder" valign="top" width="26.842684268426847%" id="mcps1.3.3.2.2.2.1.2.4.1.2"><p id="EN-US_TOPIC_0000002168065620__p139924391452"><strong id="EN-US_TOPIC_0000002168065620__b1885995338">Default Value</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="55.305530553055306%" id="mcps1.3.3.2.2.2.1.2.4.1.3"><p id="EN-US_TOPIC_0000002168065620__p2992143912456"><strong id="EN-US_TOPIC_0000002168065620__b768494655">Description</strong></p>
<th align="left" class="cellrowborder" valign="top" width="55.305530553055306%" id="mcps1.3.3.2.2.2.1.2.4.1.3"><p id="EN-US_TOPIC_0000002168065620__p2992143912456"><strong id="EN-US_TOPIC_0000002168065620__b1631500425">Description</strong></p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000002168065620__row119929395450"><td class="cellrowborder" valign="top" width="17.85178517851785%" headers="mcps1.3.3.2.2.2.1.2.4.1.1 "><p id="EN-US_TOPIC_0000002168065620__p1992339174510">driverClassName</p>
</td>
<td class="cellrowborder" valign="top" width="26.842684268426847%" headers="mcps1.3.3.2.2.2.1.2.4.1.2 "><p id="EN-US_TOPIC_0000002168065620__p89921439174516">Enter the value of <strong id="EN-US_TOPIC_0000002168065620__b147750609">org.postgresql.Driver</strong>.</p>
<td class="cellrowborder" valign="top" width="26.842684268426847%" headers="mcps1.3.3.2.2.2.1.2.4.1.2 "><p id="EN-US_TOPIC_0000002168065620__p89921439174516">Enter the value of <strong id="EN-US_TOPIC_0000002168065620__b1633765152">org.postgresql.Driver</strong>.</p>
</td>
<td class="cellrowborder" valign="top" width="55.305530553055306%" headers="mcps1.3.3.2.2.2.1.2.4.1.3 "><p id="EN-US_TOPIC_0000002168065620__p1331052616579">Name of the database driver.</p>
</td>
@ -574,9 +574,9 @@ public PreparedStatement prepareStatement(String sql, int resultSetType, int res
</p></li><li id="EN-US_TOPIC_0000002168065620__li22399552184847"><span>Add the JDBC and Druid driver packages to the project and configure parameters related to the database connection pool.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002168065620__table14133134725215" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Druid connection pool parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000002168065620__row713324715216"><th align="left" class="cellrowborder" valign="top" width="19.981998199819984%" id="mcps1.3.4.2.2.2.1.2.4.1.1"><p id="EN-US_TOPIC_0000002168065620__p61341147115220"><strong id="EN-US_TOPIC_0000002168065620__b6463209111212">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="26.99269926992699%" id="mcps1.3.4.2.2.2.1.2.4.1.2"><p id="EN-US_TOPIC_0000002168065620__p313414725214"><strong id="EN-US_TOPIC_0000002168065620__b1719041482">Default Value</strong></p>
<th align="left" class="cellrowborder" valign="top" width="26.99269926992699%" id="mcps1.3.4.2.2.2.1.2.4.1.2"><p id="EN-US_TOPIC_0000002168065620__p313414725214"><strong id="EN-US_TOPIC_0000002168065620__b714636929">Default Value</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="53.02530253025303%" id="mcps1.3.4.2.2.2.1.2.4.1.3"><p id="EN-US_TOPIC_0000002168065620__p91346473523"><strong id="EN-US_TOPIC_0000002168065620__b840547375">Description</strong></p>
<th align="left" class="cellrowborder" valign="top" width="53.02530253025303%" id="mcps1.3.4.2.2.2.1.2.4.1.3"><p id="EN-US_TOPIC_0000002168065620__p91346473523"><strong id="EN-US_TOPIC_0000002168065620__b1740481504">Description</strong></p>
</th>
</tr>
</thead>
@ -603,7 +603,7 @@ public PreparedStatement prepareStatement(String sql, int resultSetType, int res
</tr>
<tr id="EN-US_TOPIC_0000002168065620__row1613412474521"><td class="cellrowborder" valign="top" width="19.981998199819984%" headers="mcps1.3.4.2.2.2.1.2.4.1.1 "><p id="EN-US_TOPIC_0000002168065620__p101341747165216">driverClassName</p>
</td>
<td class="cellrowborder" valign="top" width="26.99269926992699%" headers="mcps1.3.4.2.2.2.1.2.4.1.2 "><p id="EN-US_TOPIC_0000002168065620__p171346471525">Enter the value of <strong id="EN-US_TOPIC_0000002168065620__b708075848">org.postgresql.Driver</strong>.</p>
<td class="cellrowborder" valign="top" width="26.99269926992699%" headers="mcps1.3.4.2.2.2.1.2.4.1.2 "><p id="EN-US_TOPIC_0000002168065620__p171346471525">Enter the value of <strong id="EN-US_TOPIC_0000002168065620__b1260230475">org.postgresql.Driver</strong>.</p>
</td>
<td class="cellrowborder" valign="top" width="53.02530253025303%" headers="mcps1.3.4.2.2.2.1.2.4.1.3 "><p id="EN-US_TOPIC_0000002168065620__p91341747105219">Name of the database driver.</p>
</td>

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@ -1,7 +1,7 @@
<a name="EN-US_TOPIC_0000002168065724"></a><a name="EN-US_TOPIC_0000002168065724"></a>
<h1 class="topictitle1">Configuring an Automated Snapshot Policy</h1>
<div id="body8662426"><p id="EN-US_TOPIC_0000002168065724__p201044012110">You can choose the type of snapshot you need and configure either one or three automated snapshot policies at the cluster level, as well as one or twenty snapshot policies at the schema level for a cluster.</p>
<div id="body8662426"><p id="EN-US_TOPIC_0000002168065724__p201044012110">You can choose the type of snapshot you need and configure either one or three automated snapshot policies at the cluster level, as well as one or 20 snapshot policies at the schema level for a cluster.</p>
<p id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_p4770133014142">After an automated snapshot policy is enabled, the system automatically creates snapshots based on the time, period, and snapshot type you configured.</p>
<div class="section" id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_section143452464487"><h4 class="sectiontitle">Procedure</h4><ol id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_ol62338336514"><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li6029015714233"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li33798861115225"><span>Choose <strong id="EN-US_TOPIC_0000002168065724__b209961625423">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002168065724__b139961921428">Clusters</strong> in the navigation pane.</span></li><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li1745313619417"><span>In the cluster list, click the name of the target cluster. The <span class="parmname" id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_parmname9161638104810"><b>Cluster Information</b></span> page is displayed.</span></li><li id="EN-US_TOPIC_0000002168065724__li976482031213"><span>Click <strong id="EN-US_TOPIC_0000002168065724__b15874713439">Snapshots</strong> and click <strong id="EN-US_TOPIC_0000002168065724__b1287451320317">Policy List</strong>. All policies of the current cluster are displayed on the <strong id="EN-US_TOPIC_0000002168065724__b1790416175317">Policy List</strong> page. Toggle on <strong id="EN-US_TOPIC_0000002168065724__b119046171935">Snapshot Policy</strong>.</span></li><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li1372215411474"><span>(Optional) Click <strong id="EN-US_TOPIC_0000002168065724__b12689920230">Automated Snapshot</strong> to enable the snapshot policy.</span><p><ul id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_ul8830471489"><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li1583014784815"><span><img id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_image17613107193817" src="figure/en-us_image_0000002168066248.png"></span> indicates that the policy is enabled (default). The default retention period is seven days.</li><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li193511412184816"><span><img id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_image89841220181415" src="figure/en-us_image_0000002203427229.png"></span> indicates that the policy is disabled. Once disabled, snapshots will not be automatically created.</li></ul>
</p></li><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li5328104112532"><span>Set the retention mode and the backup device used by the current cluster for automated snapshots. For more information, see <a href="#EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_table11860173413712">Table 1</a>.</span><p>
@ -31,10 +31,10 @@
</tbody>
</table>
</div>
</p></li><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li0189337154518"><span>After automated snapshot is enabled, you can configure its parameters. For more information, see <a href="#EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_table1355651818416">Table 2</a>.</span><p><ul id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_ul181794537327"><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li6731655121810">If you choose a cluster-level or schema-level full snapshot, you can either create a one-time snapshot or set up periodic snapshots. For schema-level full snapshots, you need to select the database associated with the schema. You can back up one or up to 20 schemas at a time.<ul id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_ul14147438614"><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li16334111119119">To schedule periodic full snapshots, you can specify a day of the week or a specific date, and choose a specific time for the snapshot to be triggered.<div class="warning" id="EN-US_TOPIC_0000002168065724__note514115432010"><span class="warningtitle"><img src="public_sys-resources/warning_3.0-en-us.png"> </span><div class="warningbody"><ul id="EN-US_TOPIC_0000002168065724__ul16659105884114"><li id="EN-US_TOPIC_0000002168065724__li565915844117">Exercise caution when selecting the 29th, 30th, or 31st as end dates for a month, as this may result in missing data. The specific policy and execution are subject to the actual month and date.</li><li id="EN-US_TOPIC_0000002168065724__li16592585415">The snapshot policy time is the local time.</li></ul>
</p></li><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li0189337154518"><span>After automated snapshot is enabled, you can configure its parameters. For more information, see <a href="#EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_table1355651818416">Table 2</a>.</span><p><ul id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_ul181794537327"><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li6731655121810">If you choose a cluster-level or schema-level full snapshot, you can either create a one-time snapshot or set up periodic snapshots. For schema-level full snapshots, you need to select the database associated with the schema. You can back up one or up to 20 schemas at a time.<ul id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_ul14147438614"><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li16334111119119">Set a cluster-level or schema-level full periodic snapshot policy. You can specify a week or date and select a triggering time point.<div class="warning" id="EN-US_TOPIC_0000002168065724__note514115432010"><span class="warningtitle"><img src="public_sys-resources/warning_3.0-en-us.png"> </span><div class="warningbody"><ul id="EN-US_TOPIC_0000002168065724__ul16659105884114"><li id="EN-US_TOPIC_0000002168065724__li565915844117">Exercise caution when selecting the 29th, 30th, or 31st as end dates for a month, as this may result in missing data. The specific policy and execution are subject to the actual month and date.</li><li id="EN-US_TOPIC_0000002168065724__li16592585415">The snapshot policy time is the local time.</li></ul>
</div></div>
</li><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li1679793253513">Set a cluster-level or schema-level one-time full snapshot policy. Specify the desired date and time for the snapshot to be triggered.</li></ul>
</li><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li053015318231">Incremental cluster-level or schema-level snapshots can be set only to <strong id="EN-US_TOPIC_0000002168065724__b144814121832">Periodic</strong>.<p id="EN-US_TOPIC_0000002168065724__p736853411326">You can configure an incremental periodic snapshot policy at the cluster or schema level. Specify a target week or date, along with the trigger time, start time, and interval for the snapshot.</p>
</li><li id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_li053015318231">Incremental cluster-level or schema-level snapshots can be set only to <strong id="EN-US_TOPIC_0000002168065724__b68912494337">Periodic</strong>.<p id="EN-US_TOPIC_0000002168065724__p736853411326">You can configure an incremental periodic snapshot policy at the cluster or schema level. Specify a target week or date, along with the trigger time, start time, and interval for the snapshot.</p>
</li></ul>
<div class="tablenoborder"><a name="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_table1355651818416"></a><a name="en-us_topic_0000001360169333_en-us_topic_0000001231278872_table1355651818416"></a><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_table1355651818416" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Snapshot policy parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_row555312181040"><th align="left" class="cellrowborder" valign="top" width="22.15%" id="mcps1.3.3.2.7.2.2.2.3.1.1"><p id="EN-US_TOPIC_0000002168065724__en-us_topic_0000001360169333_en-us_topic_0000001231278872_p1055313187410">Parameter</p>

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@ -14,7 +14,7 @@
</p></li><li id="EN-US_TOPIC_0000002203426681__lcdf09427867149c4b325417afc33bb32"><span>Decompress the downloaded client software package (32-bit or 64-bit) to the installation directory.</span></li><li id="EN-US_TOPIC_0000002203426681__l6a0449c9de4f4fce8b94fe65b1c8ed5e"><span>Open the installation directory and double-click <strong id="EN-US_TOPIC_0000002203426681__b1030213568619">Data Studio.exe</strong> to start the Data Studio client. See <a href="#EN-US_TOPIC_0000002203426681__febe974d888e24ddd8948572b362f7ef2">Figure 1</a>.</span><p><div class="fignone" id="EN-US_TOPIC_0000002203426681__febe974d888e24ddd8948572b362f7ef2"><a name="EN-US_TOPIC_0000002203426681__febe974d888e24ddd8948572b362f7ef2"></a><a name="febe974d888e24ddd8948572b362f7ef2"></a><span class="figcap"><b>Figure 1 </b>Starting the client</span><br><span><img id="EN-US_TOPIC_0000002203426681__i56ff2a12f9f849dca2fcd6771e7629a3" src="figure/en-us_image_0000002203312589.png" width="194.51250000000002" height="270.060224" title="Click to enlarge" class="imgResize"></span></div>
<div class="note" id="EN-US_TOPIC_0000002203426681__note1317733710483"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000002203426681__p1717773764817">If your computer blocks the running of the application, you can unlock the <strong id="EN-US_TOPIC_0000002203426681__b8849628473">Data Studio.exe</strong> file to start the application.</p>
</div></div>
</p></li><li id="EN-US_TOPIC_0000002203426681__lf09135db35954e8b8a3167b9045c73ec"><span>Choose <span class="uicontrol" id="EN-US_TOPIC_0000002203426681__uicontrol101319582329"><b>File</b></span> &gt; <span class="uicontrol" id="EN-US_TOPIC_0000002203426681__uicontrol111318584327"><b>New Connection</b></span> from the main menu. See <a href="#EN-US_TOPIC_0000002203426681__f5e30eb5f20c9434e971d8b2786b02dbf">Figure 2</a>.</span><p><div class="fignone" id="EN-US_TOPIC_0000002203426681__f5e30eb5f20c9434e971d8b2786b02dbf"><a name="EN-US_TOPIC_0000002203426681__f5e30eb5f20c9434e971d8b2786b02dbf"></a><a name="f5e30eb5f20c9434e971d8b2786b02dbf"></a><span class="figcap"><b>Figure 2 </b>New connection</span><br><span><img id="EN-US_TOPIC_0000002203426681__i2bc625a9683d40caad9051cdf5c42d8f" src="figure/en-us_image_0000002203427037.png" width="NaN" height="NaN"></span></div>
</p></li><li id="EN-US_TOPIC_0000002203426681__lf09135db35954e8b8a3167b9045c73ec"><span>Choose <span class="uicontrol" id="EN-US_TOPIC_0000002203426681__uicontrol101319582329"><b>File</b></span> &gt; <span class="uicontrol" id="EN-US_TOPIC_0000002203426681__uicontrol111318584327"><b>New Connection</b></span> from the main menu. See <a href="#EN-US_TOPIC_0000002203426681__f5e30eb5f20c9434e971d8b2786b02dbf">Figure 2</a>.</span><p><div class="fignone" id="EN-US_TOPIC_0000002203426681__f5e30eb5f20c9434e971d8b2786b02dbf"><a name="EN-US_TOPIC_0000002203426681__f5e30eb5f20c9434e971d8b2786b02dbf"></a><a name="f5e30eb5f20c9434e971d8b2786b02dbf"></a><span class="figcap"><b>Figure 2 </b>New connection</span><br><span><img id="EN-US_TOPIC_0000002203426681__i2bc625a9683d40caad9051cdf5c42d8f" src="figure/en-us_image_0000002203427037.png"></span></div>
</p></li><li id="EN-US_TOPIC_0000002203426681__en-us_topic_0107187019_li9560830912"><span>In the displayed <span class="uicontrol" id="EN-US_TOPIC_0000002203426681__uicontrol10389142615714"><b>New Database Connection</b></span> window, enter the connection parameters.</span><p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426681__t1af0ca815f7842d5a21fda355dc65bd1" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Connection parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426681__r998b3685340648cdafff9b1fe232c000"><th align="left" class="cellrowborder" valign="top" width="19.01190119011901%" id="mcps1.3.4.2.8.2.1.2.4.1.1"><p id="EN-US_TOPIC_0000002203426681__en-us_topic_0107187019_p167171710393">Field</p>
</th>

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@ -333,14 +333,14 @@
</tbody>
</table>
</div>
</li><li id="EN-US_TOPIC_0000002203426689__li18983715203718">The following table lists the events whose <strong id="EN-US_TOPIC_0000002203426689__b1339720012">Event Source Category</strong> is <strong id="EN-US_TOPIC_0000002203426689__b1621044716">Snapshot</strong>.
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426689__table1846652771120" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Events whose <strong id="EN-US_TOPIC_0000002203426689__b1695217798">Event Source Category</strong> is <strong id="EN-US_TOPIC_0000002203426689__b1471826665">Snapshot</strong></caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426689__row84661827181119"><th align="left" class="cellrowborder" valign="top" width="11.514851485148515%" id="mcps1.3.2.3.2.3.2.5.1.1"><p id="EN-US_TOPIC_0000002203426689__p1846717276111"><strong id="EN-US_TOPIC_0000002203426689__b618008394">Event Type</strong></p>
</li><li id="EN-US_TOPIC_0000002203426689__li18983715203718">The following table lists the events whose <strong id="EN-US_TOPIC_0000002203426689__b289622205">Event Source Category</strong> is <strong id="EN-US_TOPIC_0000002203426689__b1001216587">Snapshot</strong>.
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426689__table1846652771120" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Events whose <strong id="EN-US_TOPIC_0000002203426689__b1707158067">Event Source Category</strong> is <strong id="EN-US_TOPIC_0000002203426689__b1782525680">Snapshot</strong></caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426689__row84661827181119"><th align="left" class="cellrowborder" valign="top" width="11.514851485148515%" id="mcps1.3.2.3.2.3.2.5.1.1"><p id="EN-US_TOPIC_0000002203426689__p1846717276111"><strong id="EN-US_TOPIC_0000002203426689__b1083268891">Event Type</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="37.92079207920792%" id="mcps1.3.2.3.2.3.2.5.1.2"><p id="EN-US_TOPIC_0000002203426689__p10467427201117"><strong id="EN-US_TOPIC_0000002203426689__b1542939677">Event Name</strong></p>
<th align="left" class="cellrowborder" valign="top" width="37.92079207920792%" id="mcps1.3.2.3.2.3.2.5.1.2"><p id="EN-US_TOPIC_0000002203426689__p10467427201117"><strong id="EN-US_TOPIC_0000002203426689__b197133131">Event Name</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="11%" id="mcps1.3.2.3.2.3.2.5.1.3"><p id="EN-US_TOPIC_0000002203426689__p746762791119"><strong id="EN-US_TOPIC_0000002203426689__b1609054449">Event Severity</strong></p>
<th align="left" class="cellrowborder" valign="top" width="11%" id="mcps1.3.2.3.2.3.2.5.1.3"><p id="EN-US_TOPIC_0000002203426689__p746762791119"><strong id="EN-US_TOPIC_0000002203426689__b1807463249">Event Severity</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="39.56435643564357%" id="mcps1.3.2.3.2.3.2.5.1.4"><p id="EN-US_TOPIC_0000002203426689__p1446742718119"><strong id="EN-US_TOPIC_0000002203426689__b278547579">Event</strong></p>
<th align="left" class="cellrowborder" valign="top" width="39.56435643564357%" id="mcps1.3.2.3.2.3.2.5.1.4"><p id="EN-US_TOPIC_0000002203426689__p1446742718119"><strong id="EN-US_TOPIC_0000002203426689__b1254096021">Event</strong></p>
</th>
</tr>
</thead>
@ -395,11 +395,11 @@
</li><li id="EN-US_TOPIC_0000002203426689__li1364834619124">The following table lists the events whose <strong id="EN-US_TOPIC_0000002203426689__b1342561745515">Event Source Category</strong> is <strong id="EN-US_TOPIC_0000002203426689__b64251117115510">DR</strong>.
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426689__table12250141517128" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Events whose <strong id="EN-US_TOPIC_0000002203426689__b1032522716551">Event Source Category</strong> is <strong id="EN-US_TOPIC_0000002203426689__b1732512273558">DR</strong>.</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426689__row1252141510121"><th align="left" class="cellrowborder" valign="top" width="11.59%" id="mcps1.3.2.3.3.3.2.5.1.1"><p id="EN-US_TOPIC_0000002203426689__p14253171518120">Event Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="38.41%" id="mcps1.3.2.3.3.3.2.5.1.2"><p id="EN-US_TOPIC_0000002203426689__p1225317157122"><strong id="EN-US_TOPIC_0000002203426689__b123569561">Event Name</strong></p>
<th align="left" class="cellrowborder" valign="top" width="38.41%" id="mcps1.3.2.3.3.3.2.5.1.2"><p id="EN-US_TOPIC_0000002203426689__p1225317157122"><strong id="EN-US_TOPIC_0000002203426689__b684799667">Event Name</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.3.3.3.2.5.1.3"><p id="EN-US_TOPIC_0000002203426689__p62531515141217"><strong id="EN-US_TOPIC_0000002203426689__b1845083507">Event Severity</strong></p>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.3.3.3.2.5.1.3"><p id="EN-US_TOPIC_0000002203426689__p62531515141217"><strong id="EN-US_TOPIC_0000002203426689__b1245578288">Event Severity</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.3.3.3.2.5.1.4"><p id="EN-US_TOPIC_0000002203426689__p1425341531220"><strong id="EN-US_TOPIC_0000002203426689__b742870029">Event</strong></p>
<th align="left" class="cellrowborder" valign="top" width="25%" id="mcps1.3.2.3.3.3.2.5.1.4"><p id="EN-US_TOPIC_0000002203426689__p1425341531220"><strong id="EN-US_TOPIC_0000002203426689__b1865189591">Event</strong></p>
</th>
</tr>
</thead>
@ -623,13 +623,13 @@
</table>
</div>
</li><li id="EN-US_TOPIC_0000002203426689__li14625100183814">The following table lists the events whose event source type is data migration.
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426689__table862520015387" frame="border" border="1" rules="all"><caption><b>Table 4 </b>Events whose event source type is data migration</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426689__row1625100133819"><th align="left" class="cellrowborder" valign="top" width="11.514851485148515%" id="mcps1.3.2.3.4.1.2.5.1.1"><p id="EN-US_TOPIC_0000002203426689__p1462517014383"><strong id="EN-US_TOPIC_0000002203426689__b18241404">Event Type</strong></p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426689__table862520015387" frame="border" border="1" rules="all"><caption><b>Table 4 </b>Events whose event source type is data migration</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426689__row1625100133819"><th align="left" class="cellrowborder" valign="top" width="11.514851485148515%" id="mcps1.3.2.3.4.1.2.5.1.1"><p id="EN-US_TOPIC_0000002203426689__p1462517014383"><strong id="EN-US_TOPIC_0000002203426689__b1381897198">Event Type</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="37.92079207920792%" id="mcps1.3.2.3.4.1.2.5.1.2"><p id="EN-US_TOPIC_0000002203426689__p1462513033812"><strong id="EN-US_TOPIC_0000002203426689__b46283185">Event Name</strong></p>
<th align="left" class="cellrowborder" valign="top" width="37.92079207920792%" id="mcps1.3.2.3.4.1.2.5.1.2"><p id="EN-US_TOPIC_0000002203426689__p1462513033812"><strong id="EN-US_TOPIC_0000002203426689__b1029390161">Event Name</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="11%" id="mcps1.3.2.3.4.1.2.5.1.3"><p id="EN-US_TOPIC_0000002203426689__p186261609387"><strong id="EN-US_TOPIC_0000002203426689__b734097880">Event Severity</strong></p>
<th align="left" class="cellrowborder" valign="top" width="11%" id="mcps1.3.2.3.4.1.2.5.1.3"><p id="EN-US_TOPIC_0000002203426689__p186261609387"><strong id="EN-US_TOPIC_0000002203426689__b190859563">Event Severity</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="39.56435643564357%" id="mcps1.3.2.3.4.1.2.5.1.4"><p id="EN-US_TOPIC_0000002203426689__p116262011382"><strong id="EN-US_TOPIC_0000002203426689__b1281161580">Event</strong></p>
<th align="left" class="cellrowborder" valign="top" width="39.56435643564357%" id="mcps1.3.2.3.4.1.2.5.1.4"><p id="EN-US_TOPIC_0000002203426689__p116262011382"><strong id="EN-US_TOPIC_0000002203426689__b155473861">Event</strong></p>
</th>
</tr>
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<tr id="EN-US_TOPIC_0000002167905956__row2705027151112"><td class="cellrowborder" valign="top" width="15.7%" headers="mcps1.3.2.2.4.2.2.2.3.1.1 "><p id="EN-US_TOPIC_0000002167905956__p1370592781112">Event Source Category</p>
</td>
<td class="cellrowborder" valign="top" width="84.3%" headers="mcps1.3.2.2.4.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000002167905956__p170572771110">Select the event source category: cluster, snapshot,.</p>
<td class="cellrowborder" valign="top" width="84.3%" headers="mcps1.3.2.2.4.2.2.2.3.1.2 "><p id="EN-US_TOPIC_0000002167905956__p170572771110">Select the event source category: cluster or snapshot.</p>
</td>
</tr>
</tbody>

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</div>
<div class="section" id="EN-US_TOPIC_0000002203312213__section52819319499"><h4 class="sectiontitle">Modifying a Tag</h4><ol id="EN-US_TOPIC_0000002203312213__ol1518102217617"><li id="EN-US_TOPIC_0000002203312213__li58132038184319"><span>Choose <strong id="EN-US_TOPIC_0000002203312213__b516314419277">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203312213__b10163114192712">Clusters<span id="EN-US_TOPIC_0000002203312213__text027115411818"></span></strong>, click the name of the cluster to which a tag is to be added, and click <span class="uicontrol" id="EN-US_TOPIC_0000002203312213__uicontrol6971274116"><b>Tag</b></span>.</span></li><li id="EN-US_TOPIC_0000002203312213__li1971122519617"><span>Locate the row that contains the tag to be modified, and click <strong id="EN-US_TOPIC_0000002203312213__b842352706194412">Edit</strong> in the <strong id="EN-US_TOPIC_0000002203312213__b842352706194420">Operation</strong> column. The <strong id="EN-US_TOPIC_0000002203312213__b842352706194428">Edit Tag</strong> dialog box is displayed.</span></li><li id="EN-US_TOPIC_0000002203312213__li53417342617"><span>Enter the new key value in the <span class="parmname" id="EN-US_TOPIC_0000002203312213__parmname1742199993194532"><b>Value</b></span> text box.</span></li><li id="EN-US_TOPIC_0000002203312213__li583410326519"><span>Click <strong id="EN-US_TOPIC_0000002203312213__b84235270611586">OK</strong>.</span></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000002203312213__section882014118493"><h4 class="sectiontitle">Deleting a Tag</h4><ol id="EN-US_TOPIC_0000002203312213__ol194611475215"><li id="EN-US_TOPIC_0000002203312213__li124631941528"><span>Choose <strong id="EN-US_TOPIC_0000002203312213__b11508185512717">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203312213__b45081355172719">Clusters<span id="EN-US_TOPIC_0000002203312213__text10934101914"></span></strong>, click the name of the cluster from which a tag is to be deleted, and click <span class="uicontrol" id="EN-US_TOPIC_0000002203312213__uicontrol27071417154111"><b>Tag</b></span>.</span></li><li id="EN-US_TOPIC_0000002203312213__li1546610410526"><span>Locate the row that contains the tag to be deleted, click <strong id="EN-US_TOPIC_0000002203312213__b1356625015">Delete</strong> in the <strong id="EN-US_TOPIC_0000002203312213__b73859352">Operation</strong> column. The <strong id="EN-US_TOPIC_0000002203312213__b1274776977">Delete Tag</strong> dialog box is displayed.</span></li><li id="EN-US_TOPIC_0000002203312213__li6458185815493"><span>After confirming that the information is correct, enter <strong id="EN-US_TOPIC_0000002203312213__b2010432134111">DELETE</strong> or click <strong id="EN-US_TOPIC_0000002203312213__b19105321164113">Auto Enter</strong> and click <span class="uicontrol" id="EN-US_TOPIC_0000002203312213__uicontrol610519212411"><b>OK</b></span> to delete the tag.</span></li></ol>
<div class="section" id="EN-US_TOPIC_0000002203312213__section882014118493"><h4 class="sectiontitle">Deleting a Tag</h4><ol id="EN-US_TOPIC_0000002203312213__ol194611475215"><li id="EN-US_TOPIC_0000002203312213__li124631941528"><span>Choose <strong id="EN-US_TOPIC_0000002203312213__b11508185512717">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203312213__b45081355172719">Clusters<span id="EN-US_TOPIC_0000002203312213__text10934101914"></span></strong>, click the name of the cluster from which a tag is to be deleted, and click <span class="uicontrol" id="EN-US_TOPIC_0000002203312213__uicontrol27071417154111"><b>Tag</b></span>.</span></li><li id="EN-US_TOPIC_0000002203312213__li1546610410526"><span>Locate the row that contains the tag to be deleted, click <strong id="EN-US_TOPIC_0000002203312213__b142591096">Delete</strong> in the <strong id="EN-US_TOPIC_0000002203312213__b204367231">Operation</strong> column. The <strong id="EN-US_TOPIC_0000002203312213__b1929357662">Delete Tag</strong> dialog box is displayed.</span></li><li id="EN-US_TOPIC_0000002203312213__li6458185815493"><span>After confirming that the information is correct, enter <strong id="EN-US_TOPIC_0000002203312213__b2010432134111">DELETE</strong> or click <strong id="EN-US_TOPIC_0000002203312213__b19105321164113">Auto Enter</strong> and click <span class="uicontrol" id="EN-US_TOPIC_0000002203312213__uicontrol610519212411"><b>OK</b></span> to delete the tag.</span></li></ol>
</div>
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<td class="cellrowborder" valign="top" width="82.31%" headers="mcps1.3.6.2.3.1.2 "><p id="EN-US_TOPIC_0000002168065652__p31281545125016">VPC selected during cluster creation.</p>
<p id="EN-US_TOPIC_0000002168065652__p31289458502">A VPC is a secure, isolated, and logical network environment.</p>
<p id="EN-US_TOPIC_0000002168065652__p116541449163214">After a data warehouse cluster is created, its VPC cannot be changed. However, you can edit and modify the current VPC. You can click the VPC name to go to the VPC details page to configure it. For details about VPC operations, see "VPC and Subnet" in the <em id="EN-US_TOPIC_0000002168065652__i1042711151201">Virtual Private Cloud User Guide</em>.</p>
<p id="EN-US_TOPIC_0000002168065652__p116541449163214">After a data warehouse cluster is created, its VPC cannot be changed. However, you can edit and modify the current VPC. You can click the VPC name to go to the VPC details page to configure it. For details about VPC operations, see "VPC and Subnet" in the <em id="EN-US_TOPIC_0000002168065652__i5297135211371">Virtual Private Cloud User Guide</em>.</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002168065652__row107081519912"><td class="cellrowborder" valign="top" width="17.69%" headers="mcps1.3.6.2.3.1.1 "><p id="EN-US_TOPIC_0000002168065652__p49691011174914">Subnet</p>
@ -169,7 +169,7 @@
</td>
<td class="cellrowborder" valign="top" width="82.31%" headers="mcps1.3.6.2.3.1.2 "><p id="EN-US_TOPIC_0000002168065652__p613784555013">Security group selected during cluster creation.</p>
<p id="EN-US_TOPIC_0000002168065652__af713d69ac926407aba50f1b20419e527">After a GaussDB(DWS) cluster is created, you can change the security group. You can also add, delete, or modify security group rules in the current security group. Changing the security group of a cluster may cause brief service disruption. Exercise caution when performing this operation. For better network performance, do not select more than five security groups.</p>
<ul id="EN-US_TOPIC_0000002168065652__ul4336657194415"><li id="EN-US_TOPIC_0000002168065652__li33361577442">To change the security group, click <strong id="EN-US_TOPIC_0000002168065652__b437992617116">Modify</strong> on the right of the security group name, select the security group name to be changed, and click <strong id="EN-US_TOPIC_0000002168065652__b193791526714">OK</strong>.</li><li id="EN-US_TOPIC_0000002168065652__li123361557164414">Modifying an existing security group rule: Click the security group name to go to the security group details page. For details about security group operations, see "Security" &gt; "Security Group" in the <em id="EN-US_TOPIC_0000002168065652__i19579636132019">Virtual Private Cloud User Guide</em>.</li></ul>
<ul id="EN-US_TOPIC_0000002168065652__ul4336657194415"><li id="EN-US_TOPIC_0000002168065652__li33361577442">To change the security group, click <strong id="EN-US_TOPIC_0000002168065652__b437992617116">Modify</strong> on the right of the security group name, select the security group name to be changed, and click <strong id="EN-US_TOPIC_0000002168065652__b193791526714">OK</strong>.</li><li id="EN-US_TOPIC_0000002168065652__li123361557164414">Modifying an existing security group rule: Click the security group name to go to the security group details page. For details about security group operations, see "Security" &gt; "Security Group" in the <em id="EN-US_TOPIC_0000002168065652__i11938205763710">Virtual Private Cloud User Guide</em>.</li></ul>
</td>
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<div class="section" id="EN-US_TOPIC_0000002167905856__section220113419330"><a name="EN-US_TOPIC_0000002167905856__section220113419330"></a><a name="section220113419330"></a><h4 class="sectiontitle">Modifying a Public Network Domain Name</h4><p id="EN-US_TOPIC_0000002167905856__p11196112922919">If you bind an EIP during cluster creation, the public network domain name is automatically generated. After a cluster is created, you can modify the public network domain name as required.</p>
<p id="EN-US_TOPIC_0000002167905856__p12328101019255">To modify the public network domain name, perform the following steps:</p>
<ol id="EN-US_TOPIC_0000002167905856__ol83281510142514"><li id="EN-US_TOPIC_0000002167905856__li17328131014251"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002167905856__li203291710122516"><span>Choose <strong id="EN-US_TOPIC_0000002167905856__b9582164211918">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002167905856__b1583742101913">Clusters<span id="EN-US_TOPIC_0000002167905856__text158310428194"></span></strong> in the navigation pane.</span></li><li id="EN-US_TOPIC_0000002167905856__li193292107256"><span>In the cluster list, find the target cluster and click the cluster name. The <span class="wintitle" id="EN-US_TOPIC_0000002167905856__wintitle52391844112816"><b>Cluster Information</b></span> page is displayed.</span></li><li id="EN-US_TOPIC_0000002167905856__li1532951016257"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000002167905856__uicontrol931765542216"><b>Modify</b></span> next to the <span class="parmname" id="EN-US_TOPIC_0000002167905856__parmname46213147267"><b>Public Network Domain Name</b></span> in the <span class="parmname" id="EN-US_TOPIC_0000002167905856__parmname1031785517229"><b>Connection</b></span> area.</span></li><li id="EN-US_TOPIC_0000002167905856__li11484165252613"><span>In the <span class="wintitle" id="EN-US_TOPIC_0000002167905856__wintitle479349176"><b>Modify Public Network Domain Name</b></span> dialog box, enter the target domain name and click <span class="uicontrol" id="EN-US_TOPIC_0000002167905856__uicontrol1852047837"><b>OK</b></span>.</span></li></ol>
<ol id="EN-US_TOPIC_0000002167905856__ol83281510142514"><li id="EN-US_TOPIC_0000002167905856__li17328131014251"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002167905856__li203291710122516"><span>Choose <strong id="EN-US_TOPIC_0000002167905856__b9582164211918">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002167905856__b1583742101913">Clusters<span id="EN-US_TOPIC_0000002167905856__text158310428194"></span></strong> in the navigation pane.</span></li><li id="EN-US_TOPIC_0000002167905856__li193292107256"><span>In the cluster list, find the target cluster and click the cluster name. The <span class="wintitle" id="EN-US_TOPIC_0000002167905856__wintitle52391844112816"><b>Cluster Information</b></span> page is displayed.</span></li><li id="EN-US_TOPIC_0000002167905856__li1532951016257"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000002167905856__uicontrol931765542216"><b>Modify</b></span> next to the <span class="parmname" id="EN-US_TOPIC_0000002167905856__parmname46213147267"><b>Public Network Domain Name</b></span> in the <span class="parmname" id="EN-US_TOPIC_0000002167905856__parmname1031785517229"><b>Connection</b></span> area.</span></li><li id="EN-US_TOPIC_0000002167905856__li11484165252613"><span>In the <span class="wintitle" id="EN-US_TOPIC_0000002167905856__wintitle424783965"><b>Modify Public Network Domain Name</b></span> dialog box, enter the target domain name and click <span class="uicontrol" id="EN-US_TOPIC_0000002167905856__uicontrol525486086"><b>OK</b></span>.</span></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000002167905856__section1267743817334"><a name="EN-US_TOPIC_0000002167905856__section1267743817334"></a><a name="section1267743817334"></a><h4 class="sectiontitle">Releasing a Public Network Domain Name</h4><p id="EN-US_TOPIC_0000002167905856__p1915645173714">After a cluster is created, you can release unnecessary public network domain names.</p>
<p id="EN-US_TOPIC_0000002167905856__p1759271216365">To do so, perform the following steps:</p>

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<p id="EN-US_TOPIC_0000002203312033__p2311144131119">By default, only <span id="EN-US_TOPIC_0000002203312033__text185345675819">cloud</span> accounts or users with <strong id="EN-US_TOPIC_0000002203312033__b1254115618585">Security Administrator</strong> permissions can query and create agencies. IAM users under an account do not have the permission to query or create agencies by default. Contact a user with that permission and complete the authorization on the current page.</p>
<p id="EN-US_TOPIC_0000002203312033__p8903945155214"></p>
<ul id="EN-US_TOPIC_0000002203312033__ul83111945115"><li id="EN-US_TOPIC_0000002203312033__li18311547117"><strong id="EN-US_TOPIC_0000002203312033__b4229637115918">OBS Bucket</strong>: name of the OBS bucket for storing kernel audit data. If no OBS bucket is available, click <span class="uicontrol" id="EN-US_TOPIC_0000002203312033__uicontrol18276161306"><b>View OBS Bucket</b></span> to access the OBS console and create one. For details, see "Console Operation Guide" &gt; "Managing Buckets" &gt; "Creating a Bucket" in the <em id="EN-US_TOPIC_0000002203312033__i02821011806">Object Storage Service User Guide</em>.</li><li id="EN-US_TOPIC_0000002203312033__li1431210431118"><strong id="EN-US_TOPIC_0000002203312033__b164631335308">Kernel OBS Path</strong>: user-defined directory for storing kernel logs on OBS. Different directory levels are separated by forward slashes (/). The value is a string containing 1 to 50 characters, which cannot start with a forward slash (/). If the entered OBS path does not exist, the system creates one and dumps data to it.</li></ul>
</p></li><li id="EN-US_TOPIC_0000002203312033__li53123431112"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000002203312033__uicontrol022518155110"><b>Apply</b></span>.</span><p><p id="EN-US_TOPIC_0000002203312033__p183121416118">If <span class="parmname" id="EN-US_TOPIC_0000002203312033__parmname761382136"><b>Configuration Status</b></span> is <span class="parmvalue" id="EN-US_TOPIC_0000002203312033__parmvalue1503748175"><b>Applying</b></span>, the system is saving the settings. </p>
</p></li><li id="EN-US_TOPIC_0000002203312033__li53123431112"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000002203312033__uicontrol022518155110"><b>Apply</b></span>.</span><p><p id="EN-US_TOPIC_0000002203312033__p183121416118">If <span class="parmname" id="EN-US_TOPIC_0000002203312033__parmname775906300"><b>Configuration Status</b></span> is <span class="parmvalue" id="EN-US_TOPIC_0000002203312033__parmvalue1645603228"><b>Applying</b></span>, the system is saving the settings. </p>
<p id="EN-US_TOPIC_0000002203312033__p731219413117">When the status changes to <span class="parmvalue" id="EN-US_TOPIC_0000002203312033__parmvalue48301017914"><b>Synchronized</b></span>, the configurations are saved and take effect.</p>
</p></li><li id="EN-US_TOPIC_0000002203312033__li4426113182318"><span>After the kernel audit log dump function is enabled, you can use the <strong id="EN-US_TOPIC_0000002203312033__b372285312113">pg_query_audit</strong> function to view the dumped logs. For details, see <a href="dws_01_0183.html#EN-US_TOPIC_0000002167905872__en-us_topic_0000001405788485_en-us_topic_0000001233761719_s0aec83296dc54e8f92966415aaaa3a6f">Using Functions to View Database Audit Logs</a>.</span><p><p id="EN-US_TOPIC_0000002203312033__p1779718163233">Alternatively, select the OBS bucket and folder where logs are stored to view the log files. For details, see <a href="#EN-US_TOPIC_0000002203312033__li66482618816">6</a>.</p>
</p></li></ol>
@ -534,7 +534,7 @@
</div>
<div class="section" id="EN-US_TOPIC_0000002203312033__en-us_topic_0000001145696613_section156597111415"><h4 class="sectiontitle">Disabling Audit Log Dump/Kernel Audit Log Dump</h4><p id="EN-US_TOPIC_0000002203312033__en-us_topic_0000001145696613_p532325411015">After the audit log dump or kernel audit log dump is enabled, you can disable it if you no longer need to dump audit logs or kernel audit logs to OBS.</p>
<p id="EN-US_TOPIC_0000002203312033__en-us_topic_0000001145696613_p12270144635818"></p>
<ol id="EN-US_TOPIC_0000002203312033__ol19271123815"><li id="EN-US_TOPIC_0000002203312033__li79281123815"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002203312033__li149201133817"><span>Choose <strong id="EN-US_TOPIC_0000002203312033__b16705121172114">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203312033__b17063114219">Clusters<span id="EN-US_TOPIC_0000002203312033__text197051113219"></span></strong> in the navigation pane.</span></li><li id="EN-US_TOPIC_0000002203312033__li69391123814"><span>Click the name of the cluster for which you want to disable <strong id="EN-US_TOPIC_0000002203312033__b231173920316">Audit Log Dump</strong> or <strong id="EN-US_TOPIC_0000002203312033__b921924715312">Kernel Audit Log Dump</strong>. In the navigation pane, choose <span class="uicontrol" id="EN-US_TOPIC_0000002203312033__uicontrol893101163819"><b>Security Settings</b></span>.</span></li><li id="EN-US_TOPIC_0000002203312033__li49311120388"><span>In the audit configuration area, toggle the audit log dump/kernel audit log dump function off.</span></li><li id="EN-US_TOPIC_0000002203312033__li189391118383"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000002203312033__uicontrol625666545"><b>Apply</b></span>.</span><p><p id="EN-US_TOPIC_0000002203312033__p993151112384">If <span class="parmname" id="EN-US_TOPIC_0000002203312033__parmname69625171"><b>Configuration Status</b></span> is <span class="parmvalue" id="EN-US_TOPIC_0000002203312033__parmvalue501301307"><b>Applying</b></span>, the system is saving the settings. </p>
<ol id="EN-US_TOPIC_0000002203312033__ol19271123815"><li id="EN-US_TOPIC_0000002203312033__li79281123815"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002203312033__li149201133817"><span>Choose <strong id="EN-US_TOPIC_0000002203312033__b16705121172114">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203312033__b17063114219">Clusters<span id="EN-US_TOPIC_0000002203312033__text197051113219"></span></strong> in the navigation pane.</span></li><li id="EN-US_TOPIC_0000002203312033__li69391123814"><span>Click the name of the cluster for which you want to disable <strong id="EN-US_TOPIC_0000002203312033__b231173920316">Audit Log Dump</strong> or <strong id="EN-US_TOPIC_0000002203312033__b921924715312">Kernel Audit Log Dump</strong>. In the navigation pane, choose <span class="uicontrol" id="EN-US_TOPIC_0000002203312033__uicontrol893101163819"><b>Security Settings</b></span>.</span></li><li id="EN-US_TOPIC_0000002203312033__li49311120388"><span>In the audit configuration area, toggle the audit log dump/kernel audit log dump function off.</span></li><li id="EN-US_TOPIC_0000002203312033__li189391118383"><span>Click <span class="uicontrol" id="EN-US_TOPIC_0000002203312033__uicontrol1243935416"><b>Apply</b></span>.</span><p><p id="EN-US_TOPIC_0000002203312033__p993151112384">If <span class="parmname" id="EN-US_TOPIC_0000002203312033__parmname799823154"><b>Configuration Status</b></span> is <span class="parmvalue" id="EN-US_TOPIC_0000002203312033__parmvalue51211049"><b>Applying</b></span>, the system is saving the settings. </p>
<p id="EN-US_TOPIC_0000002203312033__p1494011203817">When the status changes to <span class="parmvalue" id="EN-US_TOPIC_0000002203312033__parmvalue131713139428"><b>Synchronized</b></span>, the configurations are saved and take effect.</p>
</p></li></ol>
</div>

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</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002168065764__row85016211523"><td class="cellrowborder" valign="top" width="22.58%" headers="mcps1.3.5.4.2.5.1.1 "><p id="EN-US_TOPIC_0000002168065764__p1627618281558">Querying Schemas in a GaussDB(DWS) Cluster</p>
</td>
<td class="cellrowborder" valign="top" width="31.830000000000002%" headers="mcps1.3.5.4.2.5.1.2 "><p id="EN-US_TOPIC_0000002168065764__p1527611283553">"dws:monitor:listClusterOverview"</p>
</td>
<td class="cellrowborder" valign="top" width="26.21%" headers="mcps1.3.5.4.2.5.1.3 "><p id="EN-US_TOPIC_0000002168065764__p913452118561">"dws:*:get*",</p>
<p id="EN-US_TOPIC_0000002168065764__p11134162135616">"dws:*:list*"</p>
</td>
<td class="cellrowborder" valign="top" width="19.38%" headers="mcps1.3.5.4.2.5.1.4 "><ul id="EN-US_TOPIC_0000002168065764__ul10120142517569"><li id="EN-US_TOPIC_0000002168065764__li5120425145610">Not supported<ul id="EN-US_TOPIC_0000002168065764__ul1812072519566"><li id="EN-US_TOPIC_0000002168065764__li1512022513567">Enterprise Project</li></ul>
</li><li id="EN-US_TOPIC_0000002168065764__li1712022525615">Scope:<ul id="EN-US_TOPIC_0000002168065764__ul512012595615"><li id="EN-US_TOPIC_0000002168065764__li31204259561">Project</li></ul>
</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002168065764__row1853093185219"><td class="cellrowborder" valign="top" width="22.58%" headers="mcps1.3.5.4.2.5.1.1 "><p id="EN-US_TOPIC_0000002168065764__p026711117593">Querying Historical Monitoring Data</p>
</td>
<td class="cellrowborder" valign="top" width="31.830000000000002%" headers="mcps1.3.5.4.2.5.1.2 "><p id="EN-US_TOPIC_0000002168065764__p12267211125914">"dws:monitor:getHistoryMetrics"</p>
</td>
<td class="cellrowborder" valign="top" width="26.21%" headers="mcps1.3.5.4.2.5.1.3 "><p id="EN-US_TOPIC_0000002168065764__p1484544865917">"dws:*:get*",</p>
<p id="EN-US_TOPIC_0000002168065764__p384554819598">"dws:*:list*"</p>
</td>
<td class="cellrowborder" valign="top" width="19.38%" headers="mcps1.3.5.4.2.5.1.4 "><ul id="EN-US_TOPIC_0000002168065764__ul15202155317598"><li id="EN-US_TOPIC_0000002168065764__li920295312595">Not supported<ul id="EN-US_TOPIC_0000002168065764__ul2202153115911"><li id="EN-US_TOPIC_0000002168065764__li12202353125915">Enterprise Project</li></ul>
</li><li id="EN-US_TOPIC_0000002168065764__li52029536594">Scope:<ul id="EN-US_TOPIC_0000002168065764__ul4202353115916"><li id="EN-US_TOPIC_0000002168065764__li1820213533597">Project</li></ul>
</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002168065764__row653183112527"><td class="cellrowborder" valign="top" width="22.58%" headers="mcps1.3.5.4.2.5.1.1 "><p id="EN-US_TOPIC_0000002168065764__p1311378185918">Column Display Configuration in the Query List</p>
</td>
<td class="cellrowborder" valign="top" width="31.830000000000002%" headers="mcps1.3.5.4.2.5.1.2 "><p id="EN-US_TOPIC_0000002168065764__p8113208145917">"dws:cluster:listQueryForDMS"</p>
</td>
<td class="cellrowborder" valign="top" width="26.21%" headers="mcps1.3.5.4.2.5.1.3 "><p id="EN-US_TOPIC_0000002168065764__p1891473410">"dws:*:get*",</p>
<p id="EN-US_TOPIC_0000002168065764__p16914131619">"dws:*:list*"</p>
</td>
<td class="cellrowborder" valign="top" width="19.38%" headers="mcps1.3.5.4.2.5.1.4 "><ul id="EN-US_TOPIC_0000002168065764__ul3756109910"><li id="EN-US_TOPIC_0000002168065764__li167572917115">Not supported<ul id="EN-US_TOPIC_0000002168065764__ul11757796111"><li id="EN-US_TOPIC_0000002168065764__li10757894112">Enterprise Project</li></ul>
</li><li id="EN-US_TOPIC_0000002168065764__li15757692115">Scope:<ul id="EN-US_TOPIC_0000002168065764__ul97572098114"><li id="EN-US_TOPIC_0000002168065764__li6757699117">Project</li></ul>
</li></ul>
</td>
</tr>
<tr id="EN-US_TOPIC_0000002168065764__row553173110527"><td class="cellrowborder" valign="top" width="22.58%" headers="mcps1.3.5.4.2.5.1.1 "><p id="EN-US_TOPIC_0000002168065764__p1036412385019">Adding or Modifying a Column in the List</p>
</td>
<td class="cellrowborder" valign="top" width="31.830000000000002%" headers="mcps1.3.5.4.2.5.1.2 "><p id="EN-US_TOPIC_0000002168065764__p4364143811020">"dws:cluster:listQueryForDMS"</p>
</td>
<td class="cellrowborder" valign="top" width="26.21%" headers="mcps1.3.5.4.2.5.1.3 "><p id="EN-US_TOPIC_0000002168065764__p192536520110">"dws:*:get*",</p>
<p id="EN-US_TOPIC_0000002168065764__p162531155111">"dws:*:list*"</p>
</td>
<td class="cellrowborder" valign="top" width="19.38%" headers="mcps1.3.5.4.2.5.1.4 "><ul id="EN-US_TOPIC_0000002168065764__ul2082771012114"><li id="EN-US_TOPIC_0000002168065764__li7827101012119">Not supported<ul id="EN-US_TOPIC_0000002168065764__ul3827310516"><li id="EN-US_TOPIC_0000002168065764__li282710100119">Enterprise Project</li></ul>
</li><li id="EN-US_TOPIC_0000002168065764__li1782751016115">Scope:<ul id="EN-US_TOPIC_0000002168065764__ul1182711101314"><li id="EN-US_TOPIC_0000002168065764__li082781015114">Project</li></ul>
</li></ul>
</td>
</tr>
</tbody>
</table>
</div>
@ -1775,7 +1823,7 @@
</p></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000002168065764__section17298117184116"><h4 class="sectiontitle">Authentication Logic</h4><p id="EN-US_TOPIC_0000002168065764__p13451071414">If a user is granted permissions of multiple policies or of only one policy containing both Allow and Deny statements, then authentication starts from the Deny statements. The following figure shows the authentication logic for resource access.</p>
<div class="fignone" id="EN-US_TOPIC_0000002168065764__fig04511576415"><span class="figcap"><b>Figure 2 </b>Authentication logic</span><br><span><img id="EN-US_TOPIC_0000002168065764__image1545187114112" src="figure/en-us_image_0000002203427309.jpg"></span></div>
<div class="fignone" id="EN-US_TOPIC_0000002168065764__fig04511576415"><span class="figcap"><b>Figure 2 </b>Authentication logic</span><br><span><img id="EN-US_TOPIC_0000002168065764__image1545187114112" src="figure/en-us_image_0000002203427309.jpg" width="NaN" height="NaN"></span></div>
<div class="note" id="EN-US_TOPIC_0000002168065764__note3302137154116"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000002168065764__p24521270418">The actions in each policy bear the OR relationship.</p>
</div></div>
<ol id="EN-US_TOPIC_0000002168065764__ol154525714111"><li id="EN-US_TOPIC_0000002168065764__li44524744113">A user accesses the system and makes an operation request.</li><li id="EN-US_TOPIC_0000002168065764__li245218734114">The system evaluates all the permissions policies assigned to the user.</li><li id="EN-US_TOPIC_0000002168065764__li184529744118">In these policies, the system looks for explicit deny permissions. If the system finds an explicit deny that applies, it returns a decision of Deny, and the authentication ends.</li><li id="EN-US_TOPIC_0000002168065764__li1445213744117">If no explicit deny is found, the system looks for allow permissions that would apply to the request. If the system finds an explicit allow permission that applies, it returns a decision of Allow, and the authentication ends.</li><li id="EN-US_TOPIC_0000002168065764__li12452577419">If no explicit allow permission is found, IAM returns a decision of Deny, and the authentication ends.</li></ol>

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</div></div>
</p></li><li id="EN-US_TOPIC_0000002203426593__li7878912141617"><span>By default, only the change history within a specified period is displayed. To check the entire change history of a parameter, search for it in the search box in the upper right corner.</span></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000002203426593__section630516843817"><h4 class="sectiontitle">Exporting the Parameter List</h4><ol id="EN-US_TOPIC_0000002203426593__ol18793518173812"><li id="EN-US_TOPIC_0000002203426593__li97232173811"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002203426593__li1721121113816"><span>Choose <strong id="EN-US_TOPIC_0000002203426593__b52691255268">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203426593__b626916255262">Clusters<span id="EN-US_TOPIC_0000002203426593__text1226982572610"></span></strong> in the navigation pane.</span></li><li id="EN-US_TOPIC_0000002203426593__li27212214381"><span>In the cluster list, find the target cluster and click the cluster name. The <span class="wintitle" id="EN-US_TOPIC_0000002203426593__wintitle888222910"><b>Cluster Information</b></span> page is displayed.</span></li><li id="EN-US_TOPIC_0000002203426593__li1071289103519"><span>Click <span class="parmname" id="EN-US_TOPIC_0000002203426593__parmname473721183818"><b>Parameters</b></span> and click <span class="parmname" id="EN-US_TOPIC_0000002203426593__parmname1473122183810"><b>Export</b></span>. You can export cluster configuration parameters.</span><p><div class="fignone" id="EN-US_TOPIC_0000002203426593__fig2403191933519"><span class="figcap"><b>Figure 1 </b>Exporting parameter settings</span><br><span><img id="EN-US_TOPIC_0000002203426593__image1188116916438" src="figure/en-us_image_0000002168066108.png" width="405.9825" height="188.863591" title="Click to enlarge" class="imgResize"></span></div>
<div class="section" id="EN-US_TOPIC_0000002203426593__section630516843817"><h4 class="sectiontitle">Exporting the Parameter List</h4><ol id="EN-US_TOPIC_0000002203426593__ol18793518173812"><li id="EN-US_TOPIC_0000002203426593__li97232173811"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002203426593__li1721121113816"><span>Choose <strong id="EN-US_TOPIC_0000002203426593__b52691255268">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203426593__b626916255262">Clusters<span id="EN-US_TOPIC_0000002203426593__text1226982572610"></span></strong> in the navigation pane.</span></li><li id="EN-US_TOPIC_0000002203426593__li27212214381"><span>In the cluster list, find the target cluster and click the cluster name. The <span class="wintitle" id="EN-US_TOPIC_0000002203426593__wintitle2009525739"><b>Cluster Information</b></span> page is displayed.</span></li><li id="EN-US_TOPIC_0000002203426593__li1071289103519"><span>Click <span class="parmname" id="EN-US_TOPIC_0000002203426593__parmname473721183818"><b>Parameters</b></span> and click <span class="parmname" id="EN-US_TOPIC_0000002203426593__parmname1473122183810"><b>Export</b></span>. You can export cluster configuration parameters.</span><p><div class="fignone" id="EN-US_TOPIC_0000002203426593__fig2403191933519"><span class="figcap"><b>Figure 1 </b>Exporting parameter settings</span><br><span><img id="EN-US_TOPIC_0000002203426593__image1188116916438" src="figure/en-us_image_0000002168066108.png" width="405.9825" height="188.863591" title="Click to enlarge" class="imgResize"></span></div>
<p id="EN-US_TOPIC_0000002203426593__p1145162711817"></p>
</p></li></ol>
</div>
@ -323,7 +323,7 @@
<div class="section" id="EN-US_TOPIC_0000002203426593__section01337451813"><h4 class="sectiontitle">Cluster Memory Configuration Parameters</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426593__table146711961816" frame="border" border="1" rules="all"><caption><b>Table 2 </b>Cluster memory configuration parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426593__row84677197188"><th align="left" class="cellrowborder" valign="top" width="26.812681268126816%" id="mcps1.3.7.2.2.4.1.1"><p id="EN-US_TOPIC_0000002203426593__p7725102413196"><strong id="EN-US_TOPIC_0000002203426593__b77251824141915">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="51.15511551155115%" id="mcps1.3.7.2.2.4.1.2"><p id="EN-US_TOPIC_0000002203426593__p77251424101913"><strong id="EN-US_TOPIC_0000002203426593__b626193499">Description</strong></p>
<th align="left" class="cellrowborder" valign="top" width="51.15511551155115%" id="mcps1.3.7.2.2.4.1.2"><p id="EN-US_TOPIC_0000002203426593__p77251424101913"><strong id="EN-US_TOPIC_0000002203426593__b339626833">Description</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="22.03220322032203%" id="mcps1.3.7.2.2.4.1.3"><p id="EN-US_TOPIC_0000002203426593__p7725172418196"><strong id="EN-US_TOPIC_0000002203426593__b182423522111297">Value Range</strong></p>
</th>
@ -399,7 +399,7 @@
<div class="section" id="EN-US_TOPIC_0000002203426593__section133397321195"><h4 class="sectiontitle">Cluster Disk Configuration Parameters</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426593__table187751414182019" frame="border" border="1" rules="all"><caption><b>Table 3 </b>Cluster disk configuration parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426593__row14775141452017"><th align="left" class="cellrowborder" valign="top" width="26.49264926492649%" id="mcps1.3.8.2.2.4.1.1"><p id="EN-US_TOPIC_0000002203426593__p16680193419204"><strong id="EN-US_TOPIC_0000002203426593__b0680133412200">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="51.15511551155115%" id="mcps1.3.8.2.2.4.1.2"><p id="EN-US_TOPIC_0000002203426593__p068083419203"><strong id="EN-US_TOPIC_0000002203426593__b982883385">Description</strong></p>
<th align="left" class="cellrowborder" valign="top" width="51.15511551155115%" id="mcps1.3.8.2.2.4.1.2"><p id="EN-US_TOPIC_0000002203426593__p068083419203"><strong id="EN-US_TOPIC_0000002203426593__b1021881572">Description</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="22.352235223522353%" id="mcps1.3.8.2.2.4.1.3"><p id="EN-US_TOPIC_0000002203426593__p196801834102015"><strong id="EN-US_TOPIC_0000002203426593__b182436698411297">Value Range</strong></p>
</th>
@ -426,7 +426,7 @@
<div class="section" id="EN-US_TOPIC_0000002203426593__section4708182012120"><h4 class="sectiontitle">Cluster Network Configuration Parameters</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426593__table438813517212" frame="border" border="1" rules="all"><caption><b>Table 4 </b>Cluster network configuration parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426593__row16388935202119"><th align="left" class="cellrowborder" valign="top" width="26.732673267326728%" id="mcps1.3.9.2.2.4.1.1"><p id="EN-US_TOPIC_0000002203426593__p1920313483215"><strong id="EN-US_TOPIC_0000002203426593__b162031348142111">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50.67506750675068%" id="mcps1.3.9.2.2.4.1.2"><p id="EN-US_TOPIC_0000002203426593__p1420316487213"><strong id="EN-US_TOPIC_0000002203426593__b1483911772">Description</strong></p>
<th align="left" class="cellrowborder" valign="top" width="50.67506750675068%" id="mcps1.3.9.2.2.4.1.2"><p id="EN-US_TOPIC_0000002203426593__p1420316487213"><strong id="EN-US_TOPIC_0000002203426593__b1592676937">Description</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="22.59225922592259%" id="mcps1.3.9.2.2.4.1.3"><p id="EN-US_TOPIC_0000002203426593__p13203194812213"><strong id="EN-US_TOPIC_0000002203426593__b80793327911297">Value Range</strong></p>
</th>
@ -460,7 +460,7 @@
<div class="section" id="EN-US_TOPIC_0000002203426593__section18949106237"><h4 class="sectiontitle">SQL Tuning Parameters</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426593__table7836103502310" frame="border" border="1" rules="all"><caption><b>Table 5 </b>SQL tuning parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426593__row2083673515232"><th align="left" class="cellrowborder" valign="top" width="26.572657265726573%" id="mcps1.3.10.2.2.4.1.1"><p id="EN-US_TOPIC_0000002203426593__p19478195912318"><strong id="EN-US_TOPIC_0000002203426593__b647855910237">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50.44504450445044%" id="mcps1.3.10.2.2.4.1.2"><p id="EN-US_TOPIC_0000002203426593__p647885911238"><strong id="EN-US_TOPIC_0000002203426593__b1444977675">Description</strong></p>
<th align="left" class="cellrowborder" valign="top" width="50.44504450445044%" id="mcps1.3.10.2.2.4.1.2"><p id="EN-US_TOPIC_0000002203426593__p647885911238"><strong id="EN-US_TOPIC_0000002203426593__b511623594">Description</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="22.98229822982298%" id="mcps1.3.10.2.2.4.1.3"><p id="EN-US_TOPIC_0000002203426593__p4478165917234"><strong id="EN-US_TOPIC_0000002203426593__b87014017111297">Value Range</strong></p>
</th>
@ -554,7 +554,7 @@
<div class="section" id="EN-US_TOPIC_0000002203426593__section84271659112411"><h4 class="sectiontitle">SQL Compatibility Parameters</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000002203426593__table1383564382517" frame="border" border="1" rules="all"><caption><b>Table 6 </b>SQL compatibility parameters</caption><thead align="left"><tr id="EN-US_TOPIC_0000002203426593__row118357437253"><th align="left" class="cellrowborder" valign="top" width="26.89268926892689%" id="mcps1.3.11.2.2.4.1.1"><p id="EN-US_TOPIC_0000002203426593__p17477141142611"><strong id="EN-US_TOPIC_0000002203426593__b1947711115265">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="49.09490949094909%" id="mcps1.3.11.2.2.4.1.2"><p id="EN-US_TOPIC_0000002203426593__p64775118265"><strong id="EN-US_TOPIC_0000002203426593__b123893165">Description</strong></p>
<th align="left" class="cellrowborder" valign="top" width="49.09490949094909%" id="mcps1.3.11.2.2.4.1.2"><p id="EN-US_TOPIC_0000002203426593__p64775118265"><strong id="EN-US_TOPIC_0000002203426593__b1465487863">Description</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="24.012401240124014%" id="mcps1.3.11.2.2.4.1.3"><p id="EN-US_TOPIC_0000002203426593__p1447712113261"><strong id="EN-US_TOPIC_0000002203426593__b37953630311297">Value Range</strong></p>
</th>

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<h1 class="topictitle1">Using the Third-Party Database Adapter PyGreSQL (in Python) for GaussDB(DWS) Cluster Connection</h1>
<div id="body0000001289280196"><p id="EN-US_TOPIC_0000002168065660__p458821416515">After creating a GaussDB(DWS) cluster and using the third-party database adapter PyGreSQL to connect to the cluster, you can use Python to access GaussDB(DWS) and perform various operations on data tables.</p>
<div class="section" id="EN-US_TOPIC_0000002168065660__section5781841515252"><h4 class="sectiontitle">Preparations Before Connecting to a Cluster</h4><ul id="EN-US_TOPIC_0000002168065660__ul45554082154819"><li id="EN-US_TOPIC_0000002168065660__li26944207154837">An EIP has been bound to the GaussDB(DWS) cluster.</li><li id="EN-US_TOPIC_0000002168065660__li15641651154819">You have obtained the administrator username and password for logging in to the database in the GaussDB(DWS) cluster.<div class="p" id="EN-US_TOPIC_0000002168065660__p4241153345010"><a name="EN-US_TOPIC_0000002168065660__li15641651154819"></a><a name="li15641651154819"></a>MD5 algorithms may by vulnerable to collision attacks and cannot be used for password verification. Currently, GaussDB(DWS) uses the default security design. By default, MD5 password verification is disabled, and this may cause failures of connections from open source clients. You are advised to <span id="EN-US_TOPIC_0000002168065660__ph1156310384473">contact the technical support to</span> check whether the value of <strong id="EN-US_TOPIC_0000002168065660__b856433824713">password_encryption_type</strong> is <strong id="EN-US_TOPIC_0000002168065660__b45641338204714">1</strong>. If the value is not <strong id="EN-US_TOPIC_0000002168065660__b17564538144718">1</strong>, change it by referring to <a href="dws_01_0152.html">Modifying GUC Parameters of the GaussDB(DWS) Cluster</a>. Then change the password of the database user to be used.<div class="note" id="EN-US_TOPIC_0000002168065660__note0736103131316"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000002168065660__ul622991113241"><li id="EN-US_TOPIC_0000002168065660__li7230131152410">For security purposes, GaussDB(DWS) no longer uses MD5 to store password digests by default. As a result, the open-source drives and clients may fail to connect to the database. To use the MD5 algorithm used in an open-source protocol, you must modify your password policy and create a new user, or change the password of an existing user.</li><li id="EN-US_TOPIC_0000002168065660__li82301611172414">The database stores the hash digest of passwords instead of password text. During password verification, the system compares the hash digest with the password digest sent from the client (salt operations are involved). If you change your cryptographic algorithm policy, the database cannot generate a new hash digest for your existing password. For connectivity purposes, you must manually change your password or create a new user. The new password will be encrypted using the hash algorithm and stored for authentication in the next connection.</li></ul>
<div class="section" id="EN-US_TOPIC_0000002168065660__section5781841515252"><h4 class="sectiontitle">Preparations Before Connecting to a Cluster</h4><ul id="EN-US_TOPIC_0000002168065660__ul45554082154819"><li id="EN-US_TOPIC_0000002168065660__li26944207154837">An EIP has been bound to the GaussDB(DWS) cluster.</li><li id="EN-US_TOPIC_0000002168065660__li15641651154819">You have obtained the administrator username and password for logging in to the database in the GaussDB(DWS) cluster.<div class="p" id="EN-US_TOPIC_0000002168065660__p4241153345010"><a name="EN-US_TOPIC_0000002168065660__li15641651154819"></a><a name="li15641651154819"></a>MD5 algorithms may by vulnerable to collision attacks and cannot be used for password verification. Currently, GaussDB(DWS) uses the default security design. By default, MD5 password verification is disabled, and this may cause failures of connections from open source clients. You are advised to <span id="EN-US_TOPIC_0000002168065660__ph496717409275">contact the technical support to</span> check whether the value of <strong id="EN-US_TOPIC_0000002168065660__b1996704062713">password_encryption_type</strong> is <strong id="EN-US_TOPIC_0000002168065660__b19671440122714">1</strong>. If the value is not <strong id="EN-US_TOPIC_0000002168065660__b096864010272">1</strong>, change it. Then change the password of the database user to be used.<div class="note" id="EN-US_TOPIC_0000002168065660__note0736103131316"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000002168065660__ul622991113241"><li id="EN-US_TOPIC_0000002168065660__li7230131152410">For security purposes, GaussDB(DWS) no longer uses MD5 to store password digests by default. As a result, the open-source drives and clients may fail to connect to the database. To use the MD5 algorithm used in an open-source protocol, you must modify your password policy and create a new user, or change the password of an existing user.</li><li id="EN-US_TOPIC_0000002168065660__li82301611172414">The database stores the hash digest of passwords instead of password text. During password verification, the system compares the hash digest with the password digest sent from the client (salt operations are involved). If you change your cryptographic algorithm policy, the database cannot generate a new hash digest for your existing password. For connectivity purposes, you must manually change your password or create a new user. The new password will be encrypted using the hash algorithm and stored for authentication in the next connection.</li></ul>
</div></div>
</div>
</li><li id="EN-US_TOPIC_0000002168065660__li21675327154819">You have obtained the public network address, including the IP address and port number in the data warehouse cluster. For details, see <a href="dws_01_0033.html">Obtaining the Connection Address of a GaussDB(DWS) Cluster</a>.</li><li id="EN-US_TOPIC_0000002168065660__li1063531922419">You have installed the third-party function library PyGreSQL.<p id="EN-US_TOPIC_0000002168065660__p15638162832413"><a name="EN-US_TOPIC_0000002168065660__li1063531922419"></a><a name="li1063531922419"></a>Download address: <a href="http://www.pygresql.org/download/index.html" target="_blank" rel="noopener noreferrer">http://www.pygresql.org/download/index.html</a></p>
@ -1752,7 +1752,7 @@
<span class="w"> </span><span class="n">conn</span><span class="p">.</span><span class="k">close</span><span class="p">()</span>
</pre></div></td></tr></table></div>
</div>
</p></li><li id="EN-US_TOPIC_0000002168065660__li174622177566"><span>Change the public network address, cluster port number, database name, database username, and database password in the <strong id="EN-US_TOPIC_0000002168065660__b242711767">python_dws.py</strong> file based on the actual cluster information.</span><p><p id="EN-US_TOPIC_0000002168065660__p1846210177564">The PyGreSQL API does not provide the connection retry capability. You need to implement the retry processing in the service code.</p>
</p></li><li id="EN-US_TOPIC_0000002168065660__li174622177566"><span>Change the public network address, cluster port number, database name, database username, and database password in the <strong id="EN-US_TOPIC_0000002168065660__b1952916209">python_dws.py</strong> file based on the actual cluster information.</span><p><p id="EN-US_TOPIC_0000002168065660__p1846210177564">The PyGreSQL API does not provide the connection retry capability. You need to implement the retry processing in the service code.</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000002168065660__screen4462161713564"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
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</div>
<div class="section" id="EN-US_TOPIC_0000002203426577__section199365318174"><a name="EN-US_TOPIC_0000002203426577__section199365318174"></a><a name="section199365318174"></a><h4 class="sectiontitle">Dirty Page Rate</h4><p id="EN-US_TOPIC_0000002203426577__p168411137170"><strong id="EN-US_TOPIC_0000002203426577__b5296193112392">Context</strong></p>
<p id="EN-US_TOPIC_0000002203426577__p1033185511383">DML operations on tables may generate dirty data, which unnecessarily occupies cluster storage. To handle large tables and those with a high dirty page rate, you can query the dirty page rate of a table and take into account its size and dirty page rate. </p>
<p id="EN-US_TOPIC_0000002203426577__p16701181812175"><strong id="EN-US_TOPIC_0000002203426577__b1072781975">Procedure</strong></p>
<p id="EN-US_TOPIC_0000002203426577__p16701181812175"><strong id="EN-US_TOPIC_0000002203426577__b1818618375">Procedure</strong></p>
<ol id="EN-US_TOPIC_0000002203426577__ol1377562215195"><li id="EN-US_TOPIC_0000002203426577__li1077652218198"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002203426577__li77767226195"><span>Choose <strong id="EN-US_TOPIC_0000002203426577__b9853125514276">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203426577__b16854135582714">Clusters<span id="EN-US_TOPIC_0000002203426577__text1854155519277"></span></strong> and locate the cluster to be monitored.</span></li><li id="EN-US_TOPIC_0000002203426577__li1776102291917"><span>In the <strong id="EN-US_TOPIC_0000002203426577__b98283623132918">Operation</strong> column of the target cluster, click <strong id="EN-US_TOPIC_0000002203426577__b20039571332918">Monitoring Panel</strong>.</span></li><li id="EN-US_TOPIC_0000002203426577__li15707101413164"><span>In the navigation tree on the left, choose <strong id="EN-US_TOPIC_0000002203426577__b43832037171217">Utilities</strong> &gt; <strong id="EN-US_TOPIC_0000002203426577__b12384737161214">Table Diagnosis</strong> and click the <strong id="EN-US_TOPIC_0000002203426577__b14384163716122">Dirty Page Rate</strong> tab. The tables that meet the statistics collection conditions in the cluster are displayed.</span></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000002203426577__section251323071917"><a name="EN-US_TOPIC_0000002203426577__section251323071917"></a><a name="section251323071917"></a><h4 class="sectiontitle">DDL Audit</h4><p id="EN-US_TOPIC_0000002203426577__p1781121514256"><strong id="EN-US_TOPIC_0000002203426577__b7261339181116">Viewing and Exporting DDL Audit Results</strong></p>

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<h1 class="topictitle1">Binding and Unbinding ELBs for a GaussDB(DWS) Cluster</h1>
<div id="body0000001189568137"><div class="section" id="EN-US_TOPIC_0000002168065524__en-us_topic_0000001083058054_section1201157202712"><h4 class="sectiontitle">Overview</h4><p id="EN-US_TOPIC_0000002168065524__p1081987164213">If the private IP address or EIP of a CN is used to connect to a cluster, the failure of this CN will lead to cluster connection failure. If a private domain name is used for connection, the DNS service randomly selects a private IP address or EIP for each client. This cannot balance loads or avoid single-CN failures. ELB is used to solve these problems.</p>
<p id="EN-US_TOPIC_0000002168065524__p653411834218">An ELB distributes access traffic to multiple ECSs for traffic control based on forwarding policies. It improves the fault tolerance capability of application programs. For details, see the <em id="EN-US_TOPIC_0000002168065524__i12738134812203"></em><em id="EN-US_TOPIC_0000002168065524__i1373813486205">Elastic Load Balance User Guide</em>.</p>
<p id="EN-US_TOPIC_0000002168065524__p653411834218">An ELB distributes access traffic to multiple ECSs for traffic control based on forwarding policies. It improves the fault tolerance capability of application programs. For details, see the <em id="EN-US_TOPIC_0000002168065524__i65114610382"></em><em id="EN-US_TOPIC_0000002168065524__i145156133810">Elastic Load Balance User Guide</em>.</p>
<p id="EN-US_TOPIC_0000002168065524__p5807161619337">With ELB health checks, CN requests of a cluster can be quickly forwarded to normal CNs. If a CN is faulty, the workload can be immediately shifted to a healthy node, minimizing cluster access faults. </p>
<div class="note" id="EN-US_TOPIC_0000002168065524__en-us_topic_0000001083058054_note536104317508"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="EN-US_TOPIC_0000002168065524__ul1119881111522"><li id="EN-US_TOPIC_0000002168065524__li31981211105215">This feature is supported only in cluster version 8.1.1.200 or later.</li><li id="EN-US_TOPIC_0000002168065524__li2870101225213">To ensure load balancing and high availability and prevent service interruption, ensure created clusters are to an ELB.</li><li id="EN-US_TOPIC_0000002168065524__li64481837818">ELB does not support cross-database access.</li></ul>
</div></div>

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<div class="section" id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_section151281437104116"><h4 class="sectiontitle">Disks</h4><p id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_p12460154516417">On the <strong id="EN-US_TOPIC_0000002203426505__b62125679910727">Disks</strong> tab page, view the real-time disk resource consumption of a node by node name and disk name, including:</p>
<ul id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_ul1638018226503"><li id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_li3256171918127">Node Name</li><li id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_li6256119181210">Disk Name</li><li id="EN-US_TOPIC_0000002203426505__li36216445218">Disk Type<ul id="EN-US_TOPIC_0000002203426505__ul194917538213"><li id="EN-US_TOPIC_0000002203426505__li1850712462025">System disk</li><li id="EN-US_TOPIC_0000002203426505__li1386711482215">Data disk</li><li id="EN-US_TOPIC_0000002203426505__li1075918281729">Log disk</li></ul>
</li><li id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_li138092218501">Disk Capacity (GB)</li><li id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_li1738102213507">Disk Usage (%)</li><li id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_li1438142225018">Disk Read Rate (KB/s)</li><li id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_li153811022115011">Disk Write Rate (KB/s)</li><li id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_li9381182275011">I/O Wait Time (await, ms)</li><li id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_li1738132216506">I/O Service Time (svctm, ms)</li><li id="EN-US_TOPIC_0000002203426505__li54411262612">IOPS</li><li id="EN-US_TOPIC_0000002203426505__li5311341552">Monitoring: You can click <span><img id="EN-US_TOPIC_0000002203426505__image49701159826" src="figure/en-us_image_0000001328622480.png"></span> in the <strong id="EN-US_TOPIC_0000002203426505__b149703598213">Monitoring</strong> column to view the disk performance metric topology of the node in the last 1 hour, 3 hours, 12 hours, 24 hours, 7 days, or 15 days.</li></ul>
<p id="EN-US_TOPIC_0000002203426505__p11625145421813"><span><img id="EN-US_TOPIC_0000002203426505__image753539326" src="figure/en-us_image_0000002168065860.png" width="486.78000000000003" height="81.54097" title="Click to enlarge" class="imgResize"></span></p>
<p id="EN-US_TOPIC_0000002203426505__p11625145421813"><span><img id="EN-US_TOPIC_0000002203426505__image1647407685" src="figure/en-us_image_0000002168065860.png" width="486.78000000000003" height="81.54097" title="Click to enlarge" class="imgResize"></span></p>
<div class="note" id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_note17177161317538"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_p91771513145318">The sum of the used disk space and available disk space is not equal to the total disk space. This is because a small amount of space is reserved in each default partition for system administrators to use. Even if common users have run out of space, system administrators can log in to the system and use their space required for solving problems.</p>
<p id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_p869715548305">Run the Linux <strong id="EN-US_TOPIC_0000002203426505__b167934314555">df</strong> command to collect the disk capacity information, as shown in the following figure.</p>
<p id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_p124565358584"><span><img id="EN-US_TOPIC_0000002203426505__en-us_topic_0000001076899527_image545683525818" src="figure/en-us_image_0000002203426845.png" height="136.6575" width="523.6875" title="Click to enlarge" class="imgResize"></span></p>

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<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.5.5.2.5.1.2 "><p id="EN-US_TOPIC_0000002203426765__p1458131142619">Time that has been spent in executing the job, in seconds.</p>
<p id="EN-US_TOPIC_0000002203426765__p1761116313473">For example, if <strong id="EN-US_TOPIC_0000002203426765__b165712920410639">Time required for execution</strong> is set to 100s, a job executed by a user in the resource pool will be terminated after being executed for more than 100 seconds.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.3 "><p id="EN-US_TOPIC_0000002203426765__p391183319384">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000002203426765__b1165696264">0</strong> indicates no limit.</p>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.3 "><p id="EN-US_TOPIC_0000002203426765__p391183319384">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000002203426765__b1294605961">0</strong> indicates no limit.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.4 "><p id="EN-US_TOPIC_0000002203426765__p346112222205"><strong id="EN-US_TOPIC_0000002203426765__b11461620105219">Terminated</strong>, <strong id="EN-US_TOPIC_0000002203426765__b446172014523">Downgraded</strong>, or <strong id="EN-US_TOPIC_0000002203426765__b346320155215">Not limited</strong></p>
</td>
@ -64,7 +64,7 @@
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.5.5.2.5.1.2 "><p id="EN-US_TOPIC_0000002203426765__p19611143119478">Total CPU time spent in executing a job on all DNs, in seconds.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.3 "><p id="EN-US_TOPIC_0000002203426765__p1440253133915">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000002203426765__b1786639876">0</strong> indicates no limit.</p>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.3 "><p id="EN-US_TOPIC_0000002203426765__p1440253133915">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000002203426765__b1964440300">0</strong> indicates no limit.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.4 "><p id="EN-US_TOPIC_0000002203426765__p10618132442017"><strong id="EN-US_TOPIC_0000002203426765__b126181522155213">Terminated</strong>, <strong id="EN-US_TOPIC_0000002203426765__b136193225526">Downgraded</strong>, or <strong id="EN-US_TOPIC_0000002203426765__b1619172275217">Not limited</strong></p>
</td>
@ -73,7 +73,7 @@
</td>
<td class="cellrowborder" valign="top" width="40%" headers="mcps1.3.5.5.2.5.1.2 "><p id="EN-US_TOPIC_0000002203426765__p156112315474">Interval for checking the CPU skew, in seconds. This parameter must be set together with <strong id="EN-US_TOPIC_0000002203426765__b25202847010639">Total CPU Time on All DNs</strong>.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.3 "><p id="EN-US_TOPIC_0000002203426765__p1092815814711">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000002203426765__b800929308">0</strong> indicates no limit.</p>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.3 "><p id="EN-US_TOPIC_0000002203426765__p1092815814711">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000002203426765__b310155245">0</strong> indicates no limit.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.4 "><p id="EN-US_TOPIC_0000002203426765__p17192849102014"><strong id="EN-US_TOPIC_0000002203426765__b25741424165218">Terminated</strong>, <strong id="EN-US_TOPIC_0000002203426765__b557442412524">Downgraded</strong>, or <strong id="EN-US_TOPIC_0000002203426765__b195741224135213">Not limited</strong></p>
</td>
@ -93,7 +93,7 @@
<div class="note" id="EN-US_TOPIC_0000002203426765__note1661461965019"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000002203426765__p1161415192504">This rule is supported only by clusters of version 8.2.0 or later.</p>
</div></div>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.3 "><p id="EN-US_TOPIC_0000002203426765__p82816819456">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000002203426765__b405712226">0</strong> indicates no limit.</p>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.3 "><p id="EN-US_TOPIC_0000002203426765__p82816819456">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000002203426765__b1839475596">0</strong> indicates no limit.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.4 "><p id="EN-US_TOPIC_0000002203426765__p1828117884512"><strong id="EN-US_TOPIC_0000002203426765__b174817282526">Terminated</strong>, <strong id="EN-US_TOPIC_0000002203426765__b9484282526">Downgraded</strong>, or <strong id="EN-US_TOPIC_0000002203426765__b7483284529">Not limited</strong></p>
</td>
@ -115,7 +115,7 @@
<div class="note" id="EN-US_TOPIC_0000002203426765__note63366112716"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="EN-US_TOPIC_0000002203426765__p143314682717">This rule is supported only by clusters of version 8.2.1 or later.</p>
</div></div>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.3 "><p id="EN-US_TOPIC_0000002203426765__p144899293280">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000002203426765__b812197962">0</strong> indicates no limit.</p>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.3 "><p id="EN-US_TOPIC_0000002203426765__p144899293280">An integer in the range 1 to 2,147,483,647. The value <strong id="EN-US_TOPIC_0000002203426765__b872857350">0</strong> indicates no limit.</p>
</td>
<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.5.5.2.5.1.4 "><p id="EN-US_TOPIC_0000002203426765__p067124044616"><strong id="EN-US_TOPIC_0000002203426765__b134151548125220">Terminated</strong>, <strong id="EN-US_TOPIC_0000002203426765__b441512483525">Downgraded</strong>, or <strong id="EN-US_TOPIC_0000002203426765__b1541634816522">Not limited</strong></p>
</td>

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<ol id="EN-US_TOPIC_0000002167905936__en-us_topic_0000001076899367_en-us_topic_0274495234_ol97418743611"><li id="EN-US_TOPIC_0000002167905936__en-us_topic_0000001076899367_en-us_topic_0274495234_li15273937108"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002167905936__en-us_topic_0000001076899367_l7a2c772cca54427590580698e8ec2b62"><span>Choose <strong id="EN-US_TOPIC_0000002167905936__b91711148152010">Clusters</strong>. Click the name of a cluster.</span></li><li id="EN-US_TOPIC_0000002167905936__en-us_topic_0000001076899367_l32faa0821c8944959ab1ab63569752f0"><span>Go to the <strong id="EN-US_TOPIC_0000002167905936__b103471353185217">Basic Information</strong> page and click the <strong id="EN-US_TOPIC_0000002167905936__b12347165305215">Resource Management</strong> tab in the navigation pane on the left.</span></li><li id="EN-US_TOPIC_0000002167905936__en-us_topic_0000001076899367_l2239a9bec9274b82b7e42b42a06a715e"><span>Click <strong id="EN-US_TOPIC_0000002167905936__b377120715410">Resource Management Plans</strong> and click the switch button in the plan overview area, and select the target stage.</span><p><p id="EN-US_TOPIC_0000002167905936__p812719810227"><span><img id="EN-US_TOPIC_0000002167905936__image143028852211" src="figure/en-us_image_0000002168066000.png" width="442.89000000000004" height="196.53144" title="Click to enlarge" class="imgResize"></span></p>
</p></li></ol>
</div>
<div class="section" id="EN-US_TOPIC_0000002167905936__section5717116101120"><h4 class="sectiontitle">Importing/Exporting Resource Management Plan Stages</h4><ol id="EN-US_TOPIC_0000002167905936__ol29491718181119"><li id="EN-US_TOPIC_0000002167905936__li169491718151117"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002167905936__li149493186113"><span>Choose <strong id="EN-US_TOPIC_0000002167905936__b904732895">Clusters</strong>. Click the name of a cluster.</span></li><li id="EN-US_TOPIC_0000002167905936__li129503183114"><span>Go to the <strong id="EN-US_TOPIC_0000002167905936__b2933125912525">Basic Information</strong> page and click the <strong id="EN-US_TOPIC_0000002167905936__b5933359175213">Resource Management</strong> tab in the navigation pane on the left.</span></li><li id="EN-US_TOPIC_0000002167905936__li109501318131119"><span>Switch to the <strong id="EN-US_TOPIC_0000002167905936__b206181016534">Resource Management Plans</strong> tab page. In the plan stages area, click <strong id="EN-US_TOPIC_0000002167905936__b961821185313">Import</strong>/<strong id="EN-US_TOPIC_0000002167905936__b86191112538">Export </strong>to import or export a resource management plan stage.</span><p><div class="notice" id="EN-US_TOPIC_0000002167905936__note3950618101114"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><ul id="EN-US_TOPIC_0000002167905936__ul29501118111111"><li id="EN-US_TOPIC_0000002167905936__li99501718121119">Configurations cannot be imported to a running resource management plan.</li><li id="EN-US_TOPIC_0000002167905936__li17950141817115">Ensure there is a resource pool before import.</li></ul>
<div class="section" id="EN-US_TOPIC_0000002167905936__section5717116101120"><h4 class="sectiontitle">Importing/Exporting Resource Management Plan Stages</h4><ol id="EN-US_TOPIC_0000002167905936__ol29491718181119"><li id="EN-US_TOPIC_0000002167905936__li169491718151117"><span>Log in to the GaussDB(DWS) console.</span></li><li id="EN-US_TOPIC_0000002167905936__li149493186113"><span>Choose <strong id="EN-US_TOPIC_0000002167905936__b1982410979">Clusters</strong>. Click the name of a cluster.</span></li><li id="EN-US_TOPIC_0000002167905936__li129503183114"><span>Go to the <strong id="EN-US_TOPIC_0000002167905936__b2933125912525">Basic Information</strong> page and click the <strong id="EN-US_TOPIC_0000002167905936__b5933359175213">Resource Management</strong> tab in the navigation pane on the left.</span></li><li id="EN-US_TOPIC_0000002167905936__li109501318131119"><span>Switch to the <strong id="EN-US_TOPIC_0000002167905936__b206181016534">Resource Management Plans</strong> tab page. In the plan stages area, click <strong id="EN-US_TOPIC_0000002167905936__b961821185313">Import</strong>/<strong id="EN-US_TOPIC_0000002167905936__b86191112538">Export </strong>to import or export a resource management plan stage.</span><p><div class="notice" id="EN-US_TOPIC_0000002167905936__note3950618101114"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><ul id="EN-US_TOPIC_0000002167905936__ul29501118111111"><li id="EN-US_TOPIC_0000002167905936__li99501718121119">Configurations cannot be imported to a running resource management plan.</li><li id="EN-US_TOPIC_0000002167905936__li17950141817115">Ensure there is a resource pool before import.</li></ul>
</div></div>
</p></li></ol>
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<ul id="EN-US_TOPIC_0000002203426557__ul317716151193"><li id="EN-US_TOPIC_0000002203426557__li132549276913">The first manually added logical cluster cannot be deleted.</li></ul>
<ul id="EN-US_TOPIC_0000002203426557__ul143888545718"><li id="EN-US_TOPIC_0000002203426557__li1738818542072">Nodes of the deleted logical cluster are added to the elastic cluster.</li></ul>
<p id="EN-US_TOPIC_0000002203426557__p221873424819"><strong id="EN-US_TOPIC_0000002203426557__b10527184213484">Procedure</strong></p>
<ol id="EN-US_TOPIC_0000002203426557__ol53121716238"><li id="EN-US_TOPIC_0000002203426557__li473519366565"><span>Log in to the GaussDB(DWS) console. In the navigation pane, choose <strong id="EN-US_TOPIC_0000002203426557__b2013212315231">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203426557__b181338302316">Clusters<span id="EN-US_TOPIC_0000002203426557__ph5133839236"><span id="EN-US_TOPIC_0000002203426557__text3132336235"></span></span></strong>.</span></li><li id="EN-US_TOPIC_0000002203426557__li0735193665618"><span>In the cluster list, click the name of the target cluster. The <span class="parmname" id="EN-US_TOPIC_0000002203426557__parmname1699273374"><b>Cluster Information</b></span> page is displayed.</span></li><li id="EN-US_TOPIC_0000002203426557__li3726219112812"><span>In the navigation pane on the left, switch to the <strong id="EN-US_TOPIC_0000002203426557__b79251838327">Logical Clusters</strong> page, locate the row that contains the logical cluster to be deleted, and click <strong id="EN-US_TOPIC_0000002203426557__b792603816210">Delete</strong> in the <strong id="EN-US_TOPIC_0000002203426557__b16926193816218">Operation</strong> column.</span><p><div class="note" id="EN-US_TOPIC_0000002203426557__note1613917515419"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000002203426557__p10139195205412">If a read-only logical cluster is manually deleted, the status of the one-off deletion plan changes to the completed state. For a read-only logical cluster that is bound to a periodic addition or deletion plan, the next execution time in the deletion column of the plan is automatically updated to the next period or the end of the period after the plan is manually deleted.</p>
<ol id="EN-US_TOPIC_0000002203426557__ol53121716238"><li id="EN-US_TOPIC_0000002203426557__li473519366565"><span>Log in to the GaussDB(DWS) console. In the navigation pane, choose <strong id="EN-US_TOPIC_0000002203426557__b2013212315231">Dedicated Clusters</strong> &gt; <strong id="EN-US_TOPIC_0000002203426557__b181338302316">Clusters<span id="EN-US_TOPIC_0000002203426557__ph5133839236"><span id="EN-US_TOPIC_0000002203426557__text3132336235"></span></span></strong>.</span></li><li id="EN-US_TOPIC_0000002203426557__li0735193665618"><span>In the cluster list, click the name of the target cluster. The <span class="parmname" id="EN-US_TOPIC_0000002203426557__parmname2130041569"><b>Cluster Information</b></span> page is displayed.</span></li><li id="EN-US_TOPIC_0000002203426557__li3726219112812"><span>In the navigation pane on the left, switch to the <strong id="EN-US_TOPIC_0000002203426557__b79251838327">Logical Clusters</strong> page, locate the row that contains the logical cluster to be deleted, and click <strong id="EN-US_TOPIC_0000002203426557__b792603816210">Delete</strong> in the <strong id="EN-US_TOPIC_0000002203426557__b16926193816218">Operation</strong> column.</span><p><div class="note" id="EN-US_TOPIC_0000002203426557__note1613917515419"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000002203426557__p10139195205412">If a read-only logical cluster is manually deleted, the status of the one-off deletion plan changes to the completed state. For a read-only logical cluster that is bound to a periodic addition or deletion plan, the next execution time in the deletion column of the plan is automatically updated to the next period or the end of the period after the plan is manually deleted.</p>
</div></div>
</p></li><li id="EN-US_TOPIC_0000002203426557__li203125161318"><span>Confirm that all information is correct and click <strong id="EN-US_TOPIC_0000002203426557__b164144879874330">OK</strong>.</span></li></ol>
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<ul class="ullinks">
<li class="ulchildlink"><strong><a href="dws_01_0002.html">What Is GaussDB(DWS)?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="dws_01_00079.html">Data Warehouse Flavors</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="dws_01_0007.html">Advantages</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="dws_01_00013.html">Application Scenarios</a></strong><br>

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<a name="EN-US_TOPIC_0000001381728549"></a><a name="EN-US_TOPIC_0000001381728549"></a>
<h1 class="topictitle1">Should I Choose Public Cloud GaussDB(DWS) or RDS?</h1>
<div id="body0000001381728549"><p id="EN-US_TOPIC_0000001381728549__en-us_topic_0000001145816541_p371183032613">Both allow you to run traditional relational databases on the cloud and offload database management tasks. RDS databases are useful for OLTP, reporting, and analysis, but are less capable of handling read operations of a large amount of data (complex read-only queries). GaussDB(DWS) significantly reduces OLAP analysis and reporting workloads on large datasets by up to 10 times through its scalable architecture and optimized algorithms, including <strong id="EN-US_TOPIC_0000001381728549__b15611152320411">column storage, vectorized executors, and distributed frameworks</strong>.</p>
<div id="body0000001381728549"><p id="EN-US_TOPIC_0000001381728549__en-us_topic_0000001145816541_p371183032613">Both allow you to run traditional relational databases on the cloud and offload database management tasks. RDS databases are useful for OLTP, reporting, and analysis, but are less capable of handling read operations of a large amount of data (complex read-only queries). GaussDB(DWS) uses multiple nodes and optimization methods like column-based storage, vectorized executors, and distributed frameworks to handle OLAP tasks. This reduces the analysis and reporting workload for large data sets by a significant amount compared to traditional databases.</p>
<p id="EN-US_TOPIC_0000001381728549__en-us_topic_0000001145816541_p18912269115625">You can scale out a GaussDB(DWS) cluster to address complex data and queries, or to handle overwhelming analysis and report workloads that affect OLTP performance.</p>
<p id="EN-US_TOPIC_0000001381728549__en-us_topic_0000001145816541_p65615256553">The following table compares OLTP with OLAP.</p>

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<p id="EN-US_TOPIC_0000001381889057__en-us_topic_0000001098816672_p9552175302320">Service data of GaussDB(DWS) users is stored in the ECSs in the cluster. Neither users nor public cloud O&amp;M administrators can log in to these ECSs.</p>
<p id="EN-US_TOPIC_0000001381889057__en-us_topic_0000001098816672_p1755225392317">ECSs have their operating systems hardened through various measures such as kernel hardening, patch updates, access controls, port management, and protocol and port attack defense.</p>
<p id="EN-US_TOPIC_0000001381889057__en-us_topic_0000001098816672_p15552115322311">GaussDB(DWS) provides comprehensive security measures, such as password policies, authentication, session management, user permissions management, and database auditing.</p>
<div class="section" id="EN-US_TOPIC_0000001381889057__en-us_topic_0000001098816672_section102591944143117"><h4 class="sectiontitle">Snapshot Data Security</h4><p id="EN-US_TOPIC_0000001381889057__en-us_topic_0000001098816672_p19552155312236">GaussDB(DWS) stores its backup data in OBS as snapshots. OBS supports access permission control, key access, and data encryption features. GaussDB(DWS) snapshots can be used for data backup and restoration only and cannot be accessed by any user. The GaussDB (DWS) system administrator can view the OBS storage space occupied by snapshots on the GaussDB(DWS) console and through and public cloud bills.</p>
<div class="section" id="EN-US_TOPIC_0000001381889057__en-us_topic_0000001098816672_section102591944143117"><h4 class="sectiontitle">Snapshot Data Security</h4><p id="EN-US_TOPIC_0000001381889057__en-us_topic_0000001098816672_p19552155312236">GaussDB(DWS) stores its backup data in OBS as snapshots. OBS supports access permission control, key access, and data encryption features. GaussDB(DWS) snapshots can be used for data backup and restoration only and cannot be accessed by any user. The GaussDB(DWS) system administrator can view the OBS storage space occupied by snapshots on the GaussDB(DWS) console and through public cloud bills.</p>
</div>
<div class="section" id="EN-US_TOPIC_0000001381889057__en-us_topic_0000001098816672_section1858424814313"><h4 class="sectiontitle">Network Access Security</h4><p id="EN-US_TOPIC_0000001381889057__en-us_topic_0000001098816672_p564141415478">The L2 and L3 networks of GaussDB(DWS) can be fully isolated to meet the security requirements of government and financial customers.</p>
<ul id="EN-US_TOPIC_0000001381889057__en-us_topic_0000001098816672_ul1839115393538"><li id="EN-US_TOPIC_0000001381889057__en-us_topic_0000001098816672_li1139093955311">GaussDB(DWS) is deployed in a dedicated ECS environment, which is not shared with any other tenant. This eliminates the possibility of data leakage caused by computing resource sharing.</li><li id="EN-US_TOPIC_0000001381889057__en-us_topic_0000001098816672_li11391103912530">ECSs in a GaussDB(DWS) cluster are isolated through VPCs, preventing the ECSs from being discovered and accessed by other tenants.</li><li id="EN-US_TOPIC_0000001381889057__en-us_topic_0000001098816672_li123919396535">The network is divided into the service plane and management plane. The two planes are physically isolated, ensuring network security.</li><li id="EN-US_TOPIC_0000001381889057__en-us_topic_0000001098816672_li33913399537">The tenants can flexibly customize the security group and access rules.</li></ul>

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</li>
<li class="ulchildlink"><strong><a href="dws_03_2114.html">Which Factors Affect Single-Table Query Performance in GaussDB(DWS)?</a></strong><br>
</li>
<li class="ulchildlink"><strong><a href="dws_03_2116.html">How Do I Optimize a SQL Query with Many CASE WHEN Conditions?</a></strong><br>
</li>
</ul>
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<h1 class="topictitle1">How Do I Grant the Permissions of a Schema to a Specified GaussDB(DWS) User?</h1>
<div id="body0000001330808760"><p id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_p727921318196">This section explains how to give query permission for schema-level permissions. If you need other permissions, see <span id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_ph363413521358">"How Do I Grant Table Permissions to a User?" in FAQ.</span></p>
<ul id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_ul49631528181910"><li id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_li154565610310">Permission for a table in a schema</li><li id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_li15963162811198">Permission for all the tables in a schema</li><li id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_li109636288191">Permission for tables to be created in the schema</li></ul>
<ul id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_ul49631528181910"><li id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_li154565610310">Permission for a table in a schema</li><li id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_li15963162811198">Permission for all the tables in a schema</li><li id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_li109636288191">Permission for tables to be created in the schema<div class="caution" id="EN-US_TOPIC_0000001330808760__note11764212332"><span class="cautiontitle"><img src="public_sys-resources/caution_3.0-en-us.png"> </span><div class="cautionbody"><p id="EN-US_TOPIC_0000001330808760__p373854413425">The VACUUM, DROP, and ALTER permissions on foreign tables cannot be granted to users.</p>
</div></div>
</li></ul>
<p id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_p79321327998">Assume that there are users <strong id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_b629793423714">jim</strong> and <strong id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_b6161135193712">mike</strong>, and two schemas named after them. User <strong id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_b19946135610374">mike</strong> needs to access tables in schema <strong id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_b364159143714">jim</strong>, as shown in <a href="#EN-US_TOPIC_0000001330808760__fig85201744134414">Figure 1</a>.</p>
<div class="fignone" id="EN-US_TOPIC_0000001330808760__fig85201744134414"><a name="EN-US_TOPIC_0000001330808760__fig85201744134414"></a><a name="fig85201744134414"></a><span class="figcap"><b>Figure 1 </b>User <strong id="EN-US_TOPIC_0000001330808760__b1288668010">mike</strong> accesses a table in SCHEMA <strong id="EN-US_TOPIC_0000001330808760__b36381910318">jim</strong>.</span><br><span><img id="EN-US_TOPIC_0000001330808760__image1733253012440" src="figure/en-us_image_0000001936081689.png" width="523.6875" height="334.57067700000005" title="Click to enlarge" class="imgResize"></span></div>
<p id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_p1992675371917"></p>
@ -44,7 +46,7 @@
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001330808760__p18763812921"><span><img id="EN-US_TOPIC_0000001330808760__image45837136212" src="figure/en-us_image_0000001936109033.png" width="523.6875" height="43.183637" title="Click to enlarge" class="imgResize"></span></p>
</p></li><li id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_li398520110127"><span>In the session started by user <strong id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_b1568473334913">dbadmin</strong>, grant user <strong id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_b6684233174913">mike</strong> the permission to query the tables to be created in schema <strong id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_b18684163316493">jim</strong>. Create table <strong id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_b875765074912">jim.hobby</strong>.</span><p><div class="p" id="EN-US_TOPIC_0000001330808760__p68618382563"><div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_screen1847863741311"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
</p></li><li id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_li398520110127"><span>In the session started by user <strong id="EN-US_TOPIC_0000001330808760__b157215229406">dbadmin</strong>, grant user <strong id="EN-US_TOPIC_0000001330808760__b1857302213406">mike</strong> the permission to query the tables to be created in schema <strong id="EN-US_TOPIC_0000001330808760__b4573192215407">jim</strong>. Create table <strong id="EN-US_TOPIC_0000001330808760__b10573112254016">jim.hobby</strong>.</span><p><div class="p" id="EN-US_TOPIC_0000001330808760__p68618382563"><div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001330808760__en-us_topic_0000001239662887_screen1847863741311"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">ALTER</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="k">PRIVILEGES</span><span class="w"> </span><span class="k">FOR</span><span class="w"> </span><span class="k">ROLE</span><span class="w"> </span><span class="n">jim</span><span class="w"> </span><span class="k">IN</span><span class="w"> </span><span class="k">SCHEMA</span><span class="w"> </span><span class="n">jim</span><span class="w"> </span><span class="k">GRANT</span><span class="w"> </span><span class="k">SELECT</span><span class="w"> </span><span class="k">ON</span><span class="w"> </span><span class="n">TABLES</span><span class="w"> </span><span class="k">TO</span><span class="w"> </span><span class="n">mike</span><span class="p">;</span>
<span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="n">jim</span><span class="p">.</span><span class="n">hobby</span><span class="w"> </span><span class="p">(</span><span class="n">c1</span><span class="w"> </span><span class="nb">int</span><span class="p">,</span><span class="w"> </span><span class="n">c2</span><span class="w"> </span><span class="nb">int</span><span class="p">);</span>
</pre></div></td></tr></table></div>

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