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chenxiaoxiong
f9e2808b7c
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: chenxiaoxiong <chenxiaoxiong@huawei.com> Co-committed-by: chenxiaoxiong <chenxiaoxiong@huawei.com>
144 lines
17 KiB
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144 lines
17 KiB
HTML
<a name="dataartsstudio_01_1305"></a><a name="dataartsstudio_01_1305"></a>
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<h1 class="topictitle1">Host Connection Parameters</h1>
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<div id="body0000001503446532">
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="dataartsstudio_01_1305__en-us_topic_0103403019_table2958557716244" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Host Connection parameters</caption><thead align="left"><tr id="dataartsstudio_01_1305__en-us_topic_0103403019_row698843916244"><th align="left" class="cellrowborder" valign="top" width="21.81%" id="mcps1.3.1.2.4.1.1"><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p2919269016244">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="9.629999999999999%" id="mcps1.3.1.2.4.1.2"><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p1579766516244">Mandatory</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="68.56%" id="mcps1.3.1.2.4.1.3"><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p454247716244">Description</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="dataartsstudio_01_1305__row34091053155914"><td class="cellrowborder" valign="top" width="21.81%" headers="mcps1.3.1.2.4.1.1 "><p id="dataartsstudio_01_1305__p187882052124512">Data Connection Type</p>
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</td>
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<td class="cellrowborder" valign="top" width="9.629999999999999%" headers="mcps1.3.1.2.4.1.2 "><p id="dataartsstudio_01_1305__p4788145294511">Yes</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.56%" headers="mcps1.3.1.2.4.1.3 "><p id="dataartsstudio_01_1305__p5788165212458"><strong id="dataartsstudio_01_1305__b95251729103211">Host Connection</strong> is selected by default and cannot be changed.</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__en-us_topic_0103403019_row1415194384512"><td class="cellrowborder" valign="top" width="21.81%" headers="mcps1.3.1.2.4.1.1 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p12415343124519">Name</p>
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</td>
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<td class="cellrowborder" valign="top" width="9.629999999999999%" headers="mcps1.3.1.2.4.1.2 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p10415184317451">Yes</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.56%" headers="mcps1.3.1.2.4.1.3 "><p id="dataartsstudio_01_1305__p10487624232">Name of the data connection to create. Data connection names can contain a maximum of 100 characters. They can contain only letters, digits, underscores (_), and hyphens (-).</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__row8195152412467"><td class="cellrowborder" valign="top" width="21.81%" headers="mcps1.3.1.2.4.1.1 "><p id="dataartsstudio_01_1305__p1817419281801">Tag</p>
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</td>
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<td class="cellrowborder" valign="top" width="9.629999999999999%" headers="mcps1.3.1.2.4.1.2 "><p id="dataartsstudio_01_1305__p185521834204616">No</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.56%" headers="mcps1.3.1.2.4.1.3 "><div class="p" id="dataartsstudio_01_1305__p194874211237">Attribute of the data connection to create. Tags make management easier.<div class="note" id="dataartsstudio_01_1305__en-us_topic_0000001554166437_note97121765158"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="dataartsstudio_01_1305__en-us_topic_0000001554166437_p107124612153">The tag name can contain only letters, digits, and underscores (_) and cannot start with an underscore (_) or contain more than 100 characters.</p>
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</div></div>
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</div>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__row13284133013018"><td class="cellrowborder" valign="top" width="21.81%" headers="mcps1.3.1.2.4.1.1 "><p id="dataartsstudio_01_1305__p1313102611386">Applicable Modules</p>
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</td>
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<td class="cellrowborder" valign="top" width="9.629999999999999%" headers="mcps1.3.1.2.4.1.2 "><p id="dataartsstudio_01_1305__p1013192653810">Yes</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.56%" headers="mcps1.3.1.2.4.1.3 "><p id="dataartsstudio_01_1305__p1313192653818">Select the modules for which this connection is available.</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__row949517556014"><td class="cellrowborder" colspan="3" valign="top" headers="mcps1.3.1.2.4.1.1 mcps1.3.1.2.4.1.2 mcps1.3.1.2.4.1.3 "><p id="dataartsstudio_01_1305__p1750285515010"><strong id="dataartsstudio_01_1305__b19163862964658">Basic and Network Connectivity Configuration</strong></p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__en-us_topic_0103403019_row157315223542"><td class="cellrowborder" valign="top" width="21.81%" headers="mcps1.3.1.2.4.1.1 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p2941507316244">Host Address</p>
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</td>
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<td class="cellrowborder" valign="top" width="9.629999999999999%" headers="mcps1.3.1.2.4.1.2 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p3381070216244">Yes</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.56%" headers="mcps1.3.1.2.4.1.3 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p5431232316244">IP address of the Linux host</p>
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<p id="dataartsstudio_01_1305__p5431232316244">For details, see section "Viewing Details About an ECS" in <i><cite id="dataartsstudio_01_1305__cite1193605419576">Elastic Cloud Server User Guide</cite></i>.</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__row480717152356"><td class="cellrowborder" valign="top" width="21.81%" headers="mcps1.3.1.2.4.1.1 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p6650488816244">Agent</p>
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</td>
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<td class="cellrowborder" valign="top" width="9.629999999999999%" headers="mcps1.3.1.2.4.1.2 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p1818686216244">Yes</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.56%" headers="mcps1.3.1.2.4.1.3 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p1701417994541">CDM cluster used as an agent. If no CDM cluster is available, create one first by referring to <a href="dataartsstudio_01_0576.html">Creating a CDM Cluster</a>. </p>
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<div class="note" id="dataartsstudio_01_1305__note1392318163014"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="dataartsstudio_01_1305__ul1676017331429"><li id="dataartsstudio_01_1305__li13534389213"><p id="dataartsstudio_01_1305__p5270642927"><a name="dataartsstudio_01_1305__li13534389213"></a><a name="li13534389213"></a>If a CDM cluster functions as the agent for a data connection in Management Center, the cluster supports a maximum of 200 concurrent active threads. If multiple data connections share an agent, a maximum of 200 SQL, Shell, and Python scripts submitted through the connections can run concurrently. Excess tasks will be queued. You are advised to plan multiple agents based on the workload.</p>
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</li><li id="dataartsstudio_01_1305__li1476012331021">When scheduling shell or Python scripts, the agent accesses the ECS. If shell and Python scripts are scheduled frequently, the ECS adds the private IP address of the agent to the blocklist. To ensure normal job scheduling, you are advised to use the <strong id="dataartsstudio_01_1305__b91441110203311">root</strong> user of the ECS to add the private IP address bound to the agent (CDM cluster) to the <strong id="dataartsstudio_01_1305__b15694153319342">/etc/hosts.allow</strong> file.<p id="dataartsstudio_01_1305__p37031362026">For details about how to obtain the private IP address of the CDM cluster, see <a href="dataartsstudio_01_0587.html">Viewing and Modifying CDM Cluster Configurations</a>.</p>
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</li></ul>
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</div></div>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__en-us_topic_0103403019_row1243664618549"><td class="cellrowborder" valign="top" width="21.81%" headers="mcps1.3.1.2.4.1.1 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p6656306216244">Port</p>
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</td>
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<td class="cellrowborder" valign="top" width="9.629999999999999%" headers="mcps1.3.1.2.4.1.2 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p2289891916244">Yes</p>
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<td class="cellrowborder" valign="top" width="68.56%" headers="mcps1.3.1.2.4.1.3 "><p id="dataartsstudio_01_1305__p18398254123410">SSH port number of the host.</p>
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<p id="dataartsstudio_01_1305__en-us_topic_0103403019_p5031431816244">By default, port 22 is used to log in to a Linux host. If the port number has been changed, you can obtain the new port number from the <strong id="dataartsstudio_01_1305__b54299461411">port</strong> field in the <strong id="dataartsstudio_01_1305__b95051771629">/etc/ssh/sshd_config</strong> file.</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__row5550153012386"><td class="cellrowborder" valign="top" width="21.81%" headers="mcps1.3.1.2.4.1.1 "><p id="dataartsstudio_01_1305__en-us_topic_0141836082_p8895642919">KMS Key</p>
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</td>
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<td class="cellrowborder" valign="top" width="9.629999999999999%" headers="mcps1.3.1.2.4.1.2 "><p id="dataartsstudio_01_1305__en-us_topic_0141836082_p188456152916">Yes</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.56%" headers="mcps1.3.1.2.4.1.3 "><div class="p" id="dataartsstudio_01_1305__p4476133012514">KMS key used to encrypt and decrypt data source authentication information. Select a default or custom key.<div class="note" id="dataartsstudio_01_1305__en-us_topic_0000001554166437_note5782131311013"><span class="notetitle"> NOTE: </span><div class="notebody"><ul id="dataartsstudio_01_1305__en-us_topic_0000001554166437_ul15258512511"><li id="dataartsstudio_01_1305__en-us_topic_0000001554166437_li652514518257">When you use KMS for encryption through DataArts Studio or KPS for the first time, the default key <strong id="dataartsstudio_01_1305__en-us_topic_0000001554166437_b10282246320">dlf/default</strong> or <strong id="dataartsstudio_01_1305__en-us_topic_0000001554166437_b7601112203216">kps/default</strong> is automatically generated. For more information about default keys, see "What Is a Default Master Key?" in <em id="dataartsstudio_01_1305__en-us_topic_0000001554166437_i155895285215">Data Encryption Workshop FAQs</em>.</li><li id="dataartsstudio_01_1305__en-us_topic_0000001554166437_li694815818253">Only symmetric keys are supported. Asymmetric keys are not supported.</li></ul>
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</div></div>
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</div>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__row838910211747"><td class="cellrowborder" colspan="3" valign="top" headers="mcps1.3.1.2.4.1.1 mcps1.3.1.2.4.1.2 mcps1.3.1.2.4.1.3 "><p id="dataartsstudio_01_1305__p1639016211420"><strong id="dataartsstudio_01_1305__b130012781242244">Data Source Authentication and Other Function Configuration</strong></p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__en-us_topic_0103403019_row48987972162438"><td class="cellrowborder" valign="top" width="21.81%" headers="mcps1.3.1.2.4.1.1 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p8602767162438">Username</p>
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</td>
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<td class="cellrowborder" valign="top" width="9.629999999999999%" headers="mcps1.3.1.2.4.1.2 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p25735531162438">Yes</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.56%" headers="mcps1.3.1.2.4.1.3 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p4203263162438">Username for logging in to the host</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__en-us_topic_0103403019_row6514118195516"><td class="cellrowborder" valign="top" width="21.81%" headers="mcps1.3.1.2.4.1.1 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p115140810551">Login Mode</p>
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</td>
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<td class="cellrowborder" valign="top" width="9.629999999999999%" headers="mcps1.3.1.2.4.1.2 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p1514158145510">Yes</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.56%" headers="mcps1.3.1.2.4.1.3 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p751413812555">Mode for logging in to the host</p>
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<ul id="dataartsstudio_01_1305__en-us_topic_0103403019_ul198581920145512"><li id="dataartsstudio_01_1305__en-us_topic_0103403019_li18285354552">Key Pair</li><li id="dataartsstudio_01_1305__en-us_topic_0103403019_li98581920185516">Password</li></ul>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__en-us_topic_0103403019_row117811710115613"><td class="cellrowborder" valign="top" width="21.81%" headers="mcps1.3.1.2.4.1.1 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p127811010145616">Key Pair</p>
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</td>
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<td class="cellrowborder" valign="top" width="9.629999999999999%" headers="mcps1.3.1.2.4.1.2 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p14781111015617">Yes</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.56%" headers="mcps1.3.1.2.4.1.3 "><p id="dataartsstudio_01_1305__p154393289386">This parameter is available only when <span class="parmname" id="dataartsstudio_01_1305__parmname72814281502"><b>Login Mode</b></span> is set to <span class="parmvalue" id="dataartsstudio_01_1305__parmvalue1628122845015"><b>Key Pair</b></span>.</p>
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<p id="dataartsstudio_01_1305__en-us_topic_0103403019_p20781101012568">If <strong id="dataartsstudio_01_1305__b44431731143513">Key Pair</strong> is the login mode of the host, you need to obtain the private key file, upload it to OBS, and select an OBS path.</p>
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<div class="note" id="dataartsstudio_01_1305__note3103389420"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="dataartsstudio_01_1305__p15285039173320">The uploaded private key must match the public key configured on the host. For details, see "Passwords and Key Pairs" > "Key Pairs" > "Application Scenarios for Using Key Pairs" in <em id="dataartsstudio_01_1305__i129783813353">Elastic Cloud Server User Guide</em>.</p>
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</div></div>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__en-us_topic_0103403019_row12112215812"><td class="cellrowborder" valign="top" width="21.81%" headers="mcps1.3.1.2.4.1.1 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p417210585">Key Pair Password</p>
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</td>
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<td class="cellrowborder" valign="top" width="9.629999999999999%" headers="mcps1.3.1.2.4.1.2 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p7118217580">Yes</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.56%" headers="mcps1.3.1.2.4.1.3 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p214215817">If no password is set for the key pair, you do not need to set this parameter.</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__en-us_topic_0103403019_row3239631716244"><td class="cellrowborder" valign="top" width="21.81%" headers="mcps1.3.1.2.4.1.1 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p685599316244">Password</p>
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</td>
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<td class="cellrowborder" valign="top" width="9.629999999999999%" headers="mcps1.3.1.2.4.1.2 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p1846458616244">Yes</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.56%" headers="mcps1.3.1.2.4.1.3 "><p id="dataartsstudio_01_1305__p20281162519397">This parameter is available only when <span class="parmname" id="dataartsstudio_01_1305__parmname10989946195012"><b>Login Mode</b></span> is set to <span class="parmvalue" id="dataartsstudio_01_1305__parmvalue1398916464508"><b>Password</b></span>.</p>
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<p id="dataartsstudio_01_1305__en-us_topic_0103403019_p1923653616244">If the login mode of the host is to use a password, enter a login password.</p>
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</td>
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</tr>
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<tr id="dataartsstudio_01_1305__en-us_topic_0103403019_row64121748965"><td class="cellrowborder" valign="top" width="21.81%" headers="mcps1.3.1.2.4.1.1 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p134128481466">Host Connection Description</p>
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</td>
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<td class="cellrowborder" valign="top" width="9.629999999999999%" headers="mcps1.3.1.2.4.1.2 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p1041218487615">No</p>
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</td>
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<td class="cellrowborder" valign="top" width="68.56%" headers="mcps1.3.1.2.4.1.3 "><p id="dataartsstudio_01_1305__en-us_topic_0103403019_p1041215487620">Descriptive information about the host connection</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="notice" id="dataartsstudio_01_1305__note1340214149389"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><ul id="dataartsstudio_01_1305__ul1732011438531"><li id="dataartsstudio_01_1305__li132074355319">The maximum number of shell or Python scripts that can run concurrently on the ECS is determined by the value of <strong id="dataartsstudio_01_1305__b744231917314">MaxSessions</strong> in the <strong id="dataartsstudio_01_1305__b18801517103811">/etc/ssh/sshd_config</strong> file on the ECS. Set <strong id="dataartsstudio_01_1305__b1357831103217">MaxSessions</strong> based on the scheduling frequency of shell or Python scripts.</li><li id="dataartsstudio_01_1305__li632094385319">You have the permission to create and execute files in the <strong id="dataartsstudio_01_1305__b84586912349">/tmp</strong> directory on the host.</li><li id="dataartsstudio_01_1305__li2595194372315">Shell and Python scripts are executed in the <strong id="dataartsstudio_01_1305__b17727195642316">/tmp</strong> directory on an ECS. Ensure that the disk space of the <strong id="dataartsstudio_01_1305__b15640427112413">/tmp</strong> directory is not used up.</li></ul>
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</div></div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="dataartsstudio_01_0009.html">Configuring DataArts Studio Data Connection Parameters</a></div>
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</div>
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</div>
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