forked from docs/doc-exports
Lu, Huayi
c5fcb46315
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
27 lines
2.9 KiB
HTML
27 lines
2.9 KiB
HTML
<a name="EN-US_TOPIC_0000001146786552"></a><a name="EN-US_TOPIC_0000001146786552"></a>
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<h1 class="topictitle1">How Can I Upgrade or Downgrade GaussDB(DWS)?</h1>
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<div id="body8662426"><p id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_p4388530815716">Cluster patching or upgrading is automatic because GaussDB(DWS) upgrades its own version.</p>
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<p id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_p5942345515716">For service patch:</p>
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<ul id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_ul3865489315824"><li id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_li1027067015824">Duration: less than 10 minutes</li><li id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_li857124515824">Impact on services: 1 to 3 minutes of interruptions</li></ul>
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<p id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_p3448180315716">For service upgrade:</p>
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<ul id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_ul5315405915828"><li id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_li1360771515828">Duration: less than 30 minutes</li><li id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_li2543351815828">Impact on services: The database cannot be accessed.</li></ul>
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<p id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_p3851976515716">Downgrade is not supported.</p>
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<div class="note" id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_note2488161594918"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_p1448801517493">The following figure describes the database version.</p>
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<p id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_p129101476225"><span><img id="EN-US_TOPIC_0000001146786552__image23309210172952" src="figure/en-us_image_0000001192706523.png" width="234.41250000000002" height="178.6722" title="Click to enlarge" class="imgResize"></span></p>
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<ul id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_ul17243116115012"><li id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_li192431216155019">During service patch, the last digit of database version <em id="EN-US_TOPIC_0000001146786552__i842352697165623_1">X.X.X</em> is changed, for example, the database is upgraded from 1.1.0 to 1.1.1.</li><li id="EN-US_TOPIC_0000001146786552__en-us_topic_0000001098656856_li42438160505">During service upgrade, the first two digits of database version <em id="EN-US_TOPIC_0000001146786552__i842352697165623_3">X.X.X</em> are changed, for example, the database is upgraded from 1.1.0 to 1.2.0.</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="dws_03_0029.html">Cluster Management</a></div>
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</div>
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</div>
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