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Wang , Deng Ke
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Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Wang , Deng Ke <wangdengke2@huawei.com> Co-committed-by: Wang , Deng Ke <wangdengke2@huawei.com>
20 lines
4.7 KiB
HTML
20 lines
4.7 KiB
HTML
<a name="dds_03_0014"></a><a name="dds_03_0014"></a>
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<h1 class="topictitle1">Changing Associated Parameter Group</h1>
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<div id="body8662426"><div class="section" id="dds_03_0014__section44721983185853"><h4 class="sectiontitle"><strong id="dds_03_0014__b84235270694112">Scenarios</strong></h4><p id="dds_03_0014__p21933608185857">After a DB instance is created, you can change the parameter group associated with the DB instance to achieve optimal performance. The parameter group associated with the DB instance cannot be changed in any of the following cases:</p>
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<ul id="dds_03_0014__ul1077617197498"><li id="dds_03_0014__li1877913191490">A DB instance is being restarted.</li><li id="dds_03_0014__li1678016193491">A backup file is being created.</li><li id="dds_03_0014__li478201994918">Cluster instance nodes are being added.</li><li id="dds_03_0014__li2783719104913">The storage space is being expanded.</li><li id="dds_03_0014__li14786219204918">The instance class is being changed.</li><li id="dds_03_0014__li13787181954911">An SSL connection is being enabled or disabled.</li><li id="dds_03_0014__li1078916198499">The port is being changed.</li></ul>
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</div>
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<div class="section" id="dds_03_0014__en-us_topic_0055918187_section58363492163438"><h4 class="sectiontitle">Cluster</h4><ol id="dds_03_0014__en-us_topic_0055918187_ol58851625154848"><li id="dds_03_0014__li312682313217"><span><a href="dds_02_0043.html">Log in to the DDS console.</a></span></li><li id="dds_03_0014__en-us_topic_0055918187_li35208427154856"><span>On the <strong id="dds_03_0014__b488515313205">Instance Management</strong> page, click the target cluster instance.</span></li><li id="dds_03_0014__li337885035317"><span>In the <span class="parmname" id="dds_03_0014__parmname76964790515178_1"><b>Node Information</b></span> area on the <span class="parmname" id="dds_03_0014__parmname769647905194034_1"><b>Basic Information</b></span> page, click <span class="uicontrol" id="dds_03_0014__uicontrol230942777152240_1"><b>mongos</b></span>, <span class="uicontrol" id="dds_03_0014__uicontrol230942777152249_1"><b>shard</b></span>, or <span class="uicontrol" id="dds_03_0014__uicontrol230942777152312_1"><b>config</b></span>, locate the target node, and click <span class="uicontrol" id="dds_03_0014__uicontrol23094277710427_1"><b>Change Parameter Group</b></span>.</span></li><li id="dds_03_0014__en-us_topic_0055918187_li46204840154848"><span>On the displayed dialog box, select the parameter group to be modified and click <strong id="dds_03_0014__b84235270617255">OK</strong>. </span><p><ul id="dds_03_0014__ul71605691990"><li id="dds_03_0014__li547541631990">If the static parameter value is changed in the new parameter group, restart the instance for the modification to take effect.</li><li id="dds_03_0014__li411167841992">If no parameter groups are available for <strong id="dds_03_0014__en-us_topic_0055918187_b84235270611570">New Parameter Group</strong>, create a parameter group. For details, see section <a href="en-us_topic_parameter_group.html">Creating a Parameter Group</a>.</li></ul>
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</p></li></ol>
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</div>
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<div class="section" id="dds_03_0014__section8401914192859"><h4 class="sectiontitle">Replica Set</h4><ol id="dds_03_0014__ol9466413192859"><li id="dds_03_0014__li163251523123013"><span><a href="dds_02_0043.html">Log in to the DDS console.</a></span></li><li id="dds_03_0014__li18088854192859"><span>On the <span class="uicontrol" id="dds_03_0014__uicontrol230942777193140"><b>Instance Management</b></span> page, locate the target replica set instance, and choose <strong id="dds_03_0014__b842352706142116">More</strong> > <span class="uicontrol" id="dds_03_0014__uicontrol230942777193256"><b>Change Parameter Group</b></span> in the <strong id="dds_03_0014__b84235270619336">Operation</strong> column.</span></li><li id="dds_03_0014__li36825099192859"><span>On the displayed dialog box, select the parameter group to be modified and click <strong id="dds_03_0014__b84235270617255_1">OK</strong>.</span><p><ul id="dds_03_0014__en-us_topic_0085473006_ul71605691990"><li id="dds_03_0014__en-us_topic_0085473006_li547541631990">If the static parameter value is changed in the new parameter group, restart the instance for the modification to take effect.</li><li id="dds_03_0014__en-us_topic_0085473006_li411167841992">If no parameter groups are available for <strong id="dds_03_0014__en-us_topic_0055918187_b84235270611570_1">New Parameter Group</strong>, create a parameter group. For details, see section <a href="en-us_topic_parameter_group.html">Creating a Parameter Group</a>.</li></ul>
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</p></li></ol>
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</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="dds_03_0010.html">Parameter Group</a></div>
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</div>
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</div>
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