forked from docs/doc-exports
Ru, Li Yi
4b09a03a51
Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com> Co-authored-by: Ru, Li Yi <liyiru7@huawei.com> Co-committed-by: Ru, Li Yi <liyiru7@huawei.com>
13 lines
1.1 KiB
HTML
13 lines
1.1 KiB
HTML
<a name="ddm_03_0069"></a><a name="ddm_03_0069"></a>
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<h1 class="topictitle1">Assessment</h1>
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<div id="body0000001321520753"><p id="ddm_03_0069__p8060118">Before changing shards, you need to carry out a preliminary evaluation and determine the number of new shards, whether to scale up the current DDM node class, and the number of required data nodes and their specifications.</p>
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<ul id="ddm_03_0069__ul105501527163316"><li id="ddm_03_0069__li15550627153310">Data volume: Run <strong id="ddm_03_0069__b762917312117">show db status</strong> to query the volume of data involved.</li><li id="ddm_03_0069__li1061613242435">DDM node class: Determine nodes of the DDM instance and vCPUs and memory size of each node.</li><li id="ddm_03_0069__li7550182733313">Data node class: Determine the number of data nodes and vCPUs and memory size of each node.</li><li id="ddm_03_0069__li555082713339">Business scale: Analyze current service scale and growth trend.</li></ul>
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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="ddm_03_0131.html">Shard Configuration</a></div>
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</div>
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</div>
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