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distributed-database-middle.../umn/source/shard_configuration/assessment.rst
proposalbot 78ac771d84 Changes to ddm_umn from docs/doc-exports#613 (DDM UMN 1st version 
DDM UMN 1st v

Reviewed-by: Wagner, Fabian <fabian.wagner@t-systems.com>
Co-authored-by: proposalbot <proposalbot@otc-service.com>
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2024-01-08 13:37:20 +00:00

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Assessment

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.

  • Data volume: Run show db status to query the volume of data involved.
  • DDM node class: Determine nodes of the DDM instance and vCPUs and memory size of each node.
  • Data node class: Determine the number of data nodes and vCPUs and memory size of each node.
  • Business scale: Analyze current service scale and growth trend.