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Help Center/ Document Database Service/ FAQs/ Creation and Deletion/ How Do I Select Instance Specifications and Nodes?

How Do I Select Instance Specifications and Nodes?

Updated on 2022-09-22 GMT+08:00
  • Higher specifications can provide better performance. For details about the instance specifications supported by DDS, see Instance Specifications.
  • For any given set of instance specifications, more nodes provide better performance. For details about performance, see Performance White Paper.
  • Select specifications that can meet your service requirements based on test data and reserve some extra resources for reliability and future service growth.
NOTE:
  • For a cluster instance with one vCPU, select 16 GB of memory for better performance.
  • For replica sets and single node instances, the most popular configurations are listed as recommended for your convenience. For details, see Buying a Replica Set Instance and Buying a Single Node Instance.
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