How Do I Select Instance Specifications and Nodes?

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.

For a cluster instance with one vCPU, select 16 GB of memory for better performance.
For replica sets instances, the most popular configurations are listed as recommended for your convenience. For details, see Buying a Replica Set Instance > Quick Config.

Parent topic: Creation and Deletion

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