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New – Rightsizing Recommendations for Amazon RDS MySQL and RDS PostgreSQL in AWS Compute Optimizer

Cloud Financial Management Blog



This article announces new rightsizing recommendations for Amazon RDS MySQL and PostgreSQL databases in AWS Compute Optimizer. The recommendations help detect idle RDS instances and identify optimal instance types and provisioned IOPS settings to reduce costs for overprovisioned or increase performance for underprovisioned workloads.

Specifically, the article covers:

  • Introduction of RDS instance recommendations including options for x86 and Graviton instances along with current vs recommended cost and specification comparisons
  • Introduction of RDS storage recommendations suggesting storage type upgrades (e.g. gp3 from gp2) and provisioned IOPS settings for io1 volumes
  • How recommendations are generated by analyzing CloudWatch and RDS Performance Insights metrics over configurable lookback periods
  • Ability to access recommendations through the Compute Optimizer console or API
  • Integration of RDS recommendations into Cost Optimization Hub for cross-account, region view along with other optimization opportunities
  • Conclusion highlighting the potential to balance cost and performance for RDS workloads


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