# Metrics reference for Amazon RDS
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In this reference, you can find descriptions of Amazon RDS metrics for Amazon CloudWatch, the Performance Insights API, and Enhanced Monitoring.

**Topics**
+ [Amazon CloudWatch metrics for Amazon RDS](rds-metrics.md)
+ [Amazon CloudWatch dimensions for Amazon RDS](dimensions.md)
+ [Amazon CloudWatch metrics for Amazon RDS Performance Insights](USER_PerfInsights.Cloudwatch.md)
+ [Detailed Database Metrics](USER_PerfInsights_Counters.md)
+ [SQL statistics for Performance Insights](sql-statistics.md)
+ [OS metrics in Enhanced Monitoring](USER_Monitoring-Available-OS-Metrics.md)