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Optimize and troubleshoot database performance in Amazon Aurora PostgreSQL by analyzing execution plans using CloudWatch Database Insights

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This article discusses how to optimize and troubleshoot database performance in Amazon Aurora PostgreSQL using CloudWatch Database Insights, focusing on analyzing SQL execution plans.

  • CloudWatch Database Insights helps identify and resolve database performance issues by providing detailed execution plan analysis
  • The tool allows side-by-side comparison of SQL execution plans to detect performance changes
  • Key use cases include:
    • Detecting dropped indexes
    • Identifying suboptimal query execution strategies
    • Analyzing sorting and join performance
  • The article demonstrates how to use the tool to:
    • Compare execution plans across different time periods
    • Diagnose performance bottlenecks
    • Optimize query performance by adjusting database parameters

CloudWatch Database Insights provides a powerful solution for database administrators to quickly identify and resolve performance issues in Aurora PostgreSQL.

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