AWS Certified DevOps Engineer – ProfessionalIncident and Event ResponseMedium
A company uses Amazon Aurora MySQL for its critical database. They need to analyze slow query performance and identify resource bottlenecks during peak traffic periods. The solution must provide detailed insights into SQL queries, execution plans, and wait events without significantly impacting database performance. Which AWS service should the DevOps team enable and configure?
- AAurora Global Database for read replica metrics.
- BAWS X-Ray with database integration.
- CAmazon RDS Performance Insights.
- DAmazon CloudWatch Logs for Aurora audit logs.
Show answer & explanationAnswer & explanation
Correct answer: C. Amazon RDS Performance Insights.
Amazon RDS Performance Insights is specifically designed for this scenario. It provides a visual dashboard to monitor database load, identify slow queries, analyze wait events, and pinpoint resource bottlenecks in real-time, with minimal impact on database performance. It goes beyond basic metrics to offer deep query-level insights.
Why the other options are wrong
- A. Aurora Global Database provides disaster recovery and read scaling, but it doesn't offer specific tools for detailed slow query analysis or bottleneck identification on the primary database beyond standard metrics.
- B. X-Ray traces application requests but its database integration primarily shows the time spent in database calls, not detailed SQL query analysis or wait events within the database itself.
- D. Aurora audit logs in CloudWatch Logs provide a record of database activity for security and compliance but do not offer a visual, real-time performance analysis of queries and wait events.
Amazon RDS Performance Insights
Amazon RDS Performance Insights is a database performance monitoring feature that helps you quickly assess the load on your database and determine where to focus your analysis if there is a performance issue.
- Visualizes database load and wait events.
- Identifies top SQL queries by load.
- Minimal performance impact on the database.
Memory trick: Performance Insights, a clear view, for slow queries, it helps you through.