Summary
In this chapter, we learned about how to use CloudWatch to monitor your databases running in AWS. CloudWatch offers a powerful and highly customizable setup of tools, such as dashboards, alarms, and anomaly detection, to finely tune your alerts and monitoring across your database estate.
We learned how to use Enhanced Monitoring to be able to closely monitor the health and performance of the virtual machines that run our RDS databases to help diagnose performance issues more accurately.
Finally, we learned how to use Performance Insights to graphically see ongoing and real-time performance metrics at the query level to help identify the root cause of any database performance issues and areas that could be tuned.
Accurate and comprehensive monitoring of your databases is critical to ensure there are no outages and that performance is maintained, and CloudWatch is one of the best tools to do so. In the exam, there will be a large number of questions about performance...
