Nothing lasts forever, including hardware running your EC2 instances. You will usually receive an advance warning on hardware degradation and subsequent instance retirement, but sometimes hardware fails unexpectedly. Percona Monitoring and Management (PMM) currently doesnt have an HA setup, and such failures can leave wide gaps in monitoring if not resolved quickly. In this post, [&]

https://www.percona.com/blog/2021/04/29/improving-percona-monitoring-and-management-ec2-instance-resilience-using-cloudwatch-alarm-actions/