We had recently implement PMM for one of our client who is on Amazon Aurora, which is very great for performance analysis at MySQL level. We felt that important cloud-watch metrics for Aurora was not proper, like we don't have a proper dashboard for monitoring the Aurora replication lag, which is different from normal mysql replication. Hence we have created our own dashboard and integrated it. It would be great if more metrics are available for Amazon RDS/Aurora.
Thanks & Regards