Instrumentation for ConnectionPool

There is no pre-defined chart for JMX metrics, mostly because that requires some knowledge about what is measured.

The easiest way is to use Lens or TSVB (Time Series Visualization Builder) in Kibana to create those.

One thing to know is that those metrics aren't included in KQL auto-completion by default. You have to use "refresh field list" icon in top right of "Index Patterns" section (between star and delete icon), here is a screenshot with version 7.8: