Documentation here : https://docs.intersystems.com/irislatest/csp/docbook/DocBook.UI.Page.cls...

It also explains the actor pools size and about the considerations and trade-off. 

Hope this helps.

There is documentation available on different options available for for activity and volume monitoring : https://docs.intersystems.com/healthconnectlatest/csp/docbook/DocBook.UI... 

Also you could refer this video from InterSystems: https://www.youtube.com/watch?v=flyLkIYCdFo

Hope this helps. 

Functionality to generate diagram/documentation to display the message flow/connection  between different namespaces of a Healthshare instance.