Good day.
Stream monitoring functions are moved to separate application that we plan to release soon.
You can use server statistic page http://wcs:8081/?action=stat (see details here) to get load and resource usage information and REST API (/stream/find for example) to obtain stream details from server.
Good day.
It is released. Please see this doc.
We also recommend to use Prometheus and REST API to monitor stream parameters, this solution is preferrable under high load.