Additional metrics

[davidkarlsen]

What do you think about adding more metrics from JMX: https://confluence.atlassian.com/bitbucketserver056/enabling-jmx-counters-for-performance-monitoring-943529423.html

They could be fetched via: https://github.com/prometheus/jmx_exporter - or purely programmatic by getting the jmx beans and exposing the values via prometheus.

[AndreyVMarkelov]

Sure. Will be added

[AndreyVMarkelov]

In the progress

[Zauxst]

also add the possibility to disable some metrics. As some of us are already using the JMX exporter thus there would be no reason to actually have stacked metrics from 1 app.