Prometheus Etherpad integration

Exposes endpoint at /metrics for Grafana / Prometheus to slobber from.

Usage

See the collected stats at /metrics

Example queries for Grafana

{__name__=~"ep_performance_test_hooks_loadTimes__(.*)_fetchUntilResponseEndTime"}

{__name__=~"ep_performance_test_hooks_loadTimes__(.*)_fetchUntilResponseEndTime"}

ep_performance_test_hooks_etherpadHooksDuration_postAceInit

totalUsers

(memoryUsageHeap / 1024 / 1024)