Grafana
Grafana is a multi-platform open-source analytics and interactive visualization web application. It provides charts, graphs, and alerts for the web when connected to supported data sources. It can be easily installed using Docker or Docker Compose.
Rocket.Chat.Metrics repository contains a basic monitoring setup of Rocket.Chat, based on Grafana and Prometheus. It currently shows and visualizes the following application metrics/information:
General totals: users online/away, DDP users, diffs based on time range
Metrics: requests and total size per instance
NodeJS: active handles, requests, event loop lag, heap used, per instance heap, garbage collector
DDP rate limiter: by method, by type, by userId, by connectionId
Rocket.Chat Data: messages sent, total sent, user presence, users & sessions, Oplog, push queue, Meteor facts, total users, total rooms, notification per minute per notification type
Meteor: methods total time, methods time, method calls per minute
Subscriptions: subscription total time, subscription time, subscription calls per minute
Callbacks & Hooks: callbacks total time, callbacks time, callback calls per minute, hooks total time, hooks time, hook calls per minute
REST API: REST total time, REST time, REST calls per minute
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