Lemmy

Lemmy Grafana Dashboard

A dashboard for monitoring a Lemmy instance using metrics exposed by Lemmy's built-in Prometheus endpoint.

What this dashboard shows

HTTP Traffic

• Request rate by endpoint

• Total traffic

• Latency percentiles (p50/p90/p95/p99) by endpoint

• Error rate (4xx/5xx)

• HTTP errors broken down by endpoint and status code

Process Health

• Resident memory (RSS) and virtual memory (VSZ)
• Thread count
• Open and max file descriptors

Database

• PostgreSQL connection pool usage (max, active, and available connections)

Metrics collection

Information on metric collection can be found on Lemmy docs.