Observability

All EdgeDB instances expose a Prometheus-compatible /metrics endpoint. The following metrics are made available.

Processes

compiler_process_spawns_total

Counter. Total number of compiler processes spawned.

compiler_processes_current

Gauge. Current number of active compiler processes.

backend_connections_total

Counter Total number of backend connections established.

backend_connections_current

Gauge. Current number of active backend connections.

backend_connection_establishment_errors_total

Counter. Number of times the server could not establish a backend connection.

backend_connection_establishment_latency

Histogram. Time it takes to establish a backend connection, in seconds.

backend_query_duration

Histogram. Time it takes to run a query on a backend connection, in seconds.

client_connections_total

Counter. Total number of clients.

client_connections_current

Gauge. Current number of active clients.

client_connections_idle_total

Counter. Total number of forcefully closed idle client connections.

edgeql_query_compilations_total

Counter. Number of compiled/cached queries or scripts.

edgeql_query_compilation_duration

Histogram. Time it takes to compile an EdgeQL query or script, in seconds.

background_errors_total

Counter. Number of unhandled errors in background server routines.