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Prometheus

Prometheus

Prometheus

Coder exposes many metrics which can be consumed by a Prometheus server, and give insight into the current state of a live Coder deployment.

If you don't have an Prometheus server installed, you can follow the Prometheus Getting started guide.

Enable Prometheus metrics

Coder server exports metrics via the HTTP endpoint, which can be enabled using either the environment variable CODER_PROMETHEUS_ENABLE or the flag --prometheus-enable.

The Prometheus endpoint address is http://localhost:2112/ by default. You can use either the environment variable CODER_PROMETHEUS_ADDRESS or the flag --prometheus-address <network-interface>:<port> to select a different listen address.

If coder server --prometheus-enable is started locally, you can preview the metrics endpoint in your browser or by using curl: http://localhost:2112/.

$ curl http://localhost:2112/
# HELP coderd_api_active_users_duration_hour The number of users that have been active within the last hour.
# TYPE coderd_api_active_users_duration_hour gauge
coderd_api_active_users_duration_hour 0
...

Kubernetes deployment

The Prometheus endpoint can be enabled in the Helm chart's values.yml by setting the environment variable CODER_PROMETHEUS_ADDRESS to 0.0.0.0:2112. The environment variable CODER_PROMETHEUS_ENABLE will be enabled automatically.

Available metrics

NameTypeDescriptionLabels
coderd_api_active_users_duration_hourgaugeThe number of users that have been active within the last hour.
coderd_api_concurrent_requestsgaugeThe number of concurrent API requests.
coderd_api_concurrent_websocketsgaugeThe total number of concurrent API websockets.
coderd_api_request_latencies_secondshistogramLatency distribution of requests in seconds.method path
coderd_api_requests_processed_totalcounterThe total number of processed API requestscode method path
coderd_api_websocket_durations_secondshistogramWebsocket duration distribution of requests in seconds.path
coderd_api_workspace_latest_build_totalgaugeThe latest workspace builds with a status.status
coderd_provisionerd_job_timings_secondshistogramThe provisioner job time duration in seconds.provisioner status
coderd_provisionerd_jobs_currentgaugeThe number of currently running provisioner jobs.provisioner
go_gc_duration_secondssummaryA summary of the pause duration of garbage collection cycles.
go_goroutinesgaugeNumber of goroutines that currently exist.
go_infogaugeInformation about the Go environment.version
go_memstats_alloc_bytesgaugeNumber of bytes allocated and still in use.
go_memstats_alloc_bytes_totalcounterTotal number of bytes allocated, even if freed.
go_memstats_buck_hash_sys_bytesgaugeNumber of bytes used by the profiling bucket hash table.
go_memstats_frees_totalcounterTotal number of frees.
go_memstats_gc_sys_bytesgaugeNumber of bytes used for garbage collection system metadata.
go_memstats_heap_alloc_bytesgaugeNumber of heap bytes allocated and still in use.
go_memstats_heap_idle_bytesgaugeNumber of heap bytes waiting to be used.
go_memstats_heap_inuse_bytesgaugeNumber of heap bytes that are in use.
go_memstats_heap_objectsgaugeNumber of allocated objects.
go_memstats_heap_released_bytesgaugeNumber of heap bytes released to OS.
go_memstats_heap_sys_bytesgaugeNumber of heap bytes obtained from system.
go_memstats_last_gc_time_secondsgaugeNumber of seconds since 1970 of last garbage collection.
go_memstats_lookups_totalcounterTotal number of pointer lookups.
go_memstats_mallocs_totalcounterTotal number of mallocs.
go_memstats_mcache_inuse_bytesgaugeNumber of bytes in use by mcache structures.
go_memstats_mcache_sys_bytesgaugeNumber of bytes used for mcache structures obtained from system.
go_memstats_mspan_inuse_bytesgaugeNumber of bytes in use by mspan structures.
go_memstats_mspan_sys_bytesgaugeNumber of bytes used for mspan structures obtained from system.
go_memstats_next_gc_bytesgaugeNumber of heap bytes when next garbage collection will take place.
go_memstats_other_sys_bytesgaugeNumber of bytes used for other system allocations.
go_memstats_stack_inuse_bytesgaugeNumber of bytes in use by the stack allocator.
go_memstats_stack_sys_bytesgaugeNumber of bytes obtained from system for stack allocator.
go_memstats_sys_bytesgaugeNumber of bytes obtained from system.
go_threadsgaugeNumber of OS threads created.
process_cpu_seconds_totalcounterTotal user and system CPU time spent in seconds.
process_max_fdsgaugeMaximum number of open file descriptors.
process_open_fdsgaugeNumber of open file descriptors.
process_resident_memory_bytesgaugeResident memory size in bytes.
process_start_time_secondsgaugeStart time of the process since unix epoch in seconds.
process_virtual_memory_bytesgaugeVirtual memory size in bytes.
process_virtual_memory_max_bytesgaugeMaximum amount of virtual memory available in bytes.
promhttp_metric_handler_requests_in_flightgaugeCurrent number of scrapes being served.
promhttp_metric_handler_requests_totalcounterTotal number of scrapes by HTTP status code.code
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