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Reminder to all repository users: Please do not add , commit and push any data files to your remote git repositories. The disk space the Git server is limited, it wasn't dimensioned to host anything else than code. Solely your code files need versioning. The data inputs/outputs don't. A good idea is to do "git add" individually on each file you want to commit, to avoid versioning unwanted content.

GitLab Prometheus metrics

Note: Available since Omnibus GitLab 9.3. Currently experimental. For installations from source you'll have to configure it yourself.

GitLab monitors its own internal service metrics, and makes them available at the /-/metrics endpoint. Unlike other Prometheus exporters, this endpoint requires authentication as it is available on the same URL and port as user traffic.

To enable the GitLab Prometheus metrics:

  1. Log into GitLab as an administrator, and go to the Admin area.
  2. Click on the gear, then click on Settings.
  3. Find the Metrics - Prometheus section, and click Enable Prometheus Metrics
  4. Restart GitLab for the changes to take effect

Collecting the metrics

Since the metrics endpoint is available on the same host and port as other traffic, it requires authentication. The token and URL to access is displayed on the Health Check page.

Currently the embedded Prometheus server is not automatically configured to collect metrics from this endpoint. We recommend setting up another Prometheus server, because the embedded server configuration is overwritten one every reconfigure of GitLab. In the future this will not be required.

Metrics available

In this experimental phase, only a few metrics are available:

Metric Type Description
db_ping_timeout Gauge Whether or not the last database ping timed out
db_ping_success Gauge Whether or not the last database ping succeeded
db_ping_latency Gauge Round trip time of the database ping
redis_ping_timeout Gauge Whether or not the last redis ping timed out
redis_ping_success Gauge Whether or not the last redis ping succeeded
redis_ping_latency Gauge Round trip time of the redis ping
filesystem_access_latency gauge Latency in accessing a specific filesystem
filesystem_accessible gauge Whether or not a specific filesystem is accessible
filesystem_write_latency gauge Write latency of a specific filesystem
filesystem_writable gauge Whether or not the filesystem is writable
filesystem_read_latency gauge Read latency of a specific filesystem
filesystem_readable gauge Whether or not the filesystem is readable
user_sessions_logins Counter Counter of how many users have logged in

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