# Redis exporter>**Note:**Available since [Omnibus GitLab 8.17][1118]. For installations from sourceyou'll have to install and configure it yourself.The [Redis exporter] allows you to measure various [Redis] metrics. For moreinformation on what's exported [read the upstream documentation][redis-exp].To enable the Redis exporter:1.[Enable Prometheus](index.md#configuring-prometheus)1. Edit `/etc/gitlab/gitlab.rb`1. Find and uncomment the following line, making sure it's set to `true`: ```ruby redis-exporter['enable'] = true ```1. Save the file and [reconfigure GitLab][reconfigure] for the changes to take effectPrometheus will now automatically begin collecting performance data fromthe Redis exporter exposed under `localhost:9121`.[← Back to the main Prometheus page](index.md)[1118]:https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests/1118[redis]:https://redis.io[redis exporter]:https://github.com/oliver006/redis_exporter[redis-exp]:https://github.com/oliver006/redis_exporter/blob/master/README.md#whats-exported[prometheus]:https://prometheus.io[reconfigure]:../../restart_gitlab.md#omnibus-gitlab-reconfigure
