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---
stage: Data Stores
group: Cloud Connector
info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/product/ux/technical-writing/#assignments
---
# GitLab exporter **(FREE SELF)**
> Renamed from `GitLab monitor exporter` to `GitLab exporter` in [GitLab 12.3](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/16511).
The [GitLab exporter](https://gitlab.com/gitlab-org/ruby/gems/gitlab-exporter) enables you to
measure various GitLab metrics pulled from Redis and the database in Linux package
instances.
For self-compiled installations, you must install and configure it yourself.
To enable the GitLab exporter in a Linux package instance:
1. [Enable Prometheus](index.md#configuring-prometheus).
1. Edit `/etc/gitlab/gitlab.rb`.
1. Add, or find and uncomment, the following line, making sure it's set to `true`:
```ruby
gitlab_exporter['enable'] = true
```
1. Save the file and [reconfigure GitLab](../../restart_gitlab.md#reconfigure-a-linux-package-installation)
for the changes to take effect.
Prometheus automatically begins collecting performance data from
the GitLab exporter exposed at `localhost:9168`.
## Use a different Rack server
> - Introduced in [GitLab 13.8](https://gitlab.com/gitlab-org/omnibus-gitlab/-/merge_requests/4896).
> - WEBrick is now the default Rack server instead of Puma.
By default, the GitLab exporter runs on [WEBrick](https://github.com/ruby/webrick), a single-threaded Ruby web server.
You can choose a different Rack server that better matches your performance needs.
For instance, in multi-node setups that contain a large number of Prometheus scrapers
but only a few monitoring nodes, you may decide to run a multi-threaded server such as Puma instead.
To change the Rack server to Puma:
1. Edit `/etc/gitlab/gitlab.rb`.
1. Add, or find and uncomment, the following line, and set it to `puma`:
```ruby
gitlab_exporter['server_name'] = 'puma'
```
1. Save the file and [reconfigure GitLab](../../restart_gitlab.md#reconfigure-a-linux-package-installation)
for the changes to take effect.
The supported Rack servers are `webrick` and `puma`.
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