28 lines
943 B
Markdown
28 lines
943 B
Markdown
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---
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stage: Monitor
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group: Monitor
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info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
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---
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# Puma exporter **(FREE SELF)**
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You can use the [Puma exporter](https://github.com/sapcc/puma-exporter)
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to measure various Puma metrics.
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To enable the Puma exporter:
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1. [Enable Prometheus](index.md#configuring-prometheus).
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1. Edit `/etc/gitlab/gitlab.rb` to add (or find and uncomment) the following lines. Make sure
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`puma['exporter_enabled']` is set to `true`:
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```ruby
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puma['exporter_enabled'] = true
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puma['exporter_address'] = "127.0.0.1"
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puma['exporter_port'] = 8083
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```
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1. Save the file and [reconfigure GitLab](../../restart_gitlab.md#omnibus-gitlab-reconfigure)
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for the changes to take effect.
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Prometheus begins collecting performance data from the Puma exporter exposed at `localhost:8083`.
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