data/removals/16_0/16-0-remove-praefect-custom-metric-endpoint.yml


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---
- title: "Praefect custom metrics endpoint configuration"
  announcement_milestone: "15.9"
  removal_milestone: "16.0"
  breaking_change: true
  reporter: mjwood
  stage: Gitaly
  issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/390266
  body: |
    Support for using the `prometheus_exclude_database_from_default_metrics` configuration value was deprecated in
    GitLab 15.9 and is removed in GitLab 16.0. We made this change to improve the performance of Praefect.
    All metrics that scrape the Praefect database are now exported to the `/db_metrics` endpoint.

    You must update your metrics collection targets to use the `/db_metrics` endpoint.
  tiers:  # (optional - may be required in the future) An array of tiers that the feature is available in currently.  e.g., [Free, Silver, Gold, Core, Premium, Ultimate]
  documentation_url:  # (optional) This is a link to the current documentation page
  image_url:  # (optional) This is a link to a thumbnail image depicting the feature
  video_url:  # (optional) Use the youtube thumbnail URL with the structure of https://img.youtube.com/vi/UNIQUEID/hqdefault.jpg