Deployment reliability at GitHub

February 08, 2021


Interesting approach. SLOs for the deployment pipeline.

Answering various questions:

  • Duration of CI builds.
  • Duration of individual steps of the deployment pipeline.
  • Total duration of a deployment pipeline.
  • Final state of a deployment pipeline.
  • Number of deployments that are rolled back.
  • Occurrences of deployment retries in one of the steps of the pipeline.
  • How many pull requests we deploy/merge every week.

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