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Alexis Dixon , Bryan Finster , Nathan Nicholson , Preston Gibbs

MTTR

Mean Time to Repair is the average time between when a incidents is detected and when it is resolved.

What is the intended behavior?

Improve the ability to more rapidly resolve system instability and service outages.

How is it improved?

  • Make sure the pipeline alway deployable.
  • Keep build cycle time short to allow roll-forward.
  • Implement feature flags for larger feature changes to allow the them to be deactivated without re-deploying.
  • Identify stability issues and prioritize them in the backlog.

How is it gamed?

  • Updating support incidents to “closed” before service is restored.

Guardrail Metrics

The following metrics could degrade if not tracked with this metric

  • Quality decreases as issues re-occur due to lack of root cause fixes.

References