DORA or Four Key Metrics

Deployment Frequency (DF): Refers to the frequency of successful software releases to production.

Lead Time for Changes (LT): Captures the time between a code change commit and its deployable state.

Mean Time to Recovery (MTTR): Measures the time between an interruption due to deployment or system failure and full recovery.

Change Failure Rate (CFR): Indicates how often a team’s changes or hotfixes lead to failures after the code has been deployed.

Links:

• https://www.leanix.net/en/wiki/vsm/dora-metrics
• https://www.usehaystack.io/haystack/accelerate-four-key-metrics
• https://github.com/GoogleCloudPlatform/fourkeys