MTTR (Mean Time To Recovery)

MTTR (Mean Time To Recovery) is the average time it takes to restore a service after a failure begins.

MTTR measures how fast you recover, not how often you fail. It spans detection, response, and fix, so fast alerting and clear incident data directly shorten it. Lower MTTR means less downtime per incident.

It pairs with MTBF (how long between failures): together they describe both the frequency and the impact of outages.

Related terms

MTBF (Mean Time Between Failures)MTBF (Mean Time Between Failures) is the average time a service runs correctly between one failure and the next.DowntimeDowntime is any period during which a service is unavailable or not responding correctly to its users.

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