Why it matters
Mean time to recovery matters because teams need a precise shared meaning for the average time from failure to restored service. Vague language turns incidents into arguments about words instead of fixes.
When everyone uses the same definition, alerts, status updates, and post-incident reviews stay aligned.
How it works
In practice, the average time from failure to restored service shows up as a concrete signal you can measure or communicate. Operators define what good looks like, watch for deviations, and record what happened when expectations break.
The useful version of mean time to recovery is operational: it changes who gets notified, what customers see, or which metric a team reviews after an incident.
Practical example
Imagine a team operating around MTTR of thirty-five minutes last quarter. When observed behavior stops matching the definition of mean time to recovery, the team treats that change as a reliability event with a clear owner and next step.
Common misconception
MTTR always means mean time to repair with one universal formula
That reading usually collapses distinct ideas into one slogan. Keep mean time to recovery tied to observable behavior so the definition stays useful under pressure.
How Fajita handles this
MTTR is ambiguous in the industry. Define whether it starts at failure, detection, or acknowledgment.
MTTR
MTTR = Total incident recovery time ÷ Number of resolved incidents- State whether recovery time starts at failure detection or impact start.
- Do not treat MTTR as a contractual SLA unless a contract says so.
Frequently asked questions
Does MTTR mean repair or recovery?
Both expansions are used. Publish your definition beside the number.
Should MTTR include nights and weekends?
Yes if customers were impacted then. Exclude periods only when your written definition says so.