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mean time to repair

📖 ISTQB Glossary

Official ISTQB Definition

The average time a component or system will take to recover from a failure.

3 Ways to Think About It

💡
The Quick Take

MTTR: Average time needed to fix the system after failure.

🔍
Look Closer

How long it takes to get back up and running.

🎯
The Bottom Line

The recovery time metric for maintainability.

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