MTTR—or mean time to resolution—is one of the most widely used metrics in the SRE toolbox. Paradoxically, it's also one of the most misunderstood. As modern organizations increasingly rely on software to run their business, these disconnects around MTTR aren't just inconvenient; they threaten the bottom line.
In this guide, we unravel many meanings of MTTR and share nine best practices for reducing MTTR the right way, including how to:
- Create a robust incident management action plan
- Define roles and train your team
- Carefully calibrate your alerting tools and create runbooks
- Practice failure through chaos engineering