Deployment Risk Scoring: Predicting Incidents Before They Happen
Learn how OpsBrief helps teams correlate deployments, operational events, and incidents to improve visibility into release risk and accelerate incident response.
Rosemary SamuelBlog Category
How to Reduce MTTR
Mean Time To Resolution is the metric that matters most for incident response. Learn how top-performing teams achieve 70% faster resolution times.
MTTR (Mean Time To Resolution) measures how long it takes to restore service after an incident is detected. It's one of the four key DORA metrics and a critical indicator of operational excellence.
For most teams, 50-70% of MTTR is spent on detection and identification-not actually fixing the problem. This means the biggest opportunity for improvement isn't faster fixes, but faster understanding of what's broken and why.
The most effective MTTR reduction strategies focus on: centralizing operational context (so engineers don't waste time searching multiple tools), automating correlation (connecting deployments to errors to incidents), and building institutional knowledge through runbooks and postmortems.
Elite teams (top 15%) achieve MTTR under 1 hour. The average team takes 24+ hours. The difference isn't luck-it's systems and processes that make fast response automatic.
MTTR & Related Metrics
MTTR Reduction Articles
Rosemary Samuel
Root Cause Analysis Is Broken: Why Teams Struggle to Find What Actually Failed
Most postmortems identify symptoms, not causes. This post explains why traditional root cause analysis fails in modern systems (especially microservices) and introduces a faster, data-driven approach using dependency mapping and event timelines to find root causes in minutes instead of hours.
Jasmine Decker
Event Correlation in DevOps: How to Connect Incidents, Deployments, and Alerts
Your system doesn’t fail randomly; failures are connected. A deployment triggers an error, which triggers alerts, which escalates into an incident. This guide explains how event correlation works, why most teams don’t implement it properly, and how correlating signals across tools reduces diagnosis time by 70%.
Jake Davids
Incident Commander: Role, Responsibilities, and How to Do It Well
When a major incident hits, someone has to be in charge. Not "in charge" in the sense of knowing the most about the systems - in charge in the sense of coordinating the response, making decisions under pressure, and keeping the team moving toward resolution. That's the incident commander. It's one of the most impactful roles in incident management and one of the least understood by engineers who haven't had to do it.
Andrea Brown
Incident Severity Levels: How to Define SEV0, SEV1, SEV2, and SEV3
Two engineers look at the same production alert and disagree on whether it's a SEV1 or SEV2. One wants to wake up the VP of Engineering. The other wants to handle it quietly. Both are wrong - not because of their technical judgment, but because their organization hasn't defined what SEV1 means clearly enough for two people to reach the same answer from the same data.
Jasmine Decker
Incident Management vs Incident Response: Key Differences Explained
These two terms get used interchangeably in most engineering conversations - but they describe different things, and conflating them creates real gaps. Incident response is the real-time process of detecting and resolving a production problem. Incident management is the broader discipline that governs how your organization handles incidents before, during, and after they happen. The investments that improve each one are different.
Janelle McCombs
Reliability vs Availability: What's the Difference and Why It Matters
Your status page shows 99.9% uptime. Your customers are still complaining. That's the reliability vs. availability gap - and it trips up a lot of engineering teams. Availability is a number you can put on a status page. Reliability is whether your system actually does what users need it to do, consistently, over time. The two are related but not the same.
Andrea Brown
SLA vs KPI: Understanding the Difference and How to Use Both
Ask five people at your company what an SLA is and you'll get five different answers. Some say it's a customer contract. Some say it's your uptime target. Some use it for internal response time goals. The confusion is common - but getting the distinction right matters for how you set goals, hold teams accountable, and communicate reliability to customers who depend on it.
Rosemary Samuel
MTTR, MTTD, MTBF: The Incident Metrics That Actually Matter
MTTR dropped from 40 min to 10 min. But that's only 70% of the picture. The real win: engineers sleeping through on-call shifts. Mean time metrics are the most tracked reliability numbers in engineering - and the most misunderstood. This guide covers what each one actually measures, how to calculate them correctly, and how to use them to drive real improvement instead of just better-looking dashboards.
Jake Davids
Incident Priority Matrix: How to Classify and Triage Incidents
At 2am with three engineers and five things going wrong, which do you fix first? If the answer depends on who's on call, you have a prioritization problem. An incident priority matrix takes that decision out of the individual's head and puts it into a shared framework - so the right incidents get the right attention, every time.
Alexander Eric