From the course: Debugging Kubernetes

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Finding problems quickly with Spot the Pattern

Finding problems quickly with Spot the Pattern - Kubernetes Tutorial

From the course: Debugging Kubernetes

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Finding problems quickly with Spot the Pattern

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- [Instructor] The other approach that we'll see throughout this course is something I call "Spot the Pattern" or "Spot the Outlier". Just like the many why's, this approach is straightforward, gather data about the present situation and attempt to find patterns and/or outliers that point towards a potential root cause. While gathering and searching through a lot of data can be time consuming, this technique can be a very powerful way of finding anomalous behavior within complex applications or systems very quickly. This can be especially helpful while using The Many Whys to troubleshoot deeply. Let's go back to our slow running application from before. We discovered that free memory within the application system was decreasing at a rapid rate. How did we discover that? We spotted two complimentary patterns. Used memory within the system was going up while free memory was going down. Seeing this behavior gave us a good suspicion that we're on the right track towards finding the root…

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