This post is a friendly recap of a real Azure Managed Redis investigation Some incidents teach you more than any documentation page ever could. This one started with a few intermittent Redis timeouts. This grew into a deep investigation that touched Kubernetes CPU limits, Java client internals, cluster topology, and even the limits of what you can simulate on a managed service. One symptom, three very different stories. The customer stays anonymous, because the lessons matter more than the logo. What’s left is the part you can reuse: what happened, what we learned, and tips and tricks for testing. Along the way, we try to showcase how you can look beyond the error message. Settle in, because this one has…