2 articles
A practical incident guide for diagnosing database connection exhaustion. Covers application pool configuration, slow queries, connection leaks, traffic spikes, and a step-by-step recovery approach.
Failure patterns you actually encounter when running Redis in production, and how to diagnose them. Case-by-case solutions for OOM, connection exhaustion, blocked clients, replication lag, and more.
1 articles
Step-by-step response when a Kubernetes Node enters NotReady state. Root cause diagnosis, workload evacuation, and recovery procedures — a real-world operations guide.
1 articles
When Kafka Consumer Lag spikes, simply scaling consumers is often not enough. This post walks through practical incident analysis: distinguishing broker issues from consumer issues, checking partition imbalance, spotting retry storms, and finding downstream bottlenecks that actually caused the lag.