4 docs tagged with "troubleshooting"

An exhaustive, 1000-line deep dive into Linux for DevOps, featuring advanced commands (awk, sed, find), network tracing, system tuning, and bash scripting.

A practical guide to JVM monitoring and diagnostics — jcmd, jstack, jmap, jstat, JFR, async-profiler, heap dump analysis, GC tuning, off-heap leaks, and a field-tested runbook for CPU spikes, deadlocks, and OOM errors.

Practical guide to tcpdump, Wireshark, netstat, ss, nmap, curl, openssl, dig, traceroute and how to diagnose every layer of the network stack.

Deep-dive into Kafka Connect rebalance storm internals — why they happen, the two rebalance protocols, incremental cooperative mechanics, task assignment algorithms, Spring Boot monitoring, and a production-grade rolling restart runbook.