Java Captain

May 24, 2018 · Big Data

Debugging a Kafka Data Drop: A Step‑by‑Step Troubleshooting Case Study

After a recent feature release caused a sharp decline in a key data metric, the team followed a systematic, fourteen‑step troubleshooting process—including verification, code review, DBA involvement, local debugging, environment comparison, logging, packet capture, service restarts, request mode changes, load testing, and partition resizing—to identify and resolve a Kafka‑related throughput bottleneck.