· Asep Alazhari · DevOps
MySQL Gone Away: HAProxy, Galera, and Ghost Processes
At 2 AM, 80% of database connections were failing after migrating to HAProxy. The root cause was 83-day-old ghost processes nobody knew were still running.
At 2 AM, 80% of database connections were failing after migrating to HAProxy. The root cause was 83-day-old ghost processes nobody knew were still running.