Angga Suriana

The Self-Healing Systems That Kill Themselves

Your service is down. Again. Third time this week, and it’s only Tuesday.

The alerts started flooding in around lunch. Connection timeouts to ActiveMQ, database pool exhaustion, pods stuck in CrashLoopBackOff. Your team scrambles to investigate, but here’s the weird part: every individual component looks healthy. ActiveMQ is running fine, database performance is normal, pods would start successfully if they could just get past the connection phase.

You check the obvious suspects. Network? Fine. DNS? Working. Firewall rules? All good. Load balancer health checks? Passing. So what’s killing your perfectly healthy infrastructure?

The Silent Infrastructure Killer That’s Breaking Your Distributed Systems

It’s 3 AM and your pager won’t stop screaming. Half your Docker Swarm nodes show as unreachable, but ping works fine. SSH works fine. The applications seem fine until they’re suddenly not. Your monitoring dashboards are green across the board, except for that one terrifying metric dropping to zero: service availability.

Sound familiar? Light traffic flows perfectly, users are happy, performance looks great. Then peak hours hit and everything cascades into chaos. Logs tell you nothing useful, just “node unreachable,” “connection timeout,” “cluster partition detected.”

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