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#troubleshooting

All articles tagged with troubleshooting

#troubleshooting

Beyond Nagios: Why "Green Status" is a Lie and How to Debug Real Latency

Nagios says your server is UP, but your customers are seeing 504 Gateway Timeouts. In the wake of Heartbleed, we explore deep system introspection using Graphite, Logstash, and strace to find the bottlenecks that simple monitoring misses.