Your Server Died at 3 AM: Reading the Linux OOM Killer's Report (and Stopping It)

It happens to every ops person eventually. The on-call page fires at 03:12: a customer-facing node has stopped answering, yet the process list looks normal and CPU is low. You SSH in, and the first line of dmesg tells you what actually happened: Out of memory: Killed process 4123 (java) total-vm:31457280kB, anon-rss:28901376kB, file-rss:1024kB The... Weiterlesen: Your Server Died at 3 AM: Reading the Linux OOM Killer's Report (and …