OOM killed process: what it means and how to fix it
TL;DR
The Linux OOM killer terminated a process to free memory — identify the victim, reduce memory pressure, and prevent recurrence.
Key facts
- Topic
- Production error triage
- Stack
- Linux
TL;DR
OOM killed means the kernel chose a process to terminate when RAM was exhausted. The victim is not always the leak — sometimes it is the largest innocent consumer.
Use the OOM analyser for log parsing, then tune pools and workers.