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OOMKilled and Exit Code 137: Why Kubernetes Kills Your Pods and How to Stop It

calendar_today June 26, 2026 person Roberto Pesce domain cast-ai

Exit code 137 means your container was killed by SIGKILL (signal 9) — 128 + 9. The Linux kernel OOM killer fires SIGKILL when a container exceeds its cgroup memory limit. Kubernetes surfaces this as OOMKilled in pod status.

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