OOMKilled Fix for Memory-Constrained Containers

Reduce container restarts caused by memory limits and inefficient process usage.

April 23, 2026•1 min read

#kubernetes#oomkilled#memory

Problem

Containers restart with OOMKilled after handling traffic spikes.

Root Cause

The container exceeds the configured memory limit or leaks memory under load.

Fix

Code

kubectl top pod checkout-67b6db599c-x4fh2 -n commerce
kubectl describe pod checkout-67b6db599c-x4fh2 -n commerce
kubectl patch deployment checkout -n commerce --type merge -p '{"spec":{"template":{"spec":{"containers":[{"name":"checkout","resources":{"requests":{"memory":"512Mi"},"limits":{"memory":"1Gi"}}}]}}}}'
kubectl rollout restart deployment/checkout -n commerce

Result

The container receives enough memory headroom and restarts stop during normal load.

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