Resource Starvation Due to Over-provisioned Pods

Resource starvation occurred on nodes because pods were over-provisioned, consuming more resources than expected.

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What Happened

Pods were allocated more resources than necessary, causing resource contention on the nodes.

Diagnosis Steps

1Analyzed node and pod resource utilization.
2Found that the CPU and memory resources for several pods were unnecessarily high, leading to resource starvation for other pods.

Root Cause

Incorrect resource requests and limits set for the pods, causing resource over-allocation.

Fix/Workaround

• Reduced resource requests and limits based on actual usage metrics.
• Re-deployed the pods with optimized resource configurations.

Lessons Learned

Accurate resource requests and limits should be based on actual usage data.

How to Avoid