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Symptoms

  • Multiple pods on node-7.internal are being terminated unexpectedly.
  • Pod status shows Evicted with reason The node was low on resource: memory.
  • Application team reports intermittent 503 errors as pods are killed and rescheduled.
  • The node has been flapping between Ready and MemoryPressure conditions over the past hour.
  • Monitoring shows node memory utilization spiking to 94-97% periodically.
  • Evicted pods are being rescheduled to the same node, only to be evicted again.
  • The cluster has 5 nodes, but resource requests are not set on many workloads.