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High CPU and latency is seen despite low OP counts

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403
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Public
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Category:
ontap-9
Specialty:
Perf
Last Updated:

Applies to

ONTAP 9

Issue

  • During a scheduled or burst of a specific workload, the CPU reaches 100% utilization which in turn results in read/write latency for all volumes on the node
  • Why is there high CPU utilization and how can latency be prevented for other volumes on the same node?

 

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