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NetApp Knowledge Base

Deep/wide directory structures might cause noticeable CPU overhead

Views:
156
Visibility:
Public
Votes:
0
Category:
data-ontap-7
Specialty:
7dot
Last Updated:

Applies to

  • All platforms & versions of Data ONTAP
  • FlexVols

Issue

  • High CPU utilization may seen on a storage controller in sysstat -x 1 and sysstat -M 1
  • Excessively high Data latency in qos statistics volume latency show
  • wafltop or qos statistics volume resource cpu show has all the workload on a specific volume on SPINNP_LOOKUP in wafltop

 

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