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What does the "CP time" displayed in the output of sysstat mean?

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Perf
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Applies to

ONTAP 9

Answer

  • The percentage value of CP time represents how much time within one second is dedicated to processing CP (Consistent Point).
  • For example, if CP time is 80%, it means that within one second, 80% of the time, or 0.8 seconds is spent on CP processing.
  • However, CP time includes all types of CP, so analyzing Perfarchive is required to obtain accurate data on the duration of performance-affecting Back to Back CP.

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