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What is "PEAK_PERFORMANCE" line in Active IQ?

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Category:
ontap-9
Specialty:
perf
Last Updated:

Applies to

  • Ontap 9
  • Ontap 7-mode
  • Active IQ
  • CPU/DISK utilization

Answer

Peak performance  line represent limit after which response time (latency) may go above optimal values. It is calculated value based on complex internal algorithm.

After resource ( CPU/DISK ) utilization reach peak performance line, the latency can rapidly increase. 

Difference between current utilization and peak performance line represent performance capacity (HEADROOM).

To understand if the issue is based on CPU/DISK utilization see following  KB:

How do I know if CPU is causing a performance issue?

Additional Information

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