Skip to main content
NetApp Knowledge Base

CONTAP-786231: RFE: High CPU utilization due to TSSE, Tiering and other background processes preventing customer to see the CPU Headroom

  1. Last updated
  2. Save as PDF
Views:
282
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
perf
Last Updated:

Issue

CPU Headroom Metrics and Background Process Activity

 
  • In ONTAP environments, system CPU utilization and reported CPU headroom can be influenced by background storage efficiency and other background processes. Operations such as Temperature-Sensitive Storage Efficiency (TSSE) scanning, FabricPool tiering, and data compression or deduplication consume CPU resources to optimize storage layout.
  • Because CPU headroom reflects overall node CPU availability, active background operations can lower the reported headroom metric—even when client application workloads remain light or steady. Any increase in user workload is expected to throttle CPU consumption from background workloads.

 
  • This is the enhancement request to enable customer to have a better view into the CPU headroom.

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.