メインコンテンツまでスキップ

高いCPU利用率とパフォーマンスの不均衡アラート

Views:
3
Visibility:
Public
Votes:
0
Category:
aff-series
Specialty:
perf
Last Updated:

環境

  • ONTAP 9
  • AFF - A300
  • MGWD
  • ホストOS

問題

  • 1つのノードでパフォーマンスの不均衡に関するアラートが頻繁に発生する

Event: Cluster Load Imbalance Threshold Breached
The performance capacity used counter indicates a load difference of 74% between the nodes on cluster XXX-XXX-XXX and has triggered a WARNING event based on the system threshold of 30%

  • IOPSが低いにもかかわらず常に70%以上のCPU利用率
  • 上位のCPUドメインはホストOSで、主に   top コマンドの出力から取得したmgwdです。 

PID USERNAME    THR PRI NICE   SIZE    RES STATE    C   TIME    WCPU COMMAND

3718 root        345  52    0  2217M  1629M uwait    1    ??? 474.57% mgwd

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.

 

  • この記事は役に立ちましたか?