メインコンテンツまでスキップ

IOPS が想定より低い場合の CPU 利用率の上昇

Views:
148
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
perf
Last Updated:

環境

ONTAP 9

問題

  • CPU 利用率は高いが、 IOPS は高くない。
  • システムの処理中の IOPS が想定よりも少なくなっています。
 nodeshell> sysstat -x 1 CPU NFS CIFS Total Net kB/s SSD kB/s Cache CP CP_Ty CP_Ph HDD SSD FCP iSCSI FCP kB/s iSCSI kB/s in out read write hit time [T--H--F--N--B--O--#--:] [n--v--p--f] util util in out in out 87% 0 0 18865 27005 1437837 766806 36 59% 0% 0--0--0--0--0--0--0--0 0--0--0--0 0% 10% 0 18865 0 0 14153 1401718 91% 0 0 20361 54662 1411932 704124 12 59% 0% 0--0--0--0--0--0--0--0 0--0--0--0 0% 11% 0 20349 0 0 84279 1323838 86% 0 0 19373 67099 1362633 636356 36 56% 0% 0--0--0--0--0--0--0--0 0--0--0--0 0% 10% 0 19352 0 0 34314 1297262 83% 0 0 19373 45697 1341457 629160 0 58% 0% 0--0--0--0--0--0--0--0 0--0--0--0 0% 8% 0 19373 0 0 49332 1242115 87% 0 0 24721 41867 875967 592351 0 57% 0% 0--0--0--0--0--0--0--0 0--0--0--0 0% 11% 0 24721 0 0 64270 1178077 98% 0 0 34218 166166 1568906 606936 36 62% 0% 0--0--0--0--0--0--0--0 0--0--0--0 0% 20% 0 34215 0 0 142193 1089826 97% 0 0 22118 76337 668708 718314 62665 57% 99% 0--0--0--0--0--1--0--0 0--1--0--0 0% 19% 0 22118 0 0 61469 1141812 

 

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.