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高CPU利用率—解决方案指南

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适用场景

ONTAP 9

问题描述

本文可帮助您确定高CPU利用率的来源以及它是否影响工作负载。 

高CPU示例图

 

  • 等命令sysstat报告CPU较高(为便于阅读、删除了列):
    • Cluster::> set -privilege diag; run -node 1 sysstat -x -d -c 160 -s 1 CPU Total SSD kB/s SSD OTHER FCP iSCSI FCP kB/s read write util in out 100% 937103 3575433 12 27% 43 937060 0 22489 3835476 100% 942704 3597300 24 27% 38 942666 0 22624 3857797 100% 933527 3560887 0 27% 7 933520 0 22405 3820792 100% 977261 3730533 24 28% 38 977223 0 23454 3999694 100% 930011 3552147 2733 26% 219 929792 0 22315 3805681
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