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由于 WAFL 扫描导致高节点和 CPU 利用率

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ontap-9
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perf
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适用于

ONTAP 9

问题描述

  • 由于 WAFL 扫描,可以看到高节点和 CPU 利用率
  • 以下命令和 graphana 中的利用率图表显示了以下症状,即使来自客户端的用户工作负载较少,wafl_scan 也会占用更多 CPU
  • Screenshot 2025-09-02 225850.png
::> qos statistics workload resource cpu show -node node1 Workload ID CPU Wafl_exempt Kahuna Network Raid Exempt Protocol --------------- ----- ----- ----------- ------ ------- ----- ------ -------- -total- (1600%) - 405% 187% 0% 89% 2% 116% 0% _WAFL 7 132% 92% 0% 0% 0% 40% 0% System-Default 1 102% 6% 0% 53% 1% 41% 0% _WAFL_SCAN 20 79% 49% 0% 0% 0% 30% 0% 

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