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FAS8200 上的高 CPU 和写入延迟

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适用于

  • FAS8200
  • ONTAP 9.14

问题

  • 在集群节点上观察到高 CPU 利用率和增加的写入延迟,影响了 CIFS 卷并导致服务时间增加。
  • CPU 利用率从约 20% 的基线提高到约 50%,在效率和 重复数据删除操作期间达到接近最高水平。
  • 性能归档和日志表明,节点上的操作时间比正常情况下长约 3–6 倍。但是,在报告的影响期间没有观察到异常的 I/O 活动或显著的后台工作负载。

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