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过多的重复数据删除作业可能会降低可用的 IOPS 并增加ONTAP系统中的延迟

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适用场景

  • ONTAP 9
  • AIQUM

问题描述

  • 在生产高峰期运行主动重复数据删除 (SIS) 作业可能会增加工作负载延迟。
  • 在此期间，AIQUM 中的可用 IOPS 将显示为 0，如下所示

过多的重复数据删除作业可能会降低可用的 IOPS 并增加ONTAP系统中的延迟

  • 磁盘延迟或利用率可能会突然增加
  • 同时运行的重复数据删除进程过多，如下所示：

::> volume efficiency show -op-status active

注意： 由于重复数据删除没有延迟，预计 CPU 会比较高，本文不适用

 

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