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IO 写入大小较大会导致 CVO 的写入延迟较短

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cloud-volumes-ontap-cvo
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perf
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适用场景

  • Cloud Volume ONTAP 9.x
  • Microsoft Azure

问题描述

  • 在 AIQUM 工具 /QoS 统计信息中观察到高写入延迟。 
    • 延迟细分表示延迟是由数据层驱动的。
  • 如果块大小大于 100KB ，则写入延迟极高（超过 500 毫秒）。 
  • 如果块大小小于 20 KB ，则写入延迟小于 1 毫秒

 

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