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Microsoft SQL磁盘不堪重负的响应时间较长

适用场景

Microsoft SQL

任何版本的 ONTAP 或 Data ONTAP

问题描述

  • 运行SQL性能指标 Avg Disk Queue Length 超过1
  • 正在运行的SQL日志可能会报告错误: Disk overwhelmed: Avg Disk Queue Length is greater than 1 and response times are greater than 25 ms for IO sizes of 64 KB or smaller or 35 ms for IO sizes greater than 64 KB.

 

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