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Update iostat.md #498

Merged
merged 1 commit into from
May 22, 2023
Merged

Update iostat.md #498

merged 1 commit into from
May 22, 2023

Commits on May 22, 2023

  1. Update iostat.md 

    iostat的util参数解读有误。参照于man手册
Percentage of elapsed time during which I/O requests were issued to the device (bandwidth utilization for the device). Device saturation occurs when this value is close to 100% for  devices  serving  requests  serially.But  for  devices serving requests in parallel, such as RAID arrays and modern SSDs, this number does not reflect their performance limits.
    @BingCoke
    BingCoke authored May 22, 2023
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