Update iostat.md #498
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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.
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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. e653d3f
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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.