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Linux硬盘I/0速度简单的测试命令

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hdparm -tT /dev/sda

结果如下

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/dev/sda:
 Timing cached reads:   7092 MB in  2.00 seconds = 3551.40 MB/sec
 Timing buffered disk reads: 1614 MB in  3.00 seconds = 537.96 MB/sec





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