What is the method of SSD performance evaluation under CentOS?

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First, install hdparm

Yum install hdparm-y

II. Evaluation reading

For SSD hard drives, please use the hdparm command for read testing.

Hdparm-t / dev/xvda

SSH executes the above command, and hdparm can be used to evaluate the read rate of SSD.

Note that "/ dev/xvda" refers to the drive number of the corresponding disk, please execute "fdisk-l" to check.

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