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This article mainly explains "what is the method of SSD performance evaluation under CentOS". The content of the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "what is the method of SSD performance evaluation under CentOS".

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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