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How to use memory to optimize disk cache read and write speed in Centos7? Many novices are not very clear about this. In order to help you solve this problem, the following editor will explain it in detail. People with this need can come and learn. I hope you can gain something.

Pick up.

Add the following at the end of the following file:

$vim / etc/fstabtmps / dev/shm tmpfs defaults,size=1G 0 0

Please add it according to your physical memory size, which is usually about 10-50% of the physical memory.

Mount / dev/shm/ directory:

$mount-o remount / dev/shm/$ mkdir / dev/shm/tmp$ chmod 755 / dev/shm/tmp$ mount-B / dev/shm/tmp / tmp

Note:

/ dev/shm/tmp will lose the mount after the system reboot, and you need to reset the mount. Here is a shell script that you can add to boot:

$vim / dev/shm/tmpchmod _ init. D _

Then add the following at the end of the following file:

Will $vim / etc/rc.localsh / etc/init.d/shmtmp.sh help you after reading the above content? If you want to know more about the relevant knowledge or read more related articles, please follow the industry information channel, thank you for your support.

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