Improve Disk Performance with I/O Scheduler Tuning Print

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The I/O Scheduler is an interesting subject; it’s something that’s rarely thought about unless you are trying to get the best performance out of your Linux systems. Before going too deep into how to change the I/O scheduler, let’s take a moment to better familiarize ourselves with what I/O schedulers provide.

Check your current I/O Scheduler:

cat /sys/block/vda/queue/scheduler 

Switch your I/O Scheduler to None:

 echo none > /sys/block/vda/queue/scheduler


Please do not change this if you not have enough experience in CentOS/Linux.

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