Adjusting the I/O Scheduling Policy

Set the I/O scheduling policy to mq-deadline for agent nodes to improve I/O efficiency.

On the agent node, change the I/O policy to mq-deadline for all HDD data drives.

list="a b c d e f g h i j k l"    # Modify as required.
for i in $list
do
echo mq-deadline > /sys/block/sd$i/queue/scheduler
done

Parent topic: OS Tuning