13 Jan
2022
13 Jan
'22
2:10 a.m.
It appears that the "noop" scheduler merges requests, so you are likely getting between 3 and 4 I/O command merges per command to go from 4800 to 17800 IOPS. I'll have to check on this to see if that changes anything on this end, since I thought that the default scheduler also performed command merging.
It appears that "deadline" is the only scheduler available in later kernel versions (at least in Ubuntu). Damian - do you recall what the scheduler was set to prior to changing it to the noop scheduler? Eric