Dear All,

I have just noticed that my Hosted Engine has  a strange I/O scheduler:

Last login: Sun Mar 17 18:14:26 2019 from 192.168.1.43
[root@engine ~]# cat /sys/block/vda/queue/scheduler
[mq-deadline] kyber none
[root@engine ~]#

Based on my experience  anything than noop/none  is useless and performance degrading  for a VM.

Is there any reason that we have this scheduler ?
It is quite pointless  to process (and delay) the I/O in the VM and then process (and again delay)  on Host Level .

If there is no reason to keep the deadline, I will open a bug about it.

Best Regards,
Strahil Nikolov