You can manually change the I/O scheduler of the disks and if that works
better for you, put a rule in udev.
Here is mine:
[root@engine rules.d]# cat /etc/udev/rules.d/90-default-io-scheduler.rules
ACTION=="add|change", KERNEL=="sd*[!0-9]", ATTR{queue/scheduler}="none"
ACTION=="add|change", KERNEL=="vd*[!0-9]", ATTR{queue/scheduler}="none"
[root@engine rules.d]# cat /sys/block/vda/queue/scheduler
[none] mq-deadline kyber
Best Regards,
Strahil NikolovOn Dec 31, 2019 12:30, Demeter Tibor <[email protected]> wrote:
>
> Dear Users,
>
> I've successfully upgraded my 4 node hyperconverged system from 4.2.8 to
> 4.3.7.
> After upgrade everything seems to working fine, but the whole management
> system seems very slow.
> Spends many seconds when I clicking on "virtual machines" or I want to edit a
> virtual machines.
> The speed of vms and the IO is fine.
>
> It is running on a glusterfs (distributed replicate, on 3 node, 9 bricks).
> There are no errors, everything fine. but terrible slow:(
> The engine vm has 0.2-0.3 load.
>
> What can I do?
>
> Thanks in advance and I wish Happy New Year!
>
> Regards,
> Tibor
>
>
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