[ovirt-users] Re: 4.2.8 to 4.3.7 > Management slow

Hi, I use something similar However, I think that the correct scheduler in case of virtio-scsi devices (sd*) should be "noop" instead of "none" Best, Guillaume Pavese Ingénieur Système et Réseau Interactiv-Group On Tue, Dec 31, 2019 at 9:27 PM Strahil <hunter86_bg(a)yahoo.com&gt; wrote: > > 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 Nikolov > > On Dec 31, 2019 12:30, Demeter Tibor <tdemeter(a)itsmart.hu&gt; 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 >> >> > _______________________________________________ > Users mailing list -- users(a)ovirt.org > To unsubscribe send an email to users-leave(a)ovirt.org > Privacy Statement: https://www.ovirt.org/site/privacy-policy/ > oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ > List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/EYHGQ6JVLHD... Ce message et toutes les pièces jointes (ci-après le “message”) sont établis à l’intention exclusive de ses destinataires et sont confidentiels. Si vous recevez ce message par erreur, merci de le détruire et d’en avertir immédiatement l’expéditeur. Toute utilisation de ce message non conforme a sa destination, toute diffusion ou toute publication, totale ou partielle, est interdite, sauf autorisation expresse. L’internet ne permettant pas d’assurer l’intégrité