Re: upmap balancer

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Thomas,
I lost track of your issue. Are you just trying to balance the PGs ?
14.2.8 has big improvements -- check the release notes / blog post
about setting the upmap_max_deviations down to 2 or 1.
-- Dan

On Mon, Mar 16, 2020 at 4:00 PM Thomas Schneider <74cmonty@xxxxxxxxx> wrote:
>
> Hi Dan,
>
> I have opened this this bug report for balancer not working as expected.
> https://tracker.ceph.com/issues/43586
>
> Then I thought it could make sense to balance the cluster manually by
> means of moving PGs from a heavily loaded OSD to another.
>
> I found your slides "Luminous: pg upmap (dev)
> <https://indico.cern.ch/event/669931/contributions/2742401/attachments/1533434/2401109/upmap.pdf>",
> but I didn't fully understand.
>
> Could you please advise how to move PGs manually?
>
> Regards
> Thomas
>
> Am 23.01.2020 um 16:05 schrieb Dan van der Ster:
> > Hi Frank,
> >
> > No, it is basically balancing the num_pgs per TB (per osd).
> >
> > Cheers, Dan
> >
> >
> > On Thu, Jan 23, 2020 at 3:53 PM Frank R <frankaritchie@xxxxxxxxx
> > <mailto:frankaritchie@xxxxxxxxx>> wrote:
> >
> >     Hi all,
> >
> >     Does using the Upmap balancer require that all OSDs be the same size
> >     (per device class)?
> >
> >     thx
> >     Frank
> >     _______________________________________________
> >     ceph-users mailing list -- ceph-users@xxxxxxx
> >     <mailto:ceph-users@xxxxxxx>
> >     To unsubscribe send an email to ceph-users-leave@xxxxxxx
> >     <mailto:ceph-users-leave@xxxxxxx>
> >
> >
> > _______________________________________________
> > ceph-users mailing list -- ceph-users@xxxxxxx
> > To unsubscribe send an email to ceph-users-leave@xxxxxxx
>
>
_______________________________________________
ceph-users mailing list -- ceph-users@xxxxxxx
To unsubscribe send an email to ceph-users-leave@xxxxxxx



[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Ceph Dev]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux