Ah, yeah, you hit https://tracker.ceph.com/issues/63389 during the upgrade. Josh On Tue, Jan 30, 2024 at 3:17 AM Jan Marek <jmarek@xxxxxx> wrote: > > Hello again, > > I'm sorry, I forgot attach file... :-( > > Sincerely > Jan > > Dne Út, led 30, 2024 at 11:09:44 CET napsal(a) Jan Marek: > > Hello Sridhar, > > > > at Saturday I've finished upgrade proces to 18.2.1. > > > > Cluster is now in HEALTH_OK state and performs well. > > > > According to my colleagues there are lower latences and good > > throughput. > > > > On OSD nodes there is relative low I/O activity. > > > > I still have mClock profile "high_client_ops". > > > > When I was stucked in the upgrade process, I had in logs so many > > records, see attached file. Since upgrade is complete, this > > messages went away... Can be this reason of poor > > performance? > > > > Sincerely > > Jan Marek > > > > Dne Čt, led 25, 2024 at 02:31:41 CET napsal(a) Jan Marek: > > > Hello Sridhar, > > > > > > Dne Čt, led 25, 2024 at 09:53:26 CET napsal(a) Sridhar Seshasayee: > > > > Hello Jan, > > > > > > > > Meaning of my previous post was, that CEPH cluster didn't fulfill > > > > my needs and, although I had set mClock profile to > > > > "high_client_ops" (because I have a plenty of time to rebalancing > > > > and scrubbing), my clients went to problems. > > > > > > > > As far as the question around mClock is concerned, there are further > > > > improvements in the works to handle QoS between client ops and > > > > background scrub ops. This should help address the issue you are > > > > currently facing. See PR: https://github.com/ceph/ceph/pull/51171 > > > > for more information. > > > > Also, it would be helpful to know the Ceph version you are currently using. > > > > > > thanks for your reply. > > > > > > I've just in process upgrade between 17.2.6 and 18.2.1 (you can > > > see my previous posts about stuck in upgrade to reef). > > > > > > Maybe this was cause of my problem... > > > > > > Now I've tried give rest to the cluster to do some "background" > > > tasks (and it seems, that this was correct, because on my hosts > > > there is around 50-100MBps read and cca 10-50MBps write traffic - > > > cca 1/4-1/2 of previous load). > > > > > > At Saturday I will change some settings on networking and I will > > > try to start upgrade process, maybe with --limit=1, to be "soft" > > > for cluster and for our clients... > > > > > > > -Sridhar > > > > > > Sincerely > > > Jan Marek > > > -- > > > Ing. Jan Marek > > > University of South Bohemia > > > Academic Computer Centre > > > Phone: +420389032080 > > > http://www.gnu.org/philosophy/no-word-attachments.cs.html > > > > > > > > > _______________________________________________ > > > ceph-users mailing list -- ceph-users@xxxxxxx > > > To unsubscribe send an email to ceph-users-leave@xxxxxxx > > > > > > -- > > Ing. Jan Marek > > University of South Bohemia > > Academic Computer Centre > > Phone: +420389032080 > > http://www.gnu.org/philosophy/no-word-attachments.cs.html > > > > > _______________________________________________ > > ceph-users mailing list -- ceph-users@xxxxxxx > > To unsubscribe send an email to ceph-users-leave@xxxxxxx > > > -- > Ing. Jan Marek > University of South Bohemia > Academic Computer Centre > Phone: +420389032080 > http://www.gnu.org/philosophy/no-word-attachments.cs.html > _______________________________________________ > 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
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