Do you have a custom value for osd_snap_trim_sleep ? On Wed, Apr 8, 2020 at 2:03 PM Jack <ceph@xxxxxxxxxxxxxx> wrote: > > I put the nosnaptrim during upgrade because I saw high CPU usage and > though it was somehow related to the upgrade process > However, all my daemon are now running Octopus, and the issue is still > here, so I was wrong > > > On 4/8/20 1:58 PM, Wido den Hollander wrote: > > > > > > On 4/8/20 1:38 PM, Jack wrote: > >> Hello, > >> > >> I've a issue, since my Nautilus -> Octopus upgrade > >> > >> My cluster has many rbd images (~3k or something) > >> Each of them has ~30 snapshots > >> Each day, I create and remove a least a snapshot per image > >> > >> Since Octopus, when I remove the "nosnaptrim" flags, each OSDs uses 100% > >> of its CPU time > > > > Why do you have the 'nosnaptrim' flag set? I'm missing that piece of > > information. > > > >> The whole cluster collapses: OSDs no longer see each others, most of > >> them are seens as down .. > >> I do not see any progress being made : it does not appear the problem > >> will solve by itself > >> > >> What can I do ? > >> > >> Best regards, > >> _______________________________________________ > >> 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 _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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