What's the current health of the cluster? It may help to compact the monitors' LevelDB store if they have grown in size http://www.sebastien-han.fr/blog/2014/10/27/ceph-mon-store-taking-up-a-lot-of-space/ Depends on the size of the mon's store size it may take some time to compact, make sure to do only one at a time.
*Kobi Laredo* *Cloud Systems Engineer* | (*408) 409-KOBI* On Fri, Mar 27, 2015 at 10:31 AM, Chu Duc Minh <chu.ducm...@gmail.com> wrote: > All my monitors running. > But i deleting pool .rgw.buckets, now having 13 million objects (just test > data). > The reason that i must delete this pool is my cluster become unstable, and > sometimes an OSD down, PG peering, incomplete,... > Therefore i must delete this pool to re-stablize my cluster. (radosgw is > too slow for delete objects when one of my bucket reachs few million > objects). > > Regards, > > > On Sat, Mar 28, 2015 at 12:23 AM, Gregory Farnum <g...@gregs42.com> wrote: > >> Are all your monitors running? Usually a temporary hang means that the >> Ceph client tries to reach a monitor that isn't up, then times out and >> contacts a different one. >> >> I have also seen it just be slow if the monitors are processing so many >> updates that they're behind, but that's usually on a very unhappy cluster. >> -Greg >> On Fri, Mar 27, 2015 at 8:50 AM Chu Duc Minh <chu.ducm...@gmail.com> >> wrote: >> >>> On my CEPH cluster, "ceph -s" return result quite slow. >>> Sometimes it return result immediately, sometimes i hang few seconds >>> before return result. >>> >>> Do you think this problem (ceph -s slow return) only relate to >>> ceph-mon(s) process? or maybe it relate to ceph-osd(s) too? >>> (i deleting a big bucket, .rgw.buckets, and ceph-osd(s) disk util quite >>> high) >>> >>> Regards, >>> _______________________________________________ >>> ceph-users mailing list >>> ceph-users@lists.ceph.com >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> >> > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >
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