Thank you very much! On 29 Mar 2015 11:25, "Kobi Laredo" <kobi.lar...@dreamhost.com> wrote:
> I'm glad it worked. > You can set a warning to catch this early next time (1GB) > > *mon leveldb size warn = 1000000000* > > > > *Kobi Laredo* > *Cloud Systems Engineer* | (*408) 409-KOBI* > > On Fri, Mar 27, 2015 at 5:45 PM, Chu Duc Minh <chu.ducm...@gmail.com> > wrote: > >> @Kobi Laredo: thank you! It's exactly my problem. >> # du -sh /var/lib/ceph/mon/ >> *2.6G * /var/lib/ceph/mon/ >> # ceph tell mon.a compact >> compacted leveldb in 10.197506 >> # du -sh /var/lib/ceph/mon/ >> *461M* /var/lib/ceph/mon/ >> Now my "ceph -s" return result immediately. >> >> Maybe monitors' LevelDB store grow so big because i pushed 13 millions >> file into a bucket (over radosgw). >> When have extreme large number of files in a bucket, the state of ceph >> cluster could become unstable? (I'm running Giant) >> >> Regards, >> >> On Sat, Mar 28, 2015 at 12:57 AM, Kobi Laredo <kobi.lar...@dreamhost.com> >> wrote: >> >>> 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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