On 10/09/2018 09:35 AM, Aleksei Zakharov wrote: > If someone is interested: we've found a workaround in this mailing list: > https://www.spinics.net/lists/ceph-users/msg47963.html > It looks like an old bug. > We fixed the issue by restarting all ceph-mon services one by one. Mon's > store uses ~500Mb now and osd's removed old osd maps: > ~# find /var/lib/ceph/osd/ceph-224/current/meta/ | wc -l > 1839 > > New osd's have only 1.35GiB used space after first start with no weight. >
Since you MONs are rather old I think they are using LevelDB instead of RocksDB. It might be worth it to re-deploy the MONs one by one to have them use RocksDB. Wido > > 08.10.2018, 22:31, "Aleksei Zakharov" <zakharov....@yandex.ru>: >> As i can see, all pg's are active+clean: >> >> ~# ceph -s >> cluster: >> id: d168189f-6105-4223-b244-f59842404076 >> health: HEALTH_WARN >> noout,nodeep-scrub flag(s) set >> mons 1,2,3,4,5 are using a lot of disk space >> >> services: >> mon: 5 daemons, quorum 1,2,3,4,5 >> mgr: api1(active), standbys: api2 >> osd: 832 osds: 791 up, 790 in >> flags noout,nodeep-scrub >> >> data: >> pools: 10 pools, 52336 pgs >> objects: 47.78M objects, 238TiB >> usage: 854TiB used, 1.28PiB / 2.12PiB avail >> pgs: 52336 active+clean >> >> io: >> client: 929MiB/s rd, 1.16GiB/s wr, 31.85kop/s rd, 36.19kop/s wr >> >> 08.10.2018, 22:11, "Wido den Hollander" <w...@42on.com>: >>> On 10/08/2018 05:04 PM, Aleksei Zakharov wrote: >>>> Hi all, >>>> >>>> We've upgraded our cluster from jewel to luminous and re-created >>>> monitors using rocksdb. >>>> Now we see, that mon's are using a lot of disk space and used space only >>>> grows. It is about 17GB for now. It was ~13GB when we used leveldb and >>>> jewel release. >>>> >>>> When we added new osd's we saw that it downloads from monitors a lot of >>>> data. It was ~15GiB few days ago and it is ~18GiB today. >>>> One of the osd's we created uses filestore and it looks like old osd >>>> maps are not removed: >>>> >>>> ~# find /var/lib/ceph/osd/ceph-224/current/meta/ | wc -l >>>> 73590 >>>> >>>> I've tried to run manual compaction (ceph tell mon.NUM compact) but it >>>> doesn't help. >>>> >>>> So, how to stop this growth of data on monitors? >>> >>> What is the status of Ceph? Can you post the output of: >>> >>> $ ceph -s >>> >>> MONs do not trim their database if one or more PGs aren't active+clean. >>> >>> Wido >>> >>>> -- >>>> Regards, >>>> Aleksei Zakharov >>>> >>>> _______________________________________________ >>>> ceph-users mailing list >>>> ceph-users@lists.ceph.com >>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >> -- >> Regards, >> Aleksei Zakharov >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@lists.ceph.com >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > -- > Regards, > Aleksei Zakharov > _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
