[ceph-users] Mons are using a lot of disk space and has a lot of old osd maps
Wido den Hollander
wido at 42on.com
Mon Oct 8 08:11:01 PDT 2018
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
> 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.
> Aleksei Zakharov
> ceph-users mailing list
> ceph-users at lists.ceph.com
More information about the ceph-users