On Wed, 2013-10-09 at 15:18 +0200, Joao Eduardo Luis wrote: > On 09/10/13 13:38, Kees Bos wrote: > > Hi, > > > > What is the estimated storage usage for a monitor (i.e. the amount of > > data stored in /var/lib/ceph/mon/ceph-mon01) > > > > Currently in my starting test system it's something like 40M (du -s > > -h /var/lib/ceph/mon/ceph-mon01), but that will probably grow with the > > number of osds. > > > > Are there some numbers available? > > We don't have hard numbers for you unfortunately. From my experience > however I can tell you that it will grow to several hundred MB to few > GB. It mostly depends on your cluster size, OSD-wise, and the > healthiness of your cluster (if you spend a considerable time in an > unhealthy OSD state, then the monitors will keep more OSD maps that they > usually do, thus increasing disk usage). > > As a rule of thumbs, if your monitors' stores hit double-digits GBs and > keep growing, you should definitely look into what's going on and maybe > drop in #ceph @ OFTC, but that has been becoming unlikely as of latest > releases. Thanks a lot. I'm playing with the idea to put a monitor database on 55Gb (ext4 formated) SSD, so at least the size will be OK for a while... _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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