so you mean that rocksdb and osdmap filled disk about 40G for only 800k files? I think it's not reasonable and it's too high
On Mon, Feb 12, 2018 at 5:06 PM, David Turner <drakonst...@gmail.com> wrote: > Some of your overhead is the Wal and rocksdb that are on the OSDs. The Wal > is pretty static in size, but rocksdb grows with the amount of objects you > have. You also have copies of the osdmap on each osd. There's just overhead > that adds up. The biggest is going to be rocksdb with how many objects you > have. > > On Mon, Feb 12, 2018, 8:06 AM Behnam Loghmani <behnam.loghm...@gmail.com> > wrote: > >> Hi there, >> >> I am using ceph Luminous 12.2.2 with: >> >> 3 osds (each osd is 100G) - no WAL/DB separation. >> 3 mons >> 1 rgw >> cluster size 3 >> >> I stored lots of thumbnails with very small size on ceph with radosgw. >> >> Actual size of files is something about 32G but it filled 70G of each osd. >> >> what's the reason of this high disk usage? >> should I change "bluestore_min_alloc_size_hdd"? and If I change it and >> set it to smaller size, does it impact on performance? >> >> what is the best practice for storing small files on bluestore? >> >> Best regards, >> Behnam Loghmani >> _______________________________________________ >> ceph-users mailing list >> ceph-users@lists.ceph.com >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >
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