if i comment filestore_split_multiple = 72 filestore_merge_threshold = 480 in the ceph.conf wont ceph take the default value of 2 and 10 and we would be in more splits and crashes?
in.linkedin.com/in/nikhilravindra On Fri, Mar 29, 2019 at 6:55 AM huang jun <hjwsm1...@gmail.com> wrote: > It seems like the split settings result the problem, > what about comment out those settings then see it still used that long > time to restart? > As a fast search in code, these two > filestore_split_multiple = 72 > filestore_merge_threshold = 480 > doesn't support online change. > > Nikhil R <nikh.ravin...@gmail.com> 于2019年3月28日周四 下午6:33写道： > > > > Thanks huang for the reply. > > Its is the disk compaction taking more time > > the disk i/o is completely utilized upto 100% > > looks like both osd_compact_leveldb_on_mount = false & > leveldb_compact_on_mount = false isnt working as expected on ceph v10.2.9 > > is there a way to turn off compaction? > > > > Also, the reason why we are restarting osd's is due to splitting and we > increased split multiple and merge_threshold. > > Is there a way we would inject it? Is osd restarts the only solution? > > > > Thanks In Advance > > > > in.linkedin.com/in/nikhilravindra > > > > > > > > On Thu, Mar 28, 2019 at 3:58 PM huang jun <hjwsm1...@gmail.com> wrote: > >> > >> Did the time really cost on db compact operation? > >> or you can turn on debug_osd=20 to see what happens, > >> what about the disk util during start? > >> > >> Nikhil R <nikh.ravin...@gmail.com> 于2019年3月28日周四 下午4:36写道： > >> > > >> > CEPH osd restarts are taking too long a time > >> > below is my ceph.conf > >> > [osd] > >> > osd_compact_leveldb_on_mount = false > >> > leveldb_compact_on_mount = false > >> > leveldb_cache_size=1073741824 > >> > leveldb_compression = false > >> > osd_mount_options_xfs = "rw,noatime,inode64,logbsize=256k" > >> > osd_max_backfills = 1 > >> > osd_recovery_max_active = 1 > >> > osd_recovery_op_priority = 1 > >> > filestore_split_multiple = 72 > >> > filestore_merge_threshold = 480 > >> > osd_max_scrubs = 1 > >> > osd_scrub_begin_hour = 22 > >> > osd_scrub_end_hour = 3 > >> > osd_deep_scrub_interval = 2419200 > >> > osd_scrub_sleep = 0.1 > >> > > >> > looks like both osd_compact_leveldb_on_mount = false & > leveldb_compact_on_mount = false isnt working as expected on ceph v10.2.9 > >> > > >> > Any ideas on a fix would be appreciated asap > >> > in.linkedin.com/in/nikhilravindra > >> > > >> > _______________________________________________ > >> > ceph-users mailing list > >> > ceph-users@lists.ceph.com > >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >> > >> > >> > >> -- > >> Thank you! > >> HuangJun > > > > -- > Thank you! > HuangJun >
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