On Thu, Oct 8, 2015 at 6:29 AM, Burkhard Linke <Burkhard.Linke@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > Hammer 0.94.3 does not support a 'dump cache' mds command. > 'dump_ops_in_flight' does not list any pending operations. Is there any > other way to access the cache? "dumpcache", it looks like. You can get all the supported commands with "help" and look for things of interest or alternative phrasings. :) > > 'perf dump' stray information (after mds restart): > "num_strays": 2327, > "num_strays_purging": 0, > "num_strays_delayed": 0, > "strays_created": 33, > "strays_purged": 34, > > The data pool is a combination of EC pool and cache tier. I've evicted the > cache pool resulting in 128 objects left (one per PG? hitset information?). Yeah, probably. I don't remember the naming scheme, but it does keep hitset objects. I don't think you should be able to list them via rados but they probably show up in the aggregate stats. -Greg > After restarting the MDS the number of objects increases by 7 objects (the > ones left in the data pool). So either the MDS rejoin process promotes them > back to the cache, or some ceph-fuse instance insists on reading them. _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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