[ Re-added the list since I don't have log files. ;) ] On Mon, Dec 9, 2013 at 5:52 AM, Oliver Schulz <oschulz@xxxxxxxxxx> wrote: > Hi Greg, > > I'll send this privately, maybe better not to post log-files, etc. > to the list. :-) > > >> Nobody's reported it before, but I think the CephFS MDS is sending out >> too many delete requests. [...] >> >> That's all speculation on my part though; can you go sample the slow >> requests and see what their makeup looked like? Do you have logs from >> the MDS or OSDs during that time period? > > > Uh - how do I sample the requests? I believe the slow requests should have been logged in the monitor's central log. That's a file sitting in the mon directory, and is probably accessible via other means I can't think of off-hand. Go see if it describes what the slow OSD requests are (eg, are they a bunch of MDS deletes with some other stuff sprinkled in, or all other stuff, or whatever). > Concerning logs - you mean the regular ceph daemon log files? > Sure - I'm attaching a tarball of all daemon logs from the > relevant time interval (please don't publish them ;-) ). > It's 13.2 MB, I hope it goes through by email. > > > I also dumped "ceph health" every minute during the test. > > * 15:34:34 to 15:48:37 is the effect from my first mass delete. I aborted > that one before it could finished, to see if emperor would to better By abort, you mean you stopped deleting all the things you intended to? <snip> -Greg Software Engineer #42 @ http://inktank.com | http://ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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