On Wed, 2011-02-16 at 14:40 -0700, Gregory Farnum wrote: > On Wednesday, February 16, 2011 at 1:25 PM, Jim Schutt wrote: > > Hi, > > > > I've been testing v0.24.3 w/ 64 clients against > > 1 mon, 1 mds, 96 osds. Under heavy write load I > > see: > > [WRN] map e7 wrongly marked me down or wrong addr > > > > I was able to sort through the logs and discover that when > > this happens I have large gaps (10 seconds or more) in osd > > heatbeat processing. In those heartbeat gaps I've discovered > > long periods (5-15 seconds) where an osd logs nothing, even > > though I am running with debug osd/filestore/journal = 20. > > > > Is this a known issue? > > You're running on btrfs? Yep. > We've come across some issues involving very long sync times that I believe manifest like this. Sage is looking into them, although it's delayed at the moment thanks to FAST 11. :) OK, great. -- Jim > -Greg > -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
