On Wed, 27 Jul 2011, Christian Brunner wrote: > We are having quite some problems with the underlying filesystem for > the cosd's and I would like to hear about other experiences. Here is > what we have gone through so far: > > btrfs with 2.6.38: > > - good performance > - frequently hitting of various BUG_ON conditions > > btrfs with 2.6.39: > > - big performance problems after a few days uptime > - occasionally hitting BUG_ON conditions > > btrfs with 3.0: > > - big performance problems after a few days uptime > - occasionally hitting a deadlock in the btrfs filesystem (cosd is in D-state) You might try 3.0 + the latest stuff Chris just sent to Linus (at least for the D-state problem). I'm eager to see whether the latencytop info you sent is helpful for the rest. FWIW we're running 2.6.38+ at the moment. We get some warnings with the orphan code (fixed in .39), but it's otherwise been reasonably stable. sage -- 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
