On Wed, Apr 27, 2011 at 7:28 PM, Dave Chinner <david@xxxxxxxxxxxxx> wrote: > On Wed, Apr 27, 2011 at 12:46:51AM -0700, Christian Kujau wrote: >> On Wed, 27 Apr 2011 at 12:26, Dave Chinner wrote: >> > What this shows is that VFS inode cache memory usage increases until >> > about the 550 sample mark before the VM starts to reclaim it with >> > extreme prejudice. At that point, I'd expect the XFS inode cache to >> > then shrink, and it doesn't. I've got no idea why the either the >> >> Do you remember any XFS changes past 2.6.38 that could be related to >> something like this? > > There's plenty of changes that coul dbe the cause - we've changed > the inode reclaim to run in the background out of a workqueue as > well as via the shrinker, so it could even be workqueue starvation > causing the the problem... RCU free starvation is another possibility? https://lkml.org/lkml/2011/4/25/124 -- Kind regards, Minchan Kim _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
