On Wed, Apr 25, 2007 at 05:47:53PM +0200, Ferenc Wagner wrote: > David Teigland <teigland@xxxxxxxxxx> writes: > > > On Mon, Apr 23, 2007 at 04:17:18PM -0500, David Teigland wrote: > >> > Also, what's that new infrastructure? Do you mean GFS2? I read it > >> > was not production quality yet, so I didn't mean to try it. But again > >> > you may have got something else in your head... > >> > >> GFS1 and GFS2 both run on the new openais-based cluster infrastructure. > >> (in the cluster-2.00.00 release, and the RHEL5 and HEAD cvs branches). > > > > I've attached a little flock/plock performance test that emulates what > > you're doing; could you run it on your cluster and send the results? > > Here you go. This is with three nodes mounting the FS, one running > the test. /proc/cluster/lock_dlm/drop_count was set to 0 before > the mounts. Thanks, some of these numbers look odd to me; I'll need run the test on my own rhel4 cluster to understand them better. In the end, though, I think you'll get the best performance by using flocks under the new cluster infrastructure and kernel. Dave -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster