On Tuesday 19 October 2004 14:05, Derek Anderson wrote: > I've rerun the simple performance tests originally run by Daniel > McNeil with the addition of the gulm lock manager on the 2.6.8.1 > kernel and GFS 6.0 on the 2.4.21-20.EL kernel. ... > gfs dlm 1 node tar 0m19.480s 0m0.474s 0m8.975s ... > gfs gulm 1 node tar 0m36.568s 0m0.491s 0m7.831s Single node performance is heavily dependent on the lock manager(!). How about with nolock? > du -s linux-2.6.8.1 (after untar): > ---------------------------------- > real user sys > ext3 0m0.103s 0m0.018s 0m0.055s > > gfs dlm 1 node 0m5.149s 0m0.041s 0m1.905s ... > gfs gulm 1 node 0m0.355s 0m0.025s 0m0.330s Elephant hiding under the rug... Regards, Daniel