Striping is turned off. Are there any other optimizations you know of to increase the speed of metadata operations?
On Jan 5, 2008, at 3:50 AM, Robin Humble wrote: > On Fri, Jan 04, 2008 at 09:44:54AM -0500, Aaron Knister wrote: >> For whatever reason, searching my lustre mount (ls -R or find), >> compiling code and other operations involving lots of small files are >> painfully slow. There is no load on the filesystem other than my >> various tests. I've disabled lnet debugging. Just to give you an idea >> of how slow it is-- a ./configure of this particular code on a local >> filesystem takes less than a minute. On lustre it's been running for >> five minutes and is hardly half way through. An untar on the local >> filesystem takes .9 seconds while that same untar takes 12 seconds to >> our lustre mount. Any ideas for improving this? > > do you have striping turned off? > that makes a massive difference for metadata operations... > lfs setstripe -d /some/lustre/dir/ > > cheers, > robin Aaron Knister Associate Systems Analyst Center for Ocean-Land-Atmosphere Studies (301) 595-7000 [EMAIL PROTECTED] _______________________________________________ Lustre-discuss mailing list Lustre-discuss@clusterfs.com https://mail.clusterfs.com/mailman/listinfo/lustre-discuss
