On Thu, 2009-07-16 at 10:51 -0700, Jeff Haferman wrote: > We have a SGE array task that we wish to run with elements 1-70000. > Each task generates output and takes roughly 20 seconds to 4 minutes > of CPU time. We're doing them on a machine with about 144 8-core nodes, > and we've divvied the job up to do about 500 at a time. > > So, we have 500 jobs at a time writing to the same ZFS partition.
Sorry no answers, just some question that first came to mind. Where is your bottleneck? Is it drive I/O or Network? Are all nodes accessing/writing via NFS? Is this a NFS sync issue? Might a SSD ZIL help? -- Louis-Frédéric Feuillette <jeb...@gmail.com> _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
