On Thu, 2006-11-16 at 05:10 -0700, Lee Ward wrote: > On Wed, 2006-11-15 at 15:56 -0500, Peter Bojanic wrote: > > On 2006-11-15, at 12:36 , Peter Bojanic wrote: > > > > > Shane, > > > > > > Regarding the read performance issues you mentioned today... > > > > Some further news... > > > > - Sandia (Redstorm) reports 100% CPU utilization during reads on both > > Linux and Cray systems; they're running Unicos 1.4, based on Lustre > > 1.4.6 > > > > ===> Lee, is there a Bugzilla reported by Sandia that describes this > > issue? > > Not that I know of. I believe we are supposed to submit one relative to > the block side of Rose.
*black > > --Lee > > > > > - Indiana University reports a similar read performance drop-off but > > with Lustre 1.4.7.x. I've escalated the following Bugzilla to our IO > > team with the highest priority: > > > > Bug 11194: simultaneous reads of same one stripe file show decrease > > in performance > > > > ===> mjmac, can you please make sure we've got Cluster Surveys for > > both Indiana University and for Rizzo at ORNL so engineering can > > understand the scope of these systems > > > > Thanks, > > Peter > > > > _______________________________________________ > Lustre-discuss mailing list > [email protected] > https://mail.clusterfs.com/mailman/listinfo/lustre-discuss > _______________________________________________ Lustre-discuss mailing list [email protected] https://mail.clusterfs.com/mailman/listinfo/lustre-discuss
