On Thu, May 20, 2010 at 10:43:58AM -0400, Brian J. Murrell wrote: > On Thu, 2010-05-20 at 16:27 +0200, Olivier Hargoaa wrote: > > > > On Lustre we get poor read performances > > and good write performances so we decide to modify Lustre network in > > order to see if problems comes from network layer. > > Without having any other information other than your statement that > "performance is good in one direction but not the other" I wonder why > you consider the network as being the most likely candidate as a culprit > for this problem.
Maybe you should start with running lnet self test to compare read & write performance? http://wiki.lustre.org/manual/LustreManual18_HTML/LustreIOKit.html#50598014_pgfId-1290255 Johann _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
