On Thu, Nov 02, 2006 at 10:59:51AM -0600, Robert Olson wrote: > The nodes in my cluster have dual Gig-E nics (tigon3). I'm pondering > the installation of a second gigE switch to attach them all with a > private storage network, and run it with jumbo frames. Do you think > I'd see a significant performance increase with PVFS in this > configuration?
Hi Bob We definitely expect jumbo frames to help out pvfs a lot. Ti's had good results on the teragrid, for example [1]. Unfortunately, I don't think anyone has quantified the benefit. > I'm also curious if folks have experimented with the effects of the > TCP segment offload stuff that is available on these NICs. Again, should help PVFS a lot, but we've got no hard data. ==rob [1] http://www.teragridforum.org/mediawiki/index.php?title=TG-11 -- Rob Latham Mathematics and Computer Science Division A215 0178 EA2D B059 8CDF Argonne National Lab, IL USA B29D F333 664A 4280 315B _______________________________________________ Pvfs2-users mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
