You can't get line rate with ixgbe, in what configuration/hardware? We surely do get line rate in validation here, but its sensitive to your hardware and config.
Jack On Mon, Dec 5, 2011 at 2:28 PM, Luigi Rizzo <[email protected]> wrote: > On Mon, Dec 05, 2011 at 11:15:09PM +0200, Daniel Kalchev wrote: > > > > On Dec 5, 2011, at 9:27 PM, Luigi Rizzo wrote: > > > > > - have two machines connected by a 10G link > > > - on one run "nuttcp -S" > > > - on the other one run "nuttcp -t -T 5 -w 128 -v the.other.ip" > > > > > > > Any particular tuning of FreeBSD? > > actually my point is first to see how good or bad are the defaults. > > I have noticed that setting hw.ixgbe.max_interrupt_rate=0 > (it is a tunable, you need to do it before loading the module) > improves the throughput by a fair amount (but still way below > line rate with 1500 byte packets). > > other things (larger windows) don't seem to help much. > > cheers > luigi > _______________________________________________ > [email protected] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "[email protected]" > _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "[email protected]"
