On 11 Aug 2014, at 09:32, Niu Zhixiong <kaia...@gmail.com> wrote: > Thanks for your reminding. I tried hw.igb.num_queues=2 just now. But, the > throughput is still slow. And When I tested same things in my Virtual > machine-based environment(use Virtio), the throughput is similar(SCTP is 2x > than TCP). So is the curve still the same or is it now constantly half of the SCTP throughput which was almost constant for different RTTs...
Best regards Michael > > Regards, > Niu Zhixiong > －－－－－－－－－－－－－－－ > kaia...@gmail.com > > > On Mon, Aug 11, 2014 at 3:08 PM, Eggert, Lars <l...@netapp.com> wrote: > Hi, > > On 2014-8-10, at 5:48, Niu Zhixiong <kaia...@gmail.com> wrote: > > I am using Intel I350-T4 NIC. > > igb driver? > > I've been having weird issues with this driver under 10-RELEASE, too. On one > machine, I had to limit hw.igb.num_queues=2 in order to get any sort of > useful connectivity. On another machine, I had to severely bump > kern.ipc.nmbclusters & friends. I'm not sure this is the issue here, since > SCTP seems to be working OK, but I'm not trusting igb NICs at the moment. > > Lars > _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
