On 03/13/2017 01:03 PM, Navdeep Parhar wrote: > On Sun, Mar 12, 2017 at 5:35 PM, John Jasen <jja...@gmail.com> wrote: >> UDP traffic. dmesg reports 16 txq, 8 rxq -- which is the default for >> Chelsio. >> > I don't recall offhand, but UDP might be using 2-tuple hashing by > default and that might affect the distribution of flows across queues. > Are there senders generating IP fragments by any chance (that'll > depend on the "send size" that your UDP application is using)?
No, they're not fragmenting. > Have you tried limiting the adapter's rx ithreads to the CPU that the > PCIe slot with the adapter is wired to? Above and beyond the use of cpuset, you mean? _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"