We have a lot of small packets passing through the FreeBSD firewall (~1000 concurrent IP Phones (with 10ms voice payload) speaking at same time plus 'LAN' traffic)....
I'll test and report the results. I think that the feature can help on this case. Thanks. Em 29 de fevereiro de 2012 19:17, Jack Vogel <jfvo...@gmail.com> escreveu: > It seems to help in some workloads, makes little difference in others, and > can even be > less performance in yet others. Its just not a feature that is a 100% win, > that's why its > not on by default. Try it and see. > > Cheers, > > Jack > > > On Wed, Feb 29, 2012 at 5:10 AM, Rafael Ganascim <rganas...@gmail.com> > wrote: >> >> Hi list, >> >> I was looking in the igb driver that I use on some Intel nics >> (dualport and quadport gigabit) and in the source code, the feature: >> >> /* >> ** Header split causes the packet header to >> ** be dma'd to a seperate mbuf from the payload. >> ** this can have memory alignment benefits. But >> ** another plus is that small packets often fit >> ** into the header and thus use no cluster. Its >> ** a very workload dependent type feature. >> */ >> >> Somebody is using this feature? What's the results? >> >> I think that this feature can be helpfull to improve the performance, >> allowing the processing of the packet headers more fastest (pfills, >> routing, etc). Is this true? >> >> Thanks in advance. >> >> Rafael >> _______________________________________________ >> 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" > > _______________________________________________ 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"
