Hello Andy, [email protected] (andy), 2013.05.15 (Wed) 11:29 (CEST): > This is my first post here so please forgive me/guide me if I have done > anything wrong.
I recommend providing dmesg and specific info for those that can comment on the subject. > I run 12 OpenBSD firewalls, and I have an issue on my highest throughput > boxes. I have HP DL160 G6 boxes with Intel ET2 4 port NIC's. > I have a problem where I cannot run traffic any faster than ~700Mbit as I > am hitting 100% utilisation on the first core due to the giant big lock > trying to process the MSI interrupts. > > The traffic comprises of lots of small payload packets (currently running > around 300,000 to 400,000 pps) and I cannot run any faster. > > I have tunned the boxes as much as possible using information from > <not repeating outdated info> etc and overall we have been extremely > happy with them, expect for the performance limits. mentioning that webpage (cal???.org) will not get you many friends at misc@ Bye, Marcus > I understand the devs want to keep the network stack in-house as their are > many network cards that simply screw things up, and it is this approach > which has given OBSD the stability and security reputation it has. But this > approach with the giant big lock limit imposes a hard performance limit for > OBSD. But I do also understand that the devs realise this and as a short > term solution until the kernel becomes true SMP, they have started to > implement ToE and offloading for some NICs :D :) > > Can you please tell me when ToE support will be added for the Intel series > of cards? We are going to have to abandon OBSD if it cannot perform at the > throughputs we need but I really want to stay with OBSD? I am not a > developer and so cannot contribute myself to any efforts (believe me I > would if i could!).. > > Thanks for your time and a great community. Andy. > > !DSPAM:519355be279101996811627!
