On 3/22/25 1:59 AM, Ilia Baikov wrote: > Wow, didn't think that resolving this will require patching kernel > module. Really impressive. > I've previously compiled and then deployed forked version of ovn- > controller where you did commit revert. Is it good idea to test when > stable kernel revision containing this patch will be available (likely > in coming days in 6.14 atleast 6.14-rc7 seems contain this patch)? >
Indeed, 6.14-rc7 contains Ilya's fix. It's probably OK to test with it. Regards, Dumitru > 20.03.2025 12:28, Dumitru Ceara wrote: >> On 3/19/25 8:42 PM, Ilia Baikov wrote: >>> Hello, >> Hi Ilia, Piotr, >> >>> Nice to hear that it is resolved for you. I've got an advice from friend >>> about reducing ARP pps on Juniper devices (arp is being send only when >>> unicast packet arrives or expire) which reduced ARP pps from about 2 to >>> 3 times. It helped a bit, however issue still persists. >>> >>> @Dumitru Ceara <dce...@redhat.com> >>> @Ales Musil <amu...@redhat.com> >>> Any chance this could be fixed in upcoming release or backported to >>> previous? I could help somehow to speed it up. >>> >> I think we're waiting for Ilya Maximets' kernel fix here to trickle down >> to stable kernels: >> >> https://lore.kernel.org/all/20250308004609.2881861-1-i.maxim...@ovn.org/ >> >> Once that happens I'm guessing we can revert 325c7b203d8b ("controller: >> split mg action in table 39 and 40 to fit kernel netlink buffer size"). >> >> https://github.com/ovn-org/ovn/commit/325c7b2 >> >> We'll still have the 4K resubmit limit problem for BUM packets but >> other_config:broadcast-arps-to-all-routers=false should alleviate some >> of that (at least for ARPs/NDs). >> >>>> Hi, >>>> >>>> Just as a follow up, after setting the >>>> other_config:broadcast-arps-to-all-routers=false parameter on all >>>> external >>>> networks, number of packets sent to the ovn-controller went down from >>>> around 120-130 p/s to 1-3/s. >>>> Most of our ports in external networks are router ports, so this >>>> parameter >>>> helps a lot. >>>> >>>> Thanks >>>> Piotr Misiak >>>> >>>> >>>> pon., 17 lut 2025, 16:37 u?ytkownik Piotr >>>> Misiak<piotrmisiak1...@gmail.com> >>>> napisa?: >> Regards, >> Dumitru >> > _______________________________________________ discuss mailing list disc...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
