On Thu, Jul 01, 2021 at 12:18:12AM -0700, Ben Pfaff wrote: > On Tue, Jun 29, 2021 at 03:32:26PM -0700, Ben Pfaff wrote: > > On Mon, Jun 28, 2021 at 05:40:53PM +0200, Dumitru Ceara wrote: > > > On 5/20/21 5:50 PM, Ben Pfaff wrote: > > > > On Thu, May 20, 2021 at 05:06:26PM +0200, Dumitru Ceara wrote: > > > >> On 4/7/21 6:49 PM, Ben Pfaff wrote: > > > >> > > > >> [...] > > > >> > > > >>>> > > > >>>> Thanks! I can download them now. It's back on my to-do list. > > > >>> > > > >>> I can reproduce the problem now. I haven't fixed it yet, but I did > > > >>> fix > > > >>> a nasty performance problem in ovn-nbctl that became really apparent > > > >>> when working with your databases: > > > >>> https://mail.openvswitch.org/pipermail/ovs-dev/2021-April/381909.html > > > >> > > > >> I was wondering if you had a chance to look at this since. > > > > > > > > I haven't kept going. I consider my series that gives a 5x performance > > > > improvement a kind of checkpoint along the way. I assumed at first that > > > > it would get reviewed quickly so I could move on to other things, but no > > > > one has looked at it yet. > > > > > > > > > > > > > Hi Ben, > > > > > > Just a note, I've tried this again with ovn-northd-ddlog built from > > > current OVN master branch, running against the same DBs: > > > > I've identified the problem. It's because of the ReachableLogicalRouter > > relation, which holds all pairs of routers (A,B) such that a packet at > > router A can transit switches and rotuers to arrive at router B. This > > is inherently O(n**2) and in this example n is about 8,000. > > > > I'll fix it. > > The following is pretty close, but I see three test failures I need to > investigate: > > 273: ovn.at:11253 ovn -- vlan traffic for external network with > distributed router gateway port -- ovn-northd-ddlog -- dp-groups=yes > 641: ovn.at:26903 ovn -- proxy-arp: 1 HVs, 1 LSs, 1 lport/LS, 1 LR > -- ovn-northd-ddlog -- dp-groups=yes > proxy-arp > 642: ovn.at:26903 ovn -- proxy-arp: 1 HVs, 1 LSs, 1 lport/LS, 1 LR > -- ovn-northd-ddlog -- dp-groups=no > proxy-arp
These test failures were red herrings. I posted a formal version of this patch for review: https://patchwork.ozlabs.org/project/ovn/patch/[email protected]/ _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
