On 7/16/21 1:54 AM, Ben Pfaff wrote: > On Mon, Jul 12, 2021 at 04:42:27PM -0700, Ben Pfaff wrote: >> On Thu, Jul 08, 2021 at 08:59:24PM +0200, Dumitru Ceara wrote: >>> Hi Ben, >>> >>> As discussed earlier, during the OVN meeting, I've noticed a new >>> performance issue with ovn-northd-ddlog when running it against a >>> database from one of our more recent scale tests: >>> >>> http://people.redhat.com/~dceara/ovn-northd-ddlog-tests/20210708/ovnnb_db.db >>> >>> ovn-northd-ddlog uses 100% CPU and never really reaches the point to >>> perform the first transaction to the Southbound. Memory usage is also >>> very high, I stopped it at 45GB RSS. >>> >>> To test I did: >>> SANDBOXFLAGS="--nbdb-source=/tmp/ovnnb_db.db --ddlog" make sandbox >> >> Thanks. I've been spending a lot of time with this Friday and today. >> It is a bit different from the other issues I've looked at. The >> previous ones were inefficient production of relatively small output. >> This one is inefficient production (and storage) of rather large output >> (millions of flows). I'm trying to get help from Leonid on how to >> reduce the memory usage. > > Leonid has been looking into this and we're going to talk through a > solution tomorrow. With luck, I'll have some patches soon after that. >
Thanks for the update! _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
