Thanks folks!
> On 28 Feb 2018, at 22:10, Ben Pfaff <b...@ovn.org> wrote: > >> On Tue, Feb 27, 2018 at 03:56:40PM +0100, Daniel Alvarez Sanchez wrote: >> Hi all, >> >> When working on the performance of the OVN OpenStack integration and >> following up this thread [0]. >> >> I went a bit deeper trying to find out the root cause of the linear growth. >> It happens that during the processing of the update2 messages, when there's >> a 'modify' operation, the data is converted to JSON [1] and then we build a >> Row from this JSON [2]. >> >> This seems pretty useless and, since the JSON document is not used anywhere >> else, I just avoided that conversion. This conversion takes longer as the >> number of elements in the row increases, which is the case of adding a new >> address to the Address_Set table or adding new ACLs to the acl column in >> Logical_Switch. This have a big impact at scale and it can be easily fixed. >> >> After removing the extra conversions (I'll be submitting the patch in a >> while), the time for creating ports from OpenStack remains almost constant >> regardless of the amount of ports in the system as you can see in the >> attached image and further in this blogpost [3] and it's cut down >> considerably. > > Great detective work! _______________________________________________ discuss mailing list disc...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-discuss