BTW, I didn't spot any of these messages in the log: https://github.com/openvswitch/ovs/blob/4cc9d1f03f83e9fac90a77ddaca0af662b2758b1/ovsdb/file.c#L615
I'll add a few traces to figure out why the auto compact is not triggering. Also, I could see the trace when I ran it manually: 2018-03-07T13:32:21.672Z|00021|ovsdb_server|INFO|compacting OVN_Southbound database by user request 2018-03-07T13:32:21.672Z|00022|ovsdb_file|INFO|/opt/stack/data/ovs/ovnsb_db.db: compacting database online (1519124364.908 seconds old, 951 transactions) On Wed, Mar 7, 2018 at 2:40 PM, Daniel Alvarez Sanchez <dalva...@redhat.com> wrote: > Hi folks, > > During the performance tests I've been doing lately I noticed > that the size of the Southbound database was around 2.5GB > in one of my setups. I couldn't dig further then but now I > decided to explore a bit more and these are the results in > my all-in-one OpenStack setup using OVN as a backend: > > * Created 800 ports on the same network (logical switch). > * Deleted those 800 ports. > * I logged the DB sizes for both NB and SB databases every second. > > See attached image for the results. > > At around x=2000, the creation task finished and deletion starts. > As you can see, there's automatic compact happening in the > NB database across the whole test. However, while I was deleting > ports, the SB database stop shrinking and keeps growing. > > After the test finished, the DB sizes remaining the same > thus SB database being around 34MB. It was not until I > manually compacted it when it finally shrinked: > > > [stack@ovn ovs]$ ls -alh ovnsb_db.db > -rw-r--r--. 1 stack stack 34M Mar 7 12:04 ovnsb_db.db > > [stack@ovn ovs]$ sudo ovs-appctl -t > /usr/local/var/run/openvswitch/ovnsb_db.ctl > ovsdb-server/compact > > [stack@ovn ovs]$ ls -alh ovnsb_db.db > -rw-r--r--. 1 stack stack 207K Mar 7 13:32 ovnsb_db.db > > I'll try to investigate further in the code. > Thanks, > > Daniel >
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