I'm in process of doing this and would post my findings...I was just curious if someone in the list has seen such scaling issues...
Cheers, Marty! On Wed, Apr 10, 2013 at 7:11 PM, Stephen Hemminger < [email protected]> wrote: > Try using perf to look at where system is spending it's time. > > On Wed, Apr 10, 2013 at 3:55 PM, SDN learn <[email protected]> wrote: > > Hi, > > > > I'm running OVS-1.4 release on a low frequency x86 machine. I see that > > performance doesn't seem to scale linearly from 1 to 2 to 4 cores. > > > > I have three PC setup: PC1 is generating netperf traffic, PC2 runs OVS, > PC3 > > is terminating traffic. OVS is bridging between two ethernet ports. > > > > The datapath uses RCU locking mechanism which is quite efficient. What > could > > be other areas where there is contention when running OVS on multi-core > > machine. > > > > Thank you, > > Marty! > > PS: Would upgrading to a later version help? > > > > > > _______________________________________________ > > dev mailing list > > [email protected] > > http://openvswitch.org/mailman/listinfo/dev > > >
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