> On 4 May 2015, at 10:59, Gergely Pongracz <gergely.pongr...@ericsson.com> > wrote: > > Hi, > > We ran into some issues using the DPDK based OVS switch (2.3.90). We used > pktgen for traffic generation.
Hi Gergely, thanks for sharing these results > *1. Multiple flows -> degrading performance* > > Everything looks nice, but when we generate multiple flows with different MAC > addresses the switch performance drops. On an Intel Atom system the packet > rate was dropping from 4 Mpps to 2 Mpps when increasing the number of flows > to 10. There are some patches that (I hope) should improve the throughput in these scenarios. You might give them a try or wait until they get merged (the series is at http://openvswitch.org/pipermail/dev/2015-April/054553.html) > *2. Set Queue -> severe performance degradation* > > After setting a queue, irrespectively of the bandwidth limit set the > performance drops to ~1.5 Mpps on a Xeon machine (from ~10 Mpps - we use only > 1 core for the given port) > QoS is not supported (yet) in the userspace datapath (used with DPDK devices). Can you share the commands that you're using? Daniele _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
