"Jun Wang" <junwan...@cestc.cn> writes: >> Hello Jun, >> >> Are the 20G, 17G, and 11G figures a speed? Or the volume of data sent? >> How are you measuring this? >> >> DPDK can be very sensitive to which numa node, or even core a PMD is >> running on. But I don't know what is causing this issue specifically. >> >> Cheers, >> M > > Hi Mike, > > I did a detailed comparison and found that the issue is actually with the > performance > > of mirror-to itself, not with virtio-user. Even when using mirror-to > directly, > > there is still a significant performance degradation.
You mean there is some issue with the mirror-to option? Or do you mean that you are not expecting a slowdown when using port mirroring at all? > ovs-tcpdump -i vh-userclient-08a1f95c-3b --mirror-to tap1 -w a.pcap > ovs-tcpdump -i vh-userclient-08a1f95c-3b -w b.pcap > > ------------------------------------------------------------------------------------------------------------------------- > Jun Wang _______________________________________________ discuss mailing list disc...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
