hi,
when I use scp command,cp a large file from outer server to a vm on another 
server.
the vm is connect to a dpdk-ovs with a dpdkvhostuser port.
and the dpdk-ovs has a dpdk type port dpdk0 to connect to outer.

when scp works ,the speed of data transfer becomes slower and slower.
in the server that the vm inside, the ovs-vswitchd thread of ovs-vswitchd 
process has a 100% cpu usage.

when scp end,the cpu usage of ovs-vswitchd thread become normal (5%).

question is why cpu usage of ovs-vswitchd thread to 100% and why the speed of 
data transfer become slower and slower.

any help is appreciate!

best regards.




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