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2006 Nov 21
0
Network performance problem with Xen 3.0.3 HVM/VT
...using qemu and then boot it into Xen HVM.
The performance problem seems to be coming from network latency :
depending on the host OS, we have measured ping times ranging from 4ms
(Windows 2000, Linux) to 10ms (Windows 2003). Of course, the network
performance is suffering, with throughputs aroud 600kbytes/s for Windows
2003, and 3Mbytes for Windows 2000 and Linux.
The CPUs are idle during our benchmarks.
We suspected the network driver was using some kind of polling, because there
is no load, and the latency is that big. We tried to compare with latest
qemu, and qemu hasn''t displayed t...