Re: [Xen-devel] network bug in xen 4.5?

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 10.04.14 at 04:26, <jaceksburghardt@xxxxxxxxx> wrote:
> I believe there is a bug in networking under xen 4.5. When I copy files
> between pv and hvm on same bridge I get 80 mb/s download speed. When I copy
> same file from pv to hvm on another server running same xen version I only
> get 1 to 3 mb/s speed. I have 6tb of data that I had copied to server with
> dual quad xeon cpus and trying to copy the files back to my server and wit
> that slow speed it will take days to do it

And this is only on Xen 4.5, i.e. only dependent on hypervisor/tools
version? I ask because networking performance is usually much more
affected by elements not under direct Xen control (Dom0 kernel,
guest kernel, other infrastructure).

Jan



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