Re: [Xen-users] GPLPV network performance

[Steve Thompson <smt@xxxxxxxxxxxx>]

On Sun, 18 Jan 2009, Grant McWilliams wrote:

> I'd be curious about DomU to DomU performance. Nobody seems to test this
> very often but if you have a database server or file server in a DomU that's
> serving out to another then DomU to DomU performance would be critical.
Previously I had obtained these numbers for a Dom0 of Intel Core2 2.33 
GHz, CentOS 5.2, xen 3.0.3:
        Windows XP SP3, GPLPV 0.9.12-pre13, file based. 725 Mbits/sec
        Windows 2003 SP2, GPLPV 0.9.12-pre13, file based. 1.03 Gbits/sec

For DomU(XP) to Domu(2003), I get 462 Mbits/sec, about in line with what I 
would have expected. The Dom0 was the same machine for both DomU's; I 
assume that the throughput would be higher if they were different.
I didn't note at the time, but the xen version of 3.0.3 applies only to
the xen utilities package itself; from "xm dmesg", it shows a version
of 3.1.2-92.1.22.el5.

Steve

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