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RE: [Xen-users] Problems with GPLPV network latency

To: "Nick Couchman" <Nick.Couchman@xxxxxxxxx>, "James Harper" <james.harper@xxxxxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] Problems with GPLPV network latency
From: "Ian Tobin" <itobin@xxxxxxxxxxxxx>
Date: Mon, 14 Jun 2010 21:37:30 +0100
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Thread-topic: [Xen-users] Problems with GPLPV network latency
Hi James,

Can you tell me what info you need from the capture?  i.e. any special
command line options etc.

FYI i have a windows 2003 DomU which is also seeing the same issue, its
that slow it took ages to download wireshark, i had to run the constant
ping so that it had connectivity, very odd.

Im running with a Single cpu on the DomU.

Thanks

Ian


-----Original Message-----
From: Nick Couchman [mailto:Nick.Couchman@xxxxxxxxx] 
Sent: 08 June 2010 16:22
To: James Harper; xen-users@xxxxxxxxxxxxxxxxxxx; Ian Tobin
Subject: RE: [Xen-users] Problems with GPLPV network latency

> 
> Are you really seeing high latency or just reported high latency? Eg
> when it says 1200ms, does it really take an extra second?

I'm seeing the high latency numbers reported in Windows, but not the
actual latency.  Must be the multi-CPU issue you mentioned, as I have 4
vCPUs assigned to my domU.

-Nick




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