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xen-users
Re: [Xen-users] How to: Improve Network Throughput of a XEN kernel?
Would escalate to xen-devel. 2.6.31.8 (12) aka Suse xenified was Jan Beulich stuff.
He might have an answer.
Boris.
--- On Fri, 2/26/10, Mike Viau <viaum@xxxxxxxxxxxxxxx> wrote:
From: Mike Viau <viaum@xxxxxxxxxxxxxxx>
Subject: [Xen-users] How to: Improve Network Throughput of a XEN kernel?
To: xen-users@xxxxxxxxxxxxxxxxxxx
Cc: waldi@xxxxxxxxxx
Date: Friday, February 26, 2010, 12:09 PM
Hi there, I am starting a new thread to try and solve a problem I am having will slow network throughput to the XEN host (not to a domU). I have confirmed my problem occurs with PVOPS 'xen/master' kernel as well using http://pasik.reaktio.net/xen/pv_ops-dom0-debug/config-2.6.31.6-pvops-dom0-xen-master-x86_64 as the .config. It also occurs with a forward ported xenified kernel (2.6.31.12) using the attached config-11-xen (.config).
However when using the xen kernel found in debain lenny (2.6.26-2) for the amd64 architecture I get similiar transfer rates to my Xen host as I do on a baremetel kernel.
Bastian Blank perhaps you could point me in the right direction in regards to a debian specific customization or patch I should be aware of?
Maxium transfer rate (to/from
hard disk) using the PVOPS 'xen/master' kernel and forward ported xenified kernel (2.6.31.12) is bottlenecking at ~1MB/s. On the debain lenny xen kernel I am getting ~4.5MB/s.I was
hoping one could suggest options in the .config that might be modified
in order to improve network throughput of a XEN kernel and therefor increase the data transfer rates over the netowork to and from the Xen host. Thanks alot for any help! As always I will be willing to accept any suggestions :) -M
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