Re: [Xen-users] redhat native vs. redhat on XCP

To:	Boris Quiroz <bquiroz.work@xxxxxxxxx>, xenList <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject:	Re: [Xen-users] redhat native vs. redhat on XCP
From:	Henrik Andersson <henrik.j.andersson@xxxxxxxxx>
Date:	Wed, 12 Jan 2011 22:17:37 +0200
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What makes you think that adding a virtualization layer to the picture would increase the performance? Would be bit odd to have same operating system perform better when it is run on a virtual machine.

-Henrik Andersson

On 12 January 2011 22:13, Boris Quiroz <bquiroz.work@xxxxxxxxx> wrote:

Hi list,

Next week I'll receive a couple of IBM M2 servers. The team wanted to
test a DomU with RHEL 5 virtualized on XCP vs a RHEL 5 native,
installed directly to the servers. Does anybody has done this test
before?

We'll test a java web application (online banking), and we basically
want to see which environment will process more TPS (transactions per
second), which is directly related to disk I/O. Both servers has
identical hardware, with 15k rpm disks.

Do I have to modify something in the XCP config? I think (and want)
XCP will win.. What should I expect? Will the difference in TPS be
notorious?

Thanks.

--
@cereal_bars

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Re: [Xen-users] redhat native vs. redhat on XCP