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

To: Henrik Andersson <henrik.j.andersson@xxxxxxxxx>
Subject: Re: [Xen-users] redhat native vs. redhat on XCP
From: Boris Quiroz <bquiroz.work@xxxxxxxxx>
Date: Wed, 12 Jan 2011 18:09:20 -0300
Cc: xenList <xen-users@xxxxxxxxxxxxxxxxxxx>
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2011/1/12 Henrik Andersson <henrik.j.andersson@xxxxxxxxx>:
> I think that is valid thing to figure out and I'm also interested in the
> results, it happens to be something I have been thinking also. Just didn't
> get to testing part for some reason.
> By the way, what version of XCP are you planning to use? XCP 0.5 or 1.0
> Beta?

I'll use XCP 0.5 and RHEL 5

The app is written in java, so the memory is limited by JVM. Both
systems will use the same heap size.

Thank you all for the answers and if you have any other idea please
let me know (on this thread :P). I'll let you know about the results.

> Benchmark's made using xenServer should give you atleast some idea of what
> to expect. I'm thinking some one has made similar test's, would be odd if
> not.
> -Henrik Andersson
> On 12 January 2011 22:39, Boris Quiroz <bquiroz.work@xxxxxxxxx> wrote:
>> 2011/1/12 Digimer <linux@xxxxxxxxxxx>:
>> > On 01/12/2011 03:17 PM, Henrik Andersson wrote:
>> >> 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
>> >
>> > I would suspect that OP is trying to asses whether the performance hit
>> > would be significant enough to outweigh the benefits of virtualization.
>> >
>> > --
>> > Digimer
>> > E-Mail: digimer@xxxxxxxxxxx
>> > AN!Whitepapers: http://alteeve.com
>> > Node Assassin:  http://nodeassassin.org
>> >
>> Answering Henrik's question: We just want to see the results. If RHEL
>> native process, for example, 5000 TPS and RHEL+XCP process 4900, we
>> obviously will continue with a virtualized environment because the
>> difference is not significant to us.
>> Literature says that performance for guest is near-native, and that's
>> what I wanna test. And if somebody has already done this kind of test,
>> I could know what to expect.
>> Thanks.
>> --
>> @cereal_bars
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