That benchmark reports seems to indicate that there is serious performance
degradation running 90+ images under z/VM.
Has anyone here actually run that many or more and had decent throughput?
There is no dispute that you can bringing up hundreds and thousands of
images. But can they do some useful work, serious work.
I am not a M$oft bigot. Far from it. All I run except MQ is opensource and
Linux. But I would like to know what we get into before buying into z/VM
and IFL.
Chris Cox <[EMAIL PROTECTED]>
Sent by: Linux on 390 Port <[EMAIL PROTECTED]>
05/12/2004 08:44 AM
Please respond to Linux on 390 Port
To: [EMAIL PROTECTED]
cc:
Subject: Re: Answers to Microsoft's Mainframe Benchmark
Project
Matt Lashley/SCO wrote:
> I haven't followed the list as much as I'd like lately, can someone
> direct
> me to a rebuttal of this:
>
> http://download.microsoft.com/download/7/3/e/73e77129-db34-4c95-b182-ab0
> b9bd50081/MainframeBenchmarkProj.pdf
>
> I only just discovered the link above after seeing a full page ad
> extolling Windows 2003 in CIO insight that directed reader to a URL
> ending
> in "getthefacts". (The ad was quite near the front - someone spent some
> bucks.)
>
> If there is a response to this, formal or otherwise, I'd enjoy giving it
> a
> read.
My two cents.
1. A dual Xeon (or whatever) != mainframe. One is a PC, the other
is an entire platform.
2. Simple print and file services IMHO, is not the goal of Linux on z/VM.
I'd like to see >1000 virtual hosted machines running on that dual
Xeon.
3. I'm not sure if SLES8 31-bit is what everyone is really running.
Granted, s390 users will run 31-bit, but probably not zSeries users.
Now, as a workstation, the mainframe will not keep up, this is a fact.
However, under load, performance does not drop off in the same way
as it does for Intel servers.
I'd treat this like anything else that comes out of Redmond... rubbish.
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