Josh,

What I want to do is that make the workloads on each blade are equal. For instance, there are 6 virtual machines running in the system which has 6 blades, I hope VCL can select a computer which belong to a host that has the lowest current workload. So in the end, each virtual machine can be running on different blades.


Thanks,

Xianqing

--------------------------------------------------
From: "Josh Thompson" <josh_thomp...@ncsu.edu>
Sent: Wednesday, January 27, 2010 06:46 AM
To: <vcl-dev@incubator.apache.org>
Subject: Re: How to balance the workload on different blades

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Xianqing,

The scheduling algorithm is in isAvailable in utils.php.  It would be
difficult to describe the whole thing.  Have a look at the code first.  If
you have specific questions about it, ask here.

Before you make changes to the code, it would be useful if you would describe what you are planning on doing. You may be doing something useful to other
parts of the community or even the whole community.  If so, we can provide
feedback on what may be the best way to implement the changes you are making
so that they can be most easily incorporated into the official codebase.

Thanks,
Josh

On Tue January 26 2010 3:38:37 pm yu267155...@hotmail.com wrote:
Hi,

Do you know where is the code VCL decides which computer will be used for
reservation, and how this decision is being made? I am still trying to
optimize the workload for now.

Xianqing

--------------------------------------------------
From: "Josh Thompson" <josh_thomp...@ncsu.edu>
Sent: Monday, January 25, 2010 09:07 AM
To: <vcl-dev@incubator.apache.org>
Subject: Re: How to balance the workload on different blades

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>
> Xianqing,
>
> The scheduler doesn't provide a way to do this right now.  We will be
> doing a
> major overhaul to VM management in the 2.4 release which should provide
> what
> you are asking.
>
> Josh
>
> On Thu January 21 2010 10:04:16 pm yu267155...@hotmail.com wrote:
>> To whom it may concern:
>>
>> Currently I am running ESX 3i servers on 7 blades. My VCL has 50 >> virtual
>> machines can be allocated. My question is that how to balance the
>> workload
>> on different blades? For instance, 7 virtual machines have been
>> reserved, in order to get best performance, how to allocate each >> virtual
>> machine to different blades?
>>
>> Thanks,
>>
>> Xianqing
>
> - --
> - -------------------------------
> Josh Thompson
> Systems Programmer
> Virtual Computing Lab (VCL)
> North Carolina State University
>
> josh_thomp...@ncsu.edu
> 919-515-5323
>
> my GPG/PGP key can be found at www.keyserver.net
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> =LrV7
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- -- - -------------------------------
Josh Thompson
Systems Programmer
Virtual Computing Lab (VCL)
North Carolina State University

josh_thomp...@ncsu.edu
919-515-5323

my GPG/PGP key can be found at www.keyserver.net
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