[Swift-devel] pilot job paper

[Ian Foster]

E.g., I used it here: http://ianfoster.typepad.com/blog/2009/08/whats-fastera-supercomputer-or-ec2.html


On Jul 21, 2011, at 9:18 AM, Ian Foster wrote:

> I think that you may find it useful to look at the queue time predictor that Rich Wolski developed. QBETS I think is the name?
> 
> Ian.
> 
> On Jul 20, 2011, at 4:41 PM, Ketan Maheshwari wrote:
> 
>> 
>> 
>> I need queuing time vs. advertised job walltime on various clusters
>> (with various/random degrees of utilization). That's to see whether it's
>> useful to have coasters at all.
>> 
>> The number of jobs is an orthogonal dimension (i.e. we may want to
>> measure the queuing time vs. #of jobs for various walltimes, but later).
>> The actual job duration is not relevant. The amount of data is not
>> relevant.
>> 
>> Clouds are an interesting environment, but not for this particular
>> problem. That's because we need to see how much it takes to acquire
>> resources, not how fast some job middleware is after we got hold of
>> those resources.
>> 
>> 
>> Do you have any specific environments in mind for these experiments? For the requirement of various/random degrees of utilization, we can use MCS local cluster (10 x 64bit + 3 x 32 bit machines), Beagle, and Ranger. 
>> 
>> Regards,
>> -- 
>> Ketan
>> 
>> 
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> 
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