[Swift-devel] Re: replication vs site score

[Ioan Raicu]

Mihael Hategan wrote:
>>  The place where the queue prediction doesn't help, is when there is a
>> bad node which causes an application to be slow or fail.
>>     
>
> No. The prediction doesn't help when it fails to predict accurately.
>
>   
The prediction that I was referring to was only for the queue time, not 
the execution time. A failed node, causing an application run time to be 
longer than expected, has no impact on the prediction of the wait queue 
time.

Ioan


-- 
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Ioan Raicu, Ph.D.
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Distributed Systems Laboratory
Computer Science Department
University of Chicago
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