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From Arun C Murthy <...@yahoo-inc.com>
Subject Re: Passing Constants from One Job to the Next
Date Wed, 22 Oct 2008 21:57:26 GMT

On Oct 22, 2008, at 2:52 PM, Yih Sun Khoo wrote:

> I like to hear some good ways of passing constants from one job to  
> the next.

Unless I'm missing something: JobConf? A HDFS file? DistributedCache?

Arun

>
> These are some ways that I can think of:
> 1)  The obvious solution is to carry the constant as part of your  
> value from
> one job to the next, but that would mean every value would hold that
> constant
> 2)  Use the reporter as a hack so that you can set the status  
> message and
> then get the status message back when u need the constant
>
> Any other ideas?  (Also please do not include code)


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