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Chao Peng  
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 More options Sep 7 2012, 4:53 am
From: Chao Peng <pengchao.f...@gmail.com>
Date: Fri, 7 Sep 2012 01:53:33 -0700 (PDT)
Local: Fri, Sep 7 2012 4:53 am
Subject: re-run failed task
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Hi,

I'm new to dumbo.

I have 71 map tasks, all finished, and 80 reduce tasks, however, 74 reduce
tasks finished, but 6 failed due to timeout.

Can I redo these 6 failed reduce tasks?

Thanks,

Chao Peng


 
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Gilles Vandelle  
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 More options Sep 7 2012, 5:32 am
From: Gilles Vandelle <gillesvande...@gmail.com>
Date: Fri, 7 Sep 2012 11:32:26 +0200
Local: Fri, Sep 7 2012 5:32 am
Subject: Re: re-run failed task
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Hi Chao Peng,

Unfortunately not, hadoop cleans the mapper output so you need to rerun
your job. I recommend to test your job on a sub-set of your data before so
you'll loose less time at each retry.

-Gilles

--
Gilles Vandelle
gil...@vandelle.com

 
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