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MapReduce, mail # user - Reduce tasks timeouts


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Re: Reduce tasks timeouts
Marcos Luis Ortiz Valmase... 2011-11-28, 20:34
Can you put here the output logs of your NN and DN servers?
Regards

2011/11/28 Radim Kolar <[EMAIL PROTECTED]>:
> I have problem with reduce tasks ending like this:
> Task attempt_201111250441_0009_r_000001_1 failed to report status for 602
> seconds. Killing!
>
> Every reduce tasks running on particular block ends like this.
>
> can it be caused that list for one key is too long or because processing of
> one list item takes too long?
>
>

--
Marcos Luis Ortíz Valmaseda
 Linux Infrastructure Engineer
 Linux User # 418229
 http://marcosluis2186.posterous.com
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