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From Amar Kamat <ama...@yahoo-inc.com>
Subject Re: failed map tasks
Date Thu, 03 Jul 2008 08:36:13 GMT
jerrro wrote:
> Hello,
> I was wondering - could someone tell me what are the reasons that I could
> get failure with certain map tasks on a node? 
Well, that depends on the kind of errors you are seeing. Could you plz 
post the logs/error messages?
> Any idea that comes to mind
> would work (it does not happen because my program aborts).
> Also, what could cause with hadoop for a map task to take longer (although
> data is the same for all maps) to finish than the other tasks?
What Hadoop version are you using? What is the average runtime of the 
maps? How much difference are you seeing? Are all the nodes same in 
terms of config?
> Thanks
> Jerr

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