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From Joey Echeverria <j...@cloudera.com>
Subject Re: System.out.println in Map / Reduce
Date Tue, 27 Sep 2011 00:49:53 GMT
Print out go to the task logs. You can see those in the log directory on the tasktracker nodes
or through the jobtracker web GUI. 

-Joey



On Sep 26, 2011, at 19:47, Arko Provo Mukherjee <arkoprovomukherjee@gmail.com> wrote:

> Hi,
> 
> I am writing some Map Reduce programs in pseudo-distributed mode.
> 
> I am getting some error in my program and would like to debug it.
> 
> For that I want to embed some print statements in my Map / Reduce.
> 
> But when I am running the mappers, the prints doesn't seem to show up in the terminal.
> 
> Does the mappers / reducers redirect the prints to some files or are they suppressed
or it is a problem with my program?
> 
> Many thanks in advance!
> 
> Thanks & regards
> Arko

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