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From Francesco De Luca <f.deluc...@gmail.com>
Subject Re: Observation of MapReduce Task execution
Date Sun, 17 Apr 2011 13:50:39 GMT
Thank you Harsh.
And there is a way to know on which node a task is submitted?

2011/4/17 Harsh J <harsh@cloudera.com>

> Hello,
>
> On Sun, Apr 17, 2011 at 3:48 PM, Francesco De Luca <f.deluca86@gmail.com>
> wrote:
> >
> > Exists any notification mechanism to be notified of all task state
> changes
> > (task failure,task completion ecc)?
> >
> > In particular i need to follow all the map and reduce task execution.
>
> You can loop over and request the TaskCompletionEvents from your
> RunningJob instance:
>
> http://hadoop.apache.org/common/docs/r0.20.2/api/org/apache/hadoop/mapred/RunningJob.html#getTaskCompletionEvents(int)
>
> --
> Harsh J
>

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