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From Francesco De Luca <f.deluc...@gmail.com>
Subject Re: Observation of MapReduce Task execution
Date Sun, 17 Apr 2011 15:54:40 GMT
Apologize... i should use TaskTracker ??

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

> Its available in the API as well:
>
> http://hadoop.apache.org/common/docs/r0.20.2/api/org/apache/hadoop/mapred/TaskCompletionEvent.html#getTaskTrackerHttp()
>
> On Sun, Apr 17, 2011 at 7:20 PM, Francesco De Luca <f.deluca86@gmail.com>
> wrote:
> > 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
> >
> >
>
>
>
> --
> Harsh J
>

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