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Hadoop, mail # user - Class hook for Tasktracker JVM start/stop


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Re: Class hook for Tasktracker JVM start/stop
Saptarshi Guha 2010-03-14, 08:02
please forget i asked this question ...

On Sun, Mar 14, 2010 at 2:50 AM, Saptarshi Guha
<[EMAIL PROTECTED]> wrote:
> Hello,
> The value mapred.job.reuse.jvm.num.tasks is the number of tasks a Tasktracker
> will process before it shuts down and another Tasktracker starts, correct?
>
> If so, is there a hook/class that can be called when the jvm(corresponding to
> the TaskTracker) starts and one when it shuts down? Can this class be provided
> with the Cofiguration/context object?
>
> Much thanks
> Saptarshi
>