I am using Mapreduce v2.

On Aug 25, 2016 8:18 PM, "xeon Mailinglist" <xeonmailingl...@gmail.com>
wrote:

> I am trying to implement a mechanism in MapReduce v2 that allows to
> suspend and resume a job. I must suspend a job when all the mappers finish,
> and resume the job from that point after some time. I do this, because I
> want to verify the integrity of the map output before executing the
> reducers.
>
> I am looking for the class that tells when the Reduce tasks should start.
> Does anyone know where is this?
>

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