Try increasing the number of partitions while doing a reduceByKey()
<http://spark.apache.org/docs/latest/api/scala/index.html#org.apache.spark.api.java.JavaPairRDD>
Thanks
Best Regards
On Sun, Sep 14, 2014 at 5:11 PM, richiesgr wrote:
> Hi
>
> I've written a job (I think not very complicated only 1 reduceByKey) the
> driver JVM always hang with OOM killing the worker of course. How can I
> know
> what is running on the driver and what is running on the worker how to
> debug
> the memory problem.
> I've already used --driver-memory 4g params to give more memory ut nothing
> help it always fail
>
> Thanks
>
>
>
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