This shows how to serialize user classes. I wanted Spark to serialize all
shuffle files and object files using Kryo. How can I specify that? Or would
that be done by default if I just set spark.serializer to kryo?




On Mon, Nov 25, 2013 at 7:42 PM, Matei Zaharia <[email protected]>wrote:

> Did you look through
> http://spark.incubator.apache.org/docs/latest/tuning.html#data-serialization?It
>  shows an example of how to register classes with Kryo. In particular, in
> your Registrator, you can use kryo.register(yourClass, new YourSerializer)
> to pass a custom serializer too.
>
> Matei
>
> On Nov 25, 2013, at 4:25 PM, Mayuresh Kunjir <[email protected]>
> wrote:
>
> Hi Spark users,
>
> This has probably been answered before, but I could not locate it. I
> understand from the tuning guide that using Kryo serialization for shuffles
> improves the performance. I would like to know how to register the Kryo
> serializer. Apart from the shuffles, my standalone application needs to
> store and retrieve a few object files as well. I would really appreciate
> any pointers on registering Kryo serializer for both these serialization
> tasks.
>
> Thanks and regards,
> ~Mayuresh
>
>
>
>

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