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 <mayuresh.kun...@gmail.com> 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 > >