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Hadoop, mail # user - pojo writables

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Re: pojo writables
Dave Beech 2012-10-08, 15:45
Hi Jay

Hadoop supports this already using the JavaSerialization class. I'm
not sure it is very performant though, when compared to usual Writable

Alternatively you could use Avro (SpecificRecord objects
auto-generated from a schema file).


On 8 October 2012 15:13, Jay Vyas <[EMAIL PROTECTED]> wrote:
> One of the benefits of using autogenerated objects for serialization, we
> are finding, is just the fact that there is a strong, semantically
> meaningful API.  This could seemingly be done by using a custom writable
> class though, as well.  So... Does anyone know if there is a POJO writable
> framework for Hadoop?  I think it would be relatively easy to implement one
> by just extending, for example, MapWritable.
> --
> Jay Vyas