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From Dhruv <dhru...@gmail.com>
Subject Re: Use of JSON for Serialization in Mahout
Date Mon, 09 May 2011 23:04:45 GMT
OK, going by the (in)efficiency arguments of JSON, I'll stick with my
original plan of writing a custom serializable class during the initial
phase of the project, which as Sean mentioned shouldn't be too much work
either.


On Mon, May 9, 2011 at 3:47 PM, Jake Mannix <jake.mannix@gmail.com> wrote:

> On Mon, May 9, 2011 at 12:03 PM, Dhruv <dhruv21@gmail.com> wrote:
>
> > Cloud 9 is an easy to use Hadoop MapReduce library by Jimmy Lin from the
> > University of Maryland using the Apache 2.0 license (
> > http://www.umiacs.umd.edu/~jimmylin/cloud9/docs/). The library contains
> a
> > very convenient, lightweight JSON serializable class. One can use this
> > class
> > instead of rolling your own custom serializable objects and it could help
> > me
> > for the GSOC .
> >
>
> Jimmy's cloud9 library is primarily for educational use - it's free to
> include
> (license-wise), but not all of the classes in there are performance
> optimized,
> including this one.  I don't think he's even benchmarked this against gson
> or jackson, but I can ask him (he is on leave from UMD and working at
> Twitter
> this year).
>
> Regardless, I agree with Sean - we pulled json *out* of mahout for a
> reason,
> let's not bring it back in.
>
>  -jake
>

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