I suppose that here function(x) = function3(function2(function1(x)))
In that case, the difference will be modularity and readability of your
program.
If function{1,2,3} are logically different steps and potentially reusable
somewhere else, I'd keep them separate.
A sequence of map transformations will be pipelined by Spark with little
overhead.
-kr, Gerard.
On Fri, Nov 21, 2014 at 10:20 AM, Kevin Jung <itsjb.j...@samsung.com> wrote:
> Hi all.
> Here are two code snippets.
> And they will produce the same result.
>
> 1.
> rdd.map( function )
>
> 2.
> rdd.map( function1 ).map( function2 ).map( function3 )
>
> What are the pros and cons of these two methods?
>
> Regards
> Kevin
>
>
>
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