You can use CoGroupedRDD
(http://spark.apache.org/docs/latest/api/scala/index.html#org.apache.spark.rdd.CoGroupedRDD)
directly. -Xiangrui
On Thu, Sep 18, 2014 at 7:09 AM, Debasish Das wrote:
> Hi,
>
> I have some RowMatrices all with the same key (MatrixEntry.i, MatrixEntry.j)
> and I would like
Hi,
I have some RowMatrices all with the same key (MatrixEntry.i,
MatrixEntry.j) and I would like to join multiple matrices to come up with a
sqlTable for each key...
What's the best way to do it ?
Right now I am doing N joins if I want to combine data from N matrices
which does not look quite r