well the "hadoop" way is to save to a/b and a/c and read from a/* :)
On Tue, Feb 2, 2016 at 11:05 PM, Jerry Lam <chiling...@gmail.com> wrote: > Hi Spark users and developers, > > anyone knows how to union two RDDs without the overhead of it? > > say rdd1.union(rdd2).saveTextFile(..) > This requires a stage to union the 2 rdds before saveAsTextFile (2 > stages). Is there a way to skip the union step but have the contents of the > two rdds save to the same output text file? > > Thank you! > > Jerry >