The map and flatMap methods have a similar purpose, but map is 1 to 1,
while flatMap is 1 to 0-N (outputting 0 is similar to a filter, except of
course it could be outputting a different type).
On Thu, Jul 24, 2014 at 6:41 PM, abhiguruvayya
wrote:
> Can any one help me understand the key differ
The Pair ones return a JavaPairRDD, which has additional operations on
key-value pairs. Take a look at
http://spark.apache.org/docs/latest/programming-guide.html#working-with-key-value-pairs
for details.
Matei
On Jul 24, 2014, at 3:41 PM, abhiguruvayya wrote:
> Can any one help me understand
