I'm want to fold an RDD into a smaller RDD with max elements. I have simple
bean objects with 4 properties. I want to group by 3 of the properties and then
select the max of the 4th. So I believe fold is the appropriate method for
this. My question is, is there a good fold example out
. I have
simple bean objects with 4 properties. I want to group by 3 of the
properties and then select the max of the 4th. So I believe fold is the
appropriate method for this. My question is, is there a good fold example
out there. Additionally, what it the zero value used for as the first
