I don't think this is an example of Java 8 javadoc being more strict; it is
not finding classes, not complaining about syntax.
(Hyukjin cleaned up all of the javadoc 8 errors in master, and they're
different and much more extensive!)
It wouldn't necessarily break anything to build with Java 8 beca
After using Spark for many years, including SystemML's Spark backend, I'd
like to give some feedback on potential PairRDD API extensions that I would
find very useful:
1) MapToPair with preservesPartitioning flag: For many binary operations
with broadcasts, we always need to use mapPartitionsToPai
