TIL about Jepp:
Jepp embeds CPython in Java. It is safe to use in a heavily threaded environment, it is quite fast and its stability is a main feature and goal.
Could be handy for cutting down performance overhead at some points in the Hadoop stack where Python and Java come together. I’m looking at you Hadoop Streaming. Also for helping Python out with the myriad of serialization formats that Java does oh so well.