apache/spark — pull request #2752 by pwendell (2014-10-10 06:36:49+00:00)
Title: [SPARK-2805] Upgrade Akka to 2.3.4

This is a second rev of the Akka upgrade (earlier merged, but reverted). I made a slight modification which is that I also upgrade Hive to deal with a compatibility issue related to the protocol buffers library.