PIG-4314: BigData_5 hang on some machine

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1637603 13f79535-47bb-0310-9956-ffa450edef68
PIG-4314: BigData_5 hang on some machine

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1637604 13f79535-47bb-0310-9956-ffa450edef68
PIG-4312: TestStreamingUDF tez mode leave orphan process on Windows

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1637606 13f79535-47bb-0310-9956-ffa450edef68
PIG-4224: Upload Tez payload history string to timeline server

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1637608 13f79535-47bb-0310-9956-ffa450edef68