HIVE-7859: Tune zlib compression in ORC to account for the encoding strategy (Gopal V reviewed by Prasanth J)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1624354 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8042: Optionally allow move tasks to run in parallel (Gunther Hagleitner, reviewed by Ashutosh Chauhan)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1624361 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8051: Some union queries fail with dynamic partition pruning on tez (Gunther Hagleitner, reviewed by Vikram Dixit K)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1624364 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8018: Fix typo in config var name for dynamic partition pruning (Gunther Hagleitner, reviewed by Lefty Leverenz and Lars Francke)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1624365 13f79535-47bb-0310-9956-ffa450edef68