HIVE-8596: HiveServer2 dynamic service discovery: ZK throws too many connections error (Vaibhav Gumashta reviewed by Thejas Nair)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1634408 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8601: Fix auto_sortmerge_join_16 determinism (Szehon via Xuefu)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1634442 13f79535-47bb-0310-9956-ffa450edef68
HIVE-6758 - Beeline doesn't work with -e option when started in background

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1634447 13f79535-47bb-0310-9956-ffa450edef68