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Rising Star

When hive.server2.enable.doAs=True , HiveServer2 performs the query processing as the user who submitted the query (usually the user you kinit with, it could be service account or an account assigned to a team ). But if the parameter is set to false, the query will run as the user that the hiveserver2 process runs as, mostly Hive

This will help to :

1-Better control the users via Hive Ranger policies

2-Better control the ACLs mappings for Yarn, so you can assign every user on a specific Queue.