[TEZ-2949] Allow duplicate dag names within session for Tez

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.7.1, 0.8.2
• Hadoop Flags: Incompatible change
• Release Note: In earlier versions of Tez, DAG submissions to a Tez AM were rejected if the dagName was not unique for that Tez session/application. After this change, the uniqueness constraint for the dagName is no longer enforced.
• Assignee: Hitesh Shah
• Reporter: Hitesh Shah
• Created: 18/Nov/15 20:02
• Updated: 18/May/16 04:55
• Resolved: 20/Nov/15 21:45

Description

Hive would like to support setting hive.query.name ( HIVE-12357 ) by users. Hence this will create dag name clashes. This jira is to relax the dag name uniqueness requirement.