[HIVE-12445] Tracking of completed dags is a slow memory leak

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0
• Fix Version/s: 2.0.0
• Component/s: llap
• Target Version/s: 2.1.0
• Assignee: Sergey Shelukhin
• Reporter: Siddharth Seth
• Created: 17/Nov/15 23:50
• Updated: 02/Jun/16 10:17
• Resolved: 12/Dec/15 00:07

Description

LLAP daemons track completed DAGs, but never clean up these structures. This is primarily to disallow out of order executions. Evaluate whether that can be avoided - otherwise this structure needs to be cleaned up with a delay.