[HIVE-12623] Add an option to force allocation of fragments on requested nodes

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Component/s: llap
• Labels: TODOC2.0
• Target Version/s: 2.0.0
• Assignee: Siddharth Seth
• Reporter: Siddharth Seth
• Created: 08/Dec/15 22:36
• Updated: 30/Apr/16 08:45
• Resolved: 21/Dec/15 23:26

Description

Currently, fragments are sent to random nodes if the requested node does not have capacity. In certain situations there's more to be gained by sending the fragments to the requested node only.

Issue Links

• is related to: HIVE-13469 LLAP: Support delayed scheduling for locality