[SPARK-8357] Memory leakage on unsafe aggregation path with empty input

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 1.5.0
• Component/s: SQL
• Target Version/s: 1.4.2, 1.5.0
• Assignee: Navis Ryu
• Reporter: Navis Ryu
• Shepherd: Josh Rosen
• Created: 14/Jun/15 03:09
• Updated: 21/Jul/15 18:53
• Resolved: 21/Jul/15 18:53

Description

Currently, unsafe-based hash is released on 'next' call but if input is empty, it would not be called ever.

Issue Links

• blocks: SPARK-8850 Turn unsafe mode on by default
• links to: [Github] Pull Request #6810 (navis)
• links to: [Github] Pull Request #7560 (JoshRosen)