[SPARK-17823] Make JVMObjectTracker.objMap thread-safe

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Component/s: SparkR
• Target Version/s: 2.0.3, 2.1.1, 2.2.0
• Assignee: Unassigned
• Reporter: Yin Huai
• Created: 07/Oct/16 03:59
• Updated: 08/Dec/16 21:40
• Resolved: 08/Dec/16 21:40

Description

Since JVMObjectTracker.objMap is a global map, it makes sense to make it thread safe.

Issue Links

• Is contained by: SPARK-17822 JVMObjectTracker.objMap may leak JVM objects
• relates to: SPARK-17822 JVMObjectTracker.objMap may leak JVM objects