[SPARK-37071] OpenHashMap should be serializable without reference tracking

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.2.0
• Fix Version/s: 3.3.0
• Component/s: Spark Core
• Assignee: Emil Ejbyfeldt
• Reporter: Emil Ejbyfeldt
• Created: 20/Oct/21 10:12
• Updated: 27/Oct/21 13:59
• Resolved: 27/Oct/21 13:59

Description

The current implementation of OpenHashMap does not serialize without kryo reference tracking turned on. This is unexpected from a simple type like OpenHashMap, and forces the users to turn of reference tracking to use code where OpenHashMap is used.

Issue Links

• links to: [Github] Pull Request #34351 (eejbyfeldt)