[SPARK-25166] Reduce the number of write operations for shuffle write.

• Type: Improvement
• Status: In Progress
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 3.1.0
• Component/s: Shuffle, Spark Core
• Assignee: Unassigned
• Reporter: liuxian
• Created: 21/Aug/18 02:45
• Updated: 17/May/20 18:30

Description

Currently, only one record is written to a buffer each time, which increases the number of copies.

Issue Links

• links to: [Github] Pull Request #22163 (10110346)
• links to: GitHub Pull Request #22163