[SPARK-18775] Limit the max number of records written per file

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.2.0
• Component/s: SQL
• Target Version/s: 2.2.0
• Assignee: Reynold Xin
• Reporter: Reynold Xin
• Created: 08/Dec/16 00:44
• Updated: 21/Dec/16 22:50
• Resolved: 21/Dec/16 22:50

Description

Currently, Spark writes a single file out per task, sometimes leading to very large files. It would be great to have an option to limit the max number of records written per file in a task, to avoid humongous files.

This was initially suggested by simeons.

Issue Links

• links to: [Github] Pull Request #16204 (rxin)