[SPARK-3269] SparkSQLOperationManager.getNextRowSet OOMs when a large maxRows is set

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0.2
• Fix Version/s: 1.1.0
• Component/s: SQL
• Target Version/s: 1.1.0
• Assignee: Cheng Lian
• Reporter: Cheng Lian
• Created: 28/Aug/14 00:26
• Updated: 29/Aug/14 22:36
• Resolved: 29/Aug/14 22:36

Description

SparkSQLOperationManager.getNextRowSet allocates an ArrayBuffer[Row] as large as maxRows, which can lead to OOM if maxRows is large, even if the actual size of the row set is much smaller.

Issue Links

• links to: [Github] Pull Request #2171 (liancheng)