[SPARK-21343] Refine the document for spark.reducer.maxReqSizeShuffleToMem

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.1
• Fix Version/s: 2.2.1, 2.3.0
• Component/s: Spark Core
• Assignee: Jin Xing
• Reporter: Jin Xing
• Created: 07/Jul/17 15:55
• Updated: 08/Jul/17 16:28
• Resolved: 08/Jul/17 16:28

Description

In current code, reducer can break the old shuffle service when spark.reducer.maxReqSizeShuffleToMem is enabled. Let's refine document.

Issue Links

• links to: [Github] Pull Request #18566 (jinxing64)