[SPARK-2367] update io.netty from 4.0.17 to 4.0.21

• Type: Improvement
• Status: Closed
• Priority: Trivial
• Resolution: Implemented
• Affects Version/s: 1.0.0
• Fix Version/s: 1.0.1
• Component/s: Build, Shuffle, Spark Core
• Target Version/s: 1.0.0
• Assignee: Unassigned
• Reporter: Binh Nguyen
• Created: 04/Jul/14 10:49
• Updated: 17/May/20 18:30
• Resolved: 15/Aug/14 05:38

Description

update io.netty from 4.0.17 to 4.0.21. There are multiple performance and bug fixes in the new release.

For more information: http://netty.io/news/2014/07/01/4.html

Issue Links

• links to: [Github] Pull Request #1302 (ngbinh)