[SPARK-27021] Leaking Netty event loop group for shuffle chunk fetch requests

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.4.0, 2.4.1, 3.0.0
• Fix Version/s: 3.0.0
• Component/s: Spark Core
• Assignee: Attila Zsolt Piros
• Reporter: Attila Zsolt Piros
• Created: 01/Mar/19 14:13
• Updated: 20/Dec/19 09:59
• Resolved: 05/Mar/19 20:31

Description

The extra event loop group created for handling shuffle chunk fetch requests are never closed.

Issue Links

• links to: GitHub Pull Request #23930