[HBASE-21833] Use NettyAsyncFSWALConfigHelper.setEventLoopConfig to prevent creating too many netty event loop when executing TestHRegion

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.0.0-alpha-1, 2.2.0, 2.1.3, 2.0.5, 2.3.0
• Component/s: test
• Assignee: Duo Zhang
• Reporter: Duo Zhang
• Created: 03/Feb/19 01:06
• Updated: 03/Feb/19 16:10
• Resolved: 03/Feb/19 07:09

Description

Keeps hitting too many open files error when executing TestHRegion and its sub classes. Maybe not a big deal when executing on jenkins build machine but anyway let's fix it.