[FLINK-7752] RedirectHandler should execute on the IO thread

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.4.0
• Component/s: Deployment / Mesos, Runtime / Coordination
• Assignee: Eron Wright
• Reporter: Eron Wright
• Created: 02/Oct/17 18:05
• Updated: 28/Feb/19 14:12
• Resolved: 04/Oct/17 15:53

Description

The redirect handler executes much of its logic (including 'respondAsLeader') on an arbitrary thread, but it would be cleaner to execute on the I/O thread by using `channelHandlerContext.executor()`. Note that Netty allows writes on any thread but reads on the I/O thread.

Issue Links

• links to: GitHub Pull Request #4766