[FLINK-10790] Refactor all the StreamPartitioner implementations into runtime module

• Type: Sub-task
• Status: Closed
• Priority: Minor
• Resolution: Won't Fix
• Affects Version/s: 1.8.0
• Component/s: Runtime / Network
• Labels: pull-request-available
• Assignee: Zhijiang
• Reporter: Zhijiang
• Created: 05/Nov/18 09:36
• Updated: 23/Aug/19 22:41
• Resolved: 23/Aug/19 22:41

Description

The motivation is for refactoring ChannelSelector interface mentioned in FLINK-10662.

The ChannelSelector implementations are separate for stream and batch currently, resulting in many duplicated logics for selecting channels. The root cause is that they are locating in different modules to not reuse the existing ones.

In general, the core runtime codes should be unified for both stream and batch jobs as much as possible, then we can reduce the work overhead to maintain the duplicated codes.

This jira would migrate the existing partitioner package from flink-streaming-jave to flink-runtime. Next we want to de-duplicate implementations for RoundRobinChannelSelector and OutputEmitter.

Issue Links

• links to: GitHub Pull Request #7037