[FLINK-20063] File Source requests an additional split on every restore.

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 1.12.0, 1.11.3
• Component/s: Connectors / FileSystem
• Labels: pull-request-available
• Assignee: Stephan Ewen
• Reporter: Stephan Ewen
• Created: 09/Nov/20 19:42
• Updated: 12/Dec/20 11:54
• Resolved: 10/Nov/20 14:06

Description

Currently, the FileSourceReader requests a new split when started. That includes cases when it was restored from a checkpoint.

So with every restore, the reader increases its split backlog size by one, causing problems for balanced split assignments.

Issue Links

• links to: GitHub Pull Request #14004