[FLINK-5246] Don't discard unknown checkpoint messages in the CheckpointCoordinator

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.1.4
• Fix Version/s: 1.1.4
• Component/s: Runtime / State Backends
• Assignee: Till Rohrmann
• Reporter: Till Rohrmann
• Created: 03/Dec/16 19:20
• Updated: 05/Dec/16 10:57
• Resolved: 05/Dec/16 10:56

Description

The delicate interplay of the CheckpointCoordinator and the SavepointCoordinator requires that unknown checkpoint messages are not discarded but given to the other coordinator. If both coordinator don't accept the checkpoint message, then the associated state will be discarded by the JobManager.

Issue Links

• links to: GitHub Pull Request #2930