[FLINK-3244] Add log messages to savepoint coordinator restore

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.0.0
• Component/s: Runtime / Coordination
• Assignee: Ufuk Celebi
• Reporter: Ufuk Celebi
• Created: 15/Jan/16 16:11
• Updated: 18/Jan/16 16:50
• Resolved: 18/Jan/16 16:50

Description

When reporting a parallelism mismatch in the SavepointCoordinator's restoreSavepoint method, it is helpful to have a detailed list of tasks of the resuming job and tasks of the savepoint. Currently, you just get a generic parallelism mismatch exception.