[FLINK-27409] Cleanup stale slot allocation record when the resource requirement of a job is empty

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.14.4, 1.15.0
• Fix Version/s: 1.14.5, 1.15.1, 1.16.0
• Component/s: Runtime / Coordination
• Labels: pull-request-available
• Assignee: Yangze Guo
• Reporter: Yangze Guo
• Created: 26/Apr/22 06:15
• Updated: 27/Apr/22 03:45
• Resolved: 27/Apr/22 03:45

Description

We need to clean up the stale slot allocation record when the resource requirement of a job is empty, in case the pending slot of this job is incorrectly allocated when registered. This only affects the `FineGrainedSlotManager`.

Issue Links

• links to: GitHub Pull Request #19580