[FLINK-9330] Improve logging of SlotPool for debugging purposes

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.5.0
• Fix Version/s: 1.5.0
• Component/s: Runtime / Coordination
• Labels: flip-6
• Assignee: Stephan Ewen
• Reporter: Till Rohrmann
• Created: 10/May/18 11:30
• Updated: 10/May/18 14:24
• Resolved: 10/May/18 14:24

Description

In order to better debug problems with the SlotPool we should add better debug messages to this component. That way future problems with the slot allocation protocol will be much easier to debug.