[FLINK-13165] Complete requested slots in request order

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Done
• Affects Version/s: 1.9.0
• Fix Version/s: 1.9.0
• Component/s: Runtime / Coordination
• Labels: pull-request-available
• Assignee: Till Rohrmann
• Reporter: Till Rohrmann
• Created: 09/Jul/19 08:42
• Updated: 12/Jul/19 06:08
• Resolved: 12/Jul/19 06:08

Description

When executing batch jobs with fewer slots than requested we should make sure that the slot requests are being completed in the order in which they were enqueued into the SlotPool. Otherwise we might risk that a consumer task gets deployed before a producer causing a resource deadlock situation.

Issue Links

• links to: GitHub Pull Request #9043