[FLINK-16139] Co-location constraints are not reset on task recovery in DefaultScheduler

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.10.0
• Fix Version/s: 1.10.1, 1.11.0
• Component/s: Runtime / Coordination
• Labels: pull-request-available
• Assignee: Zhu Zhu
• Reporter: Zhu Zhu
• Created: 18/Feb/20 10:04
• Updated: 21/Feb/20 03:58
• Resolved: 21/Feb/20 03:58

Description

The colocation constraints are not reset on task recovery, which may lead to task recovery failures when allocating slots.
We should reset the colocation constraints before resetting vertices, just like what we do in the legacy scheduler.

Issue Links

• links to: GitHub Pull Request #11121