[FLINK-10712] RestartPipelinedRegionStrategy does not restore state

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.3.3, 1.4.2, 1.5.5, 1.6.2, 1.7.0
• Fix Version/s: 1.9.0
• Component/s: Runtime / Coordination
• Labels: pull-request-available
• Assignee: Yun Tang
• Reporter: Stefan Richter
• Created: 29/Oct/18 11:51
• Updated: 06/Aug/19 13:24
• Resolved: 17/Apr/19 11:49

Description

RestartPipelinedRegionStrategy does not perform any state restore. This is big problem because all restored regions will be restarted with empty state. We need to take checkpoints into account when restoring.

Issue Links

• is blocked by: FLINK-11618 Refactor operator state repartition mechanism
• is related to: FLINK-6984 Do not recover CompletedCheckpointStore on every restore
• relates to: FLINK-10880 Failover strategies should not be applied to Batch Execution
• relates to: FLINK-13601 RegionFailoverITCase is unstable
• links to: GitHub Pull Request #7009
• links to: GitHub Pull Request #7813