Fabian Paul created FLINK-29509:
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Summary: Set correct subtaskId during recovery of committables
Key: FLINK-29509
URL: https://issues.apache.org/jira/browse/FLINK-29509
Project: Flink
Issue Type: Bug
Components: Connectors / Common
Affects Versions: 1.15.2, 1.17.0, 1.16.1
Reporter: Fabian Paul
When we recover the `CheckpointCommittableManager` we ignore the subtaskId it
is recovered on.
[https://github.com/apache/flink/blob/d191bda7e63a2c12416cba56090e5cd75426079b/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/operators/sink/committables/CheckpointCommittableManagerImpl.java#L58]
This becomes a problem when a sink uses a post-commit topology because multiple
committer operators might forward committable summaries coming from the same
subtaskId.
It should be possible to use the subtaskId already present in the
`CommittableCollector` when creating the `CheckpointCommittableManager`s.
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