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Posted to dev@flink.apache.org by "Fabian Paul (Jira)" <ji...@apache.org> on 2022/02/24 16:01:00 UTC

[jira] [Created] (FLINK-26358) Operator maxParallelism is lost during chaining

Fabian Paul created FLINK-26358:
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             Summary: Operator maxParallelism is lost during chaining
                 Key: FLINK-26358
                 URL: https://issues.apache.org/jira/browse/FLINK-26358
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Coordination
    Affects Versions: 1.14.3, 1.15.0
            Reporter: Fabian Paul


During the generation of the JobGraph from the StreamGraph the maxParallelism of the chained operators is lost so the maxParallelism written to a snapshot might not reflect the real maxParallelism of the operator.

If a user now unchains the operator it is not possible to restore a snapshot anymore because the maxParallelism of the operator and the snapshot do not match anymore.



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