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Posted to dev@flink.apache.org by "Yufan Sheng (Jira)" <ji...@apache.org> on 2022/08/11 15:30:00 UTC

[jira] [Created] (FLINK-28934) Pulsar Source put all the splits to only one parallelism when using Exclusive subscription

Yufan Sheng created FLINK-28934:
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             Summary: Pulsar Source put all the splits to only one parallelism when using Exclusive subscription
                 Key: FLINK-28934
                 URL: https://issues.apache.org/jira/browse/FLINK-28934
             Project: Flink
          Issue Type: Bug
            Reporter: Yufan Sheng
         Attachments: image-2022-08-11-23-27-04-268.png

 !image-2022-08-11-23-27-04-268.png! 

The image here shows if we start a Flink application with four parallelism and four splits. All the splits would be sent to the first added reader. This is because we don't assign splits by pre-divide splits according to the size of parallelism. The readers are added to the enumerator one by one in the first bootstrap.



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