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[jira] [Created] (FLINK-10047) Checkpointing takes much longer with credit base flow control.


Piotr Nowojski created FLINK-10047:
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             Summary: Checkpointing takes much longer with credit base flow control.
                 Key: FLINK-10047
                 URL: https://issues.apache.org/jira/browse/FLINK-10047
             Project: Flink
          Issue Type: Bug
          Components: Network
    Affects Versions: 1.5.2, 1.5.1, 1.5.0
            Reporter: Piotr Nowojski


As reported by an user, in some scenario it looks like checkpointing takes significantly more time (~40 minutes compared to ~2 minutes in Flink 1.4). Probably throughput is also lower.



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