[jira] [Created] (FLINK-17208) Reduce redundant data available notification of PipelinedSubpartition

[Shang Yuanchun (Jira)]

Yingjie Cao created FLINK-17208:
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             Summary: Reduce redundant data available notification of PipelinedSubpartition
                 Key: FLINK-17208
                 URL: https://issues.apache.org/jira/browse/FLINK-17208
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Network
    Affects Versions: 1.11.0
            Reporter: Yingjie Cao
             Fix For: 1.11.0


There are three scenarios that may lead to redundant data available notifications for PipelinedSubpartition:
 # Add a new BufferConsumer after an event;
 # Finish the current subpartition;
 # Flush an event buffer.

We can avoid these redundant data available notifications.



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