[jira] [Created] (FLINK-9014) Adapt BackPressureStatsTracker to work with credit-based flow control

[Shang Yuanchun (Jira)]

Nico Kruber created FLINK-9014:
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             Summary: Adapt BackPressureStatsTracker to work with credit-based flow control
                 Key: FLINK-9014
                 URL: https://issues.apache.org/jira/browse/FLINK-9014
             Project: Flink
          Issue Type: Sub-task
          Components: Network, Webfrontend
    Affects Versions: 1.5.0, 1.6.0
            Reporter: Nico Kruber
             Fix For: 1.5.0, 1.6.0


The {{BackPressureStatsTracker}} relies on sampling threads being blocked in {{LocalBufferPool#requestBufferBuilderBlocking}} to indicate backpressure but with credit-based flow control, we are also back-pressured if we did not get any credits (yet).



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