Piotr Nowojski created FLINK-14818:
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             Summary: StreamNetworkBenchmarkEnvironment incorrectly setups a 
receiving InputGate
                 Key: FLINK-14818
                 URL: https://issues.apache.org/jira/browse/FLINK-14818
             Project: Flink
          Issue Type: Task
          Components: Benchmarks
    Affects Versions: 1.9.1, 1.8.2, 1.7.2
            Reporter: Piotr Nowojski


In network benchmark (for example 1000 channels benchmark with 4 record 
writers) {{StreamNetworkBenchmarkEnvironment#createInputGate}} creates 1000 
input gates with 4 input channels each, which doesn't make much sense. I would 
expect either having 4 receivers with single input gate with 1000 channels 
each, or a single receiver with 4 input gates, with 1000 channels each.



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