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https://issues.apache.org/jira/browse/FLINK-14818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16979219#comment-16979219
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Yingjie Cao commented on FLINK-14818:
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I found there seems no very straightforward way to achieve our goal of 4
ResultPartition with 1000 subpartition each to 4 SingleInputGate which 1000
input channel each. The reason is that the subpartition index to be request is
InputGate level not InputChannel level, each time when requesting a
subpartition, the InputGate passes the subpartition index to InputChannel, so
the requested subpartition indexes are all the same one for all InputChannels
of a InputGate. If we want to change the behavior and without touching the
non-test-code, we may need to mock a InputGate and relevant code to change the
behavior. Do you think that is acceptable? [~pnowojski]
> StreamNetworkBenchmarkEnvironment incorrectly setups a receiving InputGate
> --------------------------------------------------------------------------
>
> Key: FLINK-14818
> URL: https://issues.apache.org/jira/browse/FLINK-14818
> Project: Flink
> Issue Type: Bug
> Components: Benchmarks
> Affects Versions: 1.7.2, 1.8.2, 1.9.1
> Reporter: Piotr Nowojski
> Assignee: Yingjie Cao
> Priority: Major
>
> 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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