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https://issues.apache.org/jira/browse/FLINK-7456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16330155#comment-16330155
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ASF GitHub Bot commented on FLINK-7456:
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Github user zhijiangW commented on the issue:
https://github.com/apache/flink/pull/4552
1. Thanks for you FLINK08425.
2. I would have thought the tests for
`ResultSubpartition#nextBufferIsEvent` which have already been covered before.
The test for `BufferAndBacklog#nextBufferIsEvent()` is not included before, and
thanks for providing the patch for it.
3. I will create a separate JIRA for the switch and also include the commit
in this PR. And check the travis fail.
4. I will add the comment for the document you mentioned later.
> Implement Netty sender incoming pipeline for credit-based
> ---------------------------------------------------------
>
> Key: FLINK-7456
> URL: https://issues.apache.org/jira/browse/FLINK-7456
> Project: Flink
> Issue Type: Sub-task
> Components: Network
> Reporter: zhijiang
> Assignee: zhijiang
> Priority: Major
> Fix For: 1.5.0
>
>
> This is a part of work for credit-based network flow control.
> On sender side, each subpartition view maintains an atomic integer
> {{currentCredit}} from receiver. Once receiving the messages of
> {{PartitionRequest}} and {{AddCredit}}, the {{currentCredit}} is added by
> deltas.
> Each view also maintains an atomic boolean field to mark it as registered
> available for transfer to make sure it is enqueued in handler only once. If
> the {{currentCredit}} increases from zero and there are available buffers in
> the subpartition, the corresponding view will be enqueued for transferring
> data.
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