[jira] [Commented] (FLINK-7406) Implement Netty receiver incoming pipeline for credit-based

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-7406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16316293#comment-16316293 ] 

ASF GitHub Bot commented on FLINK-7406:
---------------------------------------

Github user NicoK commented on the issue:

    https://github.com/apache/flink/pull/4509
  
    merged in 268867ce620a2c12879749db2ecb68bbe129cad5
    @zhijiangW can you close this PR?


> Implement Netty receiver incoming pipeline for credit-based
> -----------------------------------------------------------
>
>                 Key: FLINK-7406
>                 URL: https://issues.apache.org/jira/browse/FLINK-7406
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Network
>            Reporter: zhijiang
>            Assignee: zhijiang
>             Fix For: 1.5.0
>
>
> This is a part of work for credit-based network flow control.
> Currently {{PartitionRequestClientHandler}} receives and reads {{BufferResponse}} from producer. It will request buffer from {{BufferPool}} for holding the message. If not got, the message is staged temporarily and {{autoread}} for channel is set false.
> For credit-based mode, {{PartitionRequestClientHandler}} can always get buffer from {{RemoteInputChannel}} for reading messages from producer.
> The related works are:
> * Add the backlog of producer in {{BufferResponse}} message structure
> * {{PartitionRequestClientHandler}} requests buffer from {{RemoteInputChannel}} directly
> * {{PartitionRequestClientHandler}} updates backlog for {{RemoteInputChannel}}, and it may trigger requests of floating buffers from {{BufferPool}}



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