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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-7456) Implement Netty sender incoming pipeline for credit-based
Date Fri, 01 Dec 2017 10:45:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-7456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16274235#comment-16274235
] 

ASF GitHub Bot commented on FLINK-7456:
---------------------------------------

Github user zhijiangW commented on the issue:

    https://github.com/apache/flink/pull/4552
  
    @NicoK , I have rebased the latest codes. Wish your reviews!


> 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
>             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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