[jira] [Closed] (FLINK-7416) Implement Netty receiver outgoing pipeline for credit-based

["Nico Kruber (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-7416?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nico Kruber closed FLINK-7416.
------------------------------
    Resolution: Fixed

Merged.

1.5.0: 1752fdb339df4e4d0a5063b24c460abdc0a44264

> Implement Netty receiver outgoing pipeline for credit-based
> -----------------------------------------------------------
>
>                 Key: FLINK-7416
>                 URL: https://issues.apache.org/jira/browse/FLINK-7416
>             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.
> The related works are :
> *  We define a new message called {{AddCredit}} to notify the incremental credit during data shuffle. 
> * Whenever an {{InputChannel}}’s unannounced credit goes up from zero, the channel is enqueued in the pipeline.
> * Whenever the channel becomes writable, it takes the next {{InputChannel}} and sends its unannounced credit. The credit is reset to zero after each sent.
> * That way, messages are sent as often as the network has capacity and contain as much credit as available for the channel at that point in time. Otherwise, it would only add latency to the announcements and not increase throughput.



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