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https://issues.apache.org/jira/browse/FLINK-10742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16676395#comment-16676395
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Yun Gao commented on FLINK-10742:
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Hi [~NicoK], I have written a [design
doc|[https://docs.google.com/document/d/1mFCXzs-oDK3R0K7OYyS0G8M6jWLWRNsARzORaptplWY/edit?usp=sharing]]
to discuss the detailed motivation, the proposed design and comparison with
some other possible designs. Let me know if you think it has problems. :)
> Let Netty use Flink's buffers directly in credit-based mode
> -----------------------------------------------------------
>
> Key: FLINK-10742
> URL: https://issues.apache.org/jira/browse/FLINK-10742
> Project: Flink
> Issue Type: Sub-task
> Components: Network
> Affects Versions: 1.7.0
> Reporter: Nico Kruber
> Assignee: Yun Gao
> Priority: Major
> Fix For: 1.8.0
>
>
> For credit-based flow control, we always have buffers available for data that
> is sent to use. We could thus use them directly and not copy the network
> stream into Netty buffers first and then into our buffers.
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