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https://issues.apache.org/jira/browse/FLINK-10742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17058497#comment-17058497
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Nico Kruber commented on FLINK-10742:
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[~zjwang] I'm not sure, but since the reported memory usage improvements were
big in large-scale deployments, is this worth putting in a small release note
for that?
> 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: Runtime / Network
> Affects Versions: 1.7.0
> Reporter: Nico Kruber
> Assignee: Yun Gao
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.11.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> 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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