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https://issues.apache.org/jira/browse/FLINK-7406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16260828#comment-16260828
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ASF GitHub Bot commented on FLINK-7406:
---------------------------------------
Github user NicoK commented on a diff in the pull request:
https://github.com/apache/flink/pull/4509#discussion_r152242064
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/RemoteInputChannel.java
---
@@ -134,9 +138,9 @@ void assignExclusiveSegments(List<MemorySegment>
segments) {
--- End diff --
How about adding (most of) this method's body into the
`AvailableBufferQueue` class, including some more data handling logic? This
way, we can separate the network handling a bit from the buffer logic. (I'll
add comments to some more things to extract below)
Also, you could test the buffer logic alone (inside `AvailableBufferQueue`)
a bit better.
> 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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