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https://issues.apache.org/jira/browse/FLINK-19312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17201856#comment-17201856
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Yingjie Cao commented on FLINK-19312:
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Merged into master via 88a07a9eb65514cf1874a27afc72bd430d87d11f.
> Introduce BufferWritingResultPartition which wraps the logic of writing
> buffers to ResultSubpartition
> -----------------------------------------------------------------------------------------------------
>
> Key: FLINK-19312
> URL: https://issues.apache.org/jira/browse/FLINK-19312
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Network
> Reporter: Yingjie Cao
> Priority: Major
> Fix For: 1.12.0
>
>
> In the current abstraction, buffers are written to and read from
> ResultSubpartition which is a hash-style data writing and reading
> implementation. In the future, sort-merge based ResultPartitionWriter will be
> implemented which can not share the current hash-style ResultSubpartition
> related logic. This ticket tries to introduce the
> BufferWritingResultPartition which wraps the logic related to
> ResultSubpartition, after which the ResultPartition is free of
> ResultSubpartition and can be reused by the future sort-merge based
> ResultPartitionWriter implementation.
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