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https://issues.apache.org/jira/browse/FLINK-13867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17323191#comment-17323191
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Flink Jira Bot commented on FLINK-13867:
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This issue is assigned but has not received an update in 7 days so it has been
labeled "stale-assigned". If you are still working on the issue, please give an
update and remove the label. If you are no longer working on the issue, please
unassign so someone else may work on it. In 7 days the issue will be
automatically unassigned.
> Write file only once when doing blocking broadcast shuffle
> ----------------------------------------------------------
>
> Key: FLINK-13867
> URL: https://issues.apache.org/jira/browse/FLINK-13867
> Project: Flink
> Issue Type: New Feature
> Components: Runtime / Network
> Reporter: Kurt Young
> Assignee: Yun Gao
> Priority: Major
> Labels: stale-assigned
>
> When doing broadcast shuffle in BATCH/BLOCKING fashion, the producer can only
> write one copy of output data for all possible consumers, instead of writing
> one copy of data for each consumer.
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