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https://issues.apache.org/jira/browse/FLINK-14521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17336395#comment-17336395
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Flink Jira Bot commented on FLINK-14521:
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This issue was labeled "stale-major" 7 ago and has not received any updates so
it is being deprioritized. If this ticket is actually Major, please raise the
priority and ask a committer to assign you the issue or revive the public
discussion.
> CoLocationGroup is not set into JobVertex if the stream node is chained with
> others
> -----------------------------------------------------------------------------------
>
> Key: FLINK-14521
> URL: https://issues.apache.org/jira/browse/FLINK-14521
> Project: Flink
> Issue Type: Bug
> Components: API / DataStream
> Affects Versions: 1.9.0, 1.9.1
> Reporter: Yun Gao
> Priority: Major
> Labels: pull-request-available, stale-major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> StreamingJobGraphGenerator.isChainable dose not consider the coLocationGroup,
> if A -> B is chained, the coLocationGroup of the corresponding JobVertex will
> be set with that of the head node, namely A. Therefore, if B has declared
> coLocationGroup but A does not, then the coLocationGroup of B will be ignored.
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