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https://issues.apache.org/jira/browse/FLINK-9809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-9809:
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Labels: pull-request-available (was: )
> Support setting CoLocation constraints on the DataStream Transformations
> ------------------------------------------------------------------------
>
> Key: FLINK-9809
> URL: https://issues.apache.org/jira/browse/FLINK-9809
> Project: Flink
> Issue Type: Improvement
> Components: Streaming
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.6.0
>
>
> Flink supports co location constraints for operator placement during
> scheduling. This is used internally for iterations, for example, but is not
> exposed to users.
> I propose to add a way for expert users to set these constraints. As a first
> step, I would add them to the {{StreamTransformation}}, which is not part of
> the public user-facing classes, but a more internal class in the DataStream
> API. That way we make this initially a hidden feature and can gradually
> expose it more prominently when we agree that this would be a good idea.
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