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https://issues.apache.org/jira/browse/FLINK-18034?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-18034:
-----------------------------------
Labels: pull-request-available (was: )
> Introduce PreferredLocationsRetriever
> -------------------------------------
>
> Key: FLINK-18034
> URL: https://issues.apache.org/jira/browse/FLINK-18034
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Reporter: Zhu Zhu
> Assignee: Zhu Zhu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.12.0
>
>
> Preferred locations based on state and inputs are scattered into multiple
> components, which makes it harder to reasoning the calculation and
> complicates those hosting components.
> We can introduce a {{PreferredLocationsRetriever}} to be used by
> {{ExecutionSlotAllocator}} which returns preferred locations of an execution
> vertex and hides the details of the calculation from other components.
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