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https://issues.apache.org/jira/browse/FLINK-19024?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen closed FLINK-19024.
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> Remove unused "releaseMemory" from ResultSubpartition
> -----------------------------------------------------
>
> Key: FLINK-19024
> URL: https://issues.apache.org/jira/browse/FLINK-19024
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Network
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Priority: Minor
> Fix For: 1.12.0
>
>
> The {{releaseMemory()}} call in the {{ResultSubpartition}} is currently not
> meaningful for any existing implementation.
> Future versions where memory may have to be released will quite possibly not
> implement that on a "subpartition" level. For example, a sort based shuffle
> has the buffers on a partition-level, rather than a subpartition level.
> We should thus remove the {{releaseMemory()}} call from the abstract
> subpartition interface. Concrete implementations can still release memory on
> a subpartition level, if needed in the future.
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