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https://issues.apache.org/jira/browse/FLINK-1404?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann closed FLINK-1404.
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Resolution: Not A Problem
Blocking result partitions which we use for caching don't occupy memory
segments.
> Add support to cache intermediate results
> -----------------------------------------
>
> Key: FLINK-1404
> URL: https://issues.apache.org/jira/browse/FLINK-1404
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Reporter: Ufuk Celebi
> Priority: Major
>
> With blocking intermediate results (FLINK-1350) and proper partition state
> management (FLINK-1359) it is necessary to allow the network buffer pool to
> request eviction of historic intermediate results when not enough buffers are
> available. With the currently available pipelined intermediate partitions
> this is not an issue, because buffer pools can be released as soon as a
> partition is consumed.
> We need to be able to trigger the recycling of buffers held by historic
> intermediate results when not enough buffers are available for new local
> pools.
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