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https://issues.apache.org/jira/browse/SPARK-17286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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song fengfei closed SPARK-17286.
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> The fetched data of Shuffle read stored in the ManagedBuffer, so its
> underlying data stored in off-memory or file?
> -------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-17286
> URL: https://issues.apache.org/jira/browse/SPARK-17286
> Project: Spark
> Issue Type: Question
> Components: Block Manager, Input/Output, Shuffle
> Reporter: song fengfei
>
> The fetched data of Shuffle read stored in the ManagedBuffer, so its
> underlying data stored in off-memory or file? if stored in off-memory,
> Whether it is also managed by spark memorymanager ? and if a map output is
> too big, placed it directly in the memory isn't very easily lead to oom? I
> did not understand this piece, hoping to get the answer here,thanks!
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