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https://issues.apache.org/jira/browse/SPARK-26527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen reassigned SPARK-26527:
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Assignee: SongYadong
> Let acquireUnrollMemory fail fast if required space exceeds memory limit
> ------------------------------------------------------------------------
>
> Key: SPARK-26527
> URL: https://issues.apache.org/jira/browse/SPARK-26527
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.0.0
> Reporter: SongYadong
> Assignee: SongYadong
> Priority: Minor
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> When acquiring unroll memory from {{StaticMemoryManager}}, let it fail fast
> if required space exceeds memory limit, just like acquiring storage memory.
> I think this may reduce some computation and memory evicting costs especially
> when required space({{numBytes}}) is very big.
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