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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2019/01/04 01:33:00 UTC
[jira] [Commented] (SPARK-26527) Let acquireUnrollMemory fail fast
if required space exceeds memory limit
[ https://issues.apache.org/jira/browse/SPARK-26527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16733708#comment-16733708 ]
Apache Spark commented on SPARK-26527:
--------------------------------------
User 'SongYadong' has created a pull request for this issue:
https://github.com/apache/spark/pull/23426
> 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
> 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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