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https://issues.apache.org/jira/browse/SPARK-30246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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huangweiyi updated SPARK-30246:
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Attachment: streamState.png
> Spark on Yarn External Shuffle Service Memory Leak
> --------------------------------------------------
>
> Key: SPARK-30246
> URL: https://issues.apache.org/jira/browse/SPARK-30246
> Project: Spark
> Issue Type: Bug
> Components: Shuffle, Spark Core
> Affects Versions: 2.4.3
> Environment: hadoop 2.7.3
> spark 2.4.3
> jdk 1.8.0_60
> Reporter: huangweiyi
> Priority: Major
> Attachments: nm_heap_overview.png, nm_oom.png, streamState.png
>
>
> In our large busy yarn cluster which started Spark external shuffle service
> on each NodeManager(NM), we encountered OOM in some NMs.
> after i dump the heap memory and found there are some stremState objects
> still in heap, but the app which the streamState belongs to is already
> finished.
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