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https://issues.apache.org/jira/browse/SPARK-4994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14260082#comment-14260082
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Apache Spark commented on SPARK-4994:
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User 'lianhuiwang' has created a pull request for this issue:
https://github.com/apache/spark/pull/3828
> Cleanup removed executors' ShuffleInfo in yarn shuffle service
> --------------------------------------------------------------
>
> Key: SPARK-4994
> URL: https://issues.apache.org/jira/browse/SPARK-4994
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.2.0
> Reporter: Lianhui Wang
>
> when the application is completed, yarn's nodemanager can remove
> application's local-dirs.but all executors' metadata of completed application
> havenot be removed. now it let yarn ShuffleService to have much more memory
> to store Executors' ShuffleInfo. so these metadata need to be removed.
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