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https://issues.apache.org/jira/browse/HIVE-9017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14245029#comment-14245029
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Marcelo Vanzin commented on HIVE-9017:
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I filed https://issues.apache.org/jira/browse/SPARK-4834 to fix this in Spark.
bq. To clarify, when Spark lunched multiple executors in one host for one
application, these executors share the same JVM, right?
No, each executor is its own process.
> Clean up temp files of RSC [Spark Branch]
> -----------------------------------------
>
> Key: HIVE-9017
> URL: https://issues.apache.org/jira/browse/HIVE-9017
> Project: Hive
> Issue Type: Sub-task
> Components: Spark
> Reporter: Rui Li
>
> Currently RSC will leave a lot of temp files in {{/tmp}}, including
> {{*_lock}}, {{*_cache}}, {{spark-submit.*.properties}}, etc.
> We should clean up these files or it will exhaust disk space.
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