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https://issues.apache.org/jira/browse/HADOOP-15697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17231022#comment-17231022
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Wei-Chiu Chuang commented on HADOOP-15697:
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Maybe related MAPREDUCE-7298

> memory leak in distcp run method
> --------------------------------
>
>                 Key: HADOOP-15697
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15697
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: tools/distcp
>            Reporter: mahesh kumar behera
>            Priority: Major
>         Attachments: gc-root.png
>
>
> in distcp run method, execute is called but the job is not closed. This is 
> causing OOM error in Hive replication. I think in run method , shouldBlock 
> should be set to true and execute should be called within try-with-resources.



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