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https://issues.apache.org/jira/browse/HIVE-4501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13780156#comment-13780156
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Kousuke Saruta commented on HIVE-4501:
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Hi [~apivovarov] I revased your patch and found that FileSystem.CACHE doesn't
leak.
> HS2 memory leak - FileSystem objects in FileSystem.CACHE
> --------------------------------------------------------
>
> Key: HIVE-4501
> URL: https://issues.apache.org/jira/browse/HIVE-4501
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2
> Affects Versions: 0.11.0
> Reporter: Thejas M Nair
> Assignee: Thejas M Nair
> Priority: Critical
> Attachments: HIVE-4501.1.patch, HIVE-4501.1.patch
>
>
> org.apache.hadoop.fs.FileSystem objects are getting accumulated in
> FileSystem.CACHE, with HS2 in unsecure mode.
> As a workaround, it is possible to set fs.hdfs.impl.disable.cache and
> fs.file.impl.disable.cache to true.
> Users should not have to bother with this extra configuration.
> As a workaround disable impersonation by setting hive.server2.enable.doAs to
> false.
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