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From "Alexander Pivovarov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4501) HS2 memory leak - FileSystem objects in FileSystem.CACHE
Date Tue, 24 Sep 2013 05:40:06 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13776008#comment-13776008
] 

Alexander Pivovarov commented on HIVE-4501:
-------------------------------------------

After set them to false I see 4 Lease checker threads created on each query execution.
                
> 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
>         Attachments: 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 false.
> Users should not have to bother with this extra configuration. 

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