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From "Kousuke Saruta (JIRA)" <>
Subject [jira] [Commented] (HIVE-4501) HS2 memory leak - FileSystem objects in FileSystem.CACHE
Date Wed, 25 Sep 2013 00:06:03 GMT


Kousuke Saruta commented on HIVE-4501:

Hi [~thejas]
Now, I try to address the issue HIVE-5296, which includes this issue.
I think, it's better to call FileSystem.closeAll at the end of the session than disable cache
because a FileSystem object can be used more than 1 time in a statement.
> HS2 memory leak - FileSystem objects in FileSystem.CACHE
> --------------------------------------------------------
>                 Key: HIVE-4501
>                 URL:
>             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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