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From "Konstantin Boudnik (JIRA)" <>
Subject [jira] [Commented] (HIVE-4501) HS2 memory leak - FileSystem objects in FileSystem.CACHE
Date Fri, 27 Sep 2013 22:52:02 GMT


Konstantin Boudnik commented on HIVE-4501:

bq. I believe the lease checker threads also go away when GC kicks in

We haven't observed that behavior in our tests, not with explicit GC at least.
> 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
>            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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