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From "Szehon Ho (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-7353) HiveServer2 using embedded MetaStore leaks JDOPersistanceManager
Date Thu, 10 Jul 2014 04:37:06 GMT

    [ https://issues.apache.org/jira/browse/HIVE-7353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14057117#comment-14057117
] 

Szehon Ho commented on HIVE-7353:
---------------------------------

Looks like a bad leak we should fix.  

I put some comment and question on the rb, thanks.

> HiveServer2 using embedded MetaStore leaks JDOPersistanceManager
> ----------------------------------------------------------------
>
>                 Key: HIVE-7353
>                 URL: https://issues.apache.org/jira/browse/HIVE-7353
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>    Affects Versions: 0.13.0
>            Reporter: Vaibhav Gumashta
>            Assignee: Vaibhav Gumashta
>             Fix For: 0.14.0
>
>         Attachments: HIVE-7353.1.patch
>
>
> While using embedded metastore, while creating background threads to run async operations,
HiveServer2 ends up creating new instances of JDOPersistanceManager rather than using the
one from the foreground (handler) thread. Since JDOPersistanceManagerFactory caches JDOPersistanceManager
instances, they are never GCed.



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