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https://issues.apache.org/jira/browse/HIVE-24438?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stamatis Zampetakis reassigned HIVE-24438:
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> Review shutdown hooks for memory leak
> -------------------------------------
>
> Key: HIVE-24438
> URL: https://issues.apache.org/jira/browse/HIVE-24438
> Project: Hive
> Issue Type: Task
> Reporter: Stamatis Zampetakis
> Assignee: Stamatis Zampetakis
> Priority: Major
>
> Shutdown hooks cannot be garbage collected till the JVM shutdown making the
> application prone to memory leaks. In many cases shutdown hooks are
> registered through the use of an anonymous class. If the class is created
> from non-static context then the hook implicitly holds a reference to an
> enclosing instance that is not always desirable and can lead to memory leak.
> The goal of this issue is to review calls registering shutdown hooks and
> eliminate any reference to enclosing instances if that is possible.
> Check the callers of:
> * ShutdownHookManager#addShutdownHook(java.lang.Runnable)
> * ShutdownHookManager#addShutdownHook(java.lang.Runnable, int)
>
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