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https://issues.apache.org/jira/browse/SENTRY-699?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14514409#comment-14514409
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Prasad Mujumdar commented on SENTRY-699:
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[~colin_mjj] Would it be possible for you to take a look at the patch. Thanks!
> Memory leak when running Sentry w/ HiveServer2
> ----------------------------------------------
>
> Key: SENTRY-699
> URL: https://issues.apache.org/jira/browse/SENTRY-699
> Project: Sentry
> Issue Type: Bug
> Affects Versions: 1.5.0
> Reporter: Lenni Kuff
> Assignee: Prasad Mujumdar
> Attachments: SENTRY-699.1.patch
>
>
> Each time a query executes we create a new instance of HiveAuthzConf which in
> turn creates a ResourceAuthorizationProvider. Within
> ResourceAuthorizationProvider there is a thread local variable:
> "ThreadLocal<List<String>> lastFailedPrivileges" which is not getting garbage
> collected since the parent thread is still alive. Over time, this leads to a
> memory leak in HS2. We need to be sure that any ThreadLocal state is cleaned
> up when we are done using it (or consider avoiding the use of ThreadLocal if
> possible).
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