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https://issues.apache.org/jira/browse/IMPALA-10942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Riza Suminto updated IMPALA-10942:
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Labels: memory-leak (was: )
> Fix memory leak in admission controller
> ---------------------------------------
>
> Key: IMPALA-10942
> URL: https://issues.apache.org/jira/browse/IMPALA-10942
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 4.0.0
> Reporter: Bikramjeet Vig
> Assignee: Bikramjeet Vig
> Priority: Critical
> Labels: memory-leak
> Fix For: Impala 4.1.0
>
> Attachments: impala4-coordinator-memory-leak-heap-growth-profile.pdf
>
>
> [https://github.com/apache/impala/blob/1a61a8025c87c37921a1bba4c49f754d8bd10bcc/be/src/scheduling/admission-controller.cc#L1196]
> The intent of the aforementioned line in the code was to check and remove the
> queue_node if the query was not queued. Instead it end up checking whether
> that flag is a null pointer or not. Since a valid pointer is always sent,
> this would result in the queue node never being removed resulting in a memory
> leak
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