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Posted to issues@impala.apache.org by "Bikramjeet Vig (Jira)" <ji...@apache.org> on 2021/09/30 20:08:00 UTC
[jira] [Created] (IMPALA-10942) Fix memory leak in admission
controller
Bikramjeet Vig created IMPALA-10942:
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Summary: Fix memory leak in admission controller
Key: IMPALA-10942
URL: https://issues.apache.org/jira/browse/IMPALA-10942
Project: IMPALA
Issue Type: Bug
Reporter: Bikramjeet Vig
Assignee: Bikramjeet Vig
[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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