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  1. IMPALA
  2. IMPALA-10942

Fix memory leak in admission controller

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Details

    • Bug
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • Impala 4.0.0
    • Impala 4.1.0
    • Backend
    • None
    • ghx-label-12

    Description

      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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            bikramjeet.vig Bikramjeet Vig
            bikramjeet.vig Bikramjeet Vig
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            Dates

              Created:
              Updated:
              Resolved: