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https://issues.apache.org/jira/browse/HADOOP-18091?focusedWorklogId=715551&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-715551
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ASF GitHub Bot logged work on HADOOP-18091:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 26/Jan/22 09:40
            Start Date: 26/Jan/22 09:40
    Worklog Time Spent: 10m 
      Work Description: steveloughran commented on pull request #3930:
URL: https://github.com/apache/hadoop/pull/3930#issuecomment-1022027079


   needs unit tests of the basic map class and its operations


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 715551)
    Time Spent: 4h 20m  (was: 4h 10m)

> S3A auditing leaks memory through ThreadLocal references
> --------------------------------------------------------
>
>                 Key: HADOOP-18091
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18091
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.3.2
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 4h 20m
>  Remaining Estimate: 0h
>
> {{ActiveAuditManagerS3A}} uses thread locals to map to active audit spans, 
> which (because they are wrapped) include back reference to the audit manager 
> instance and the config it was created with.
> these *do not* get cleaned up when the FS instance is closed.
> if you have a long lived process creating and destroying many FS instances, 
> then memory gets used up. l



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