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https://issues.apache.org/jira/browse/HADOOP-18091?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved HADOOP-18091.
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Fix Version/s: 3.3.3
Resolution: Fixed
> 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
> Fix For: 3.3.3
>
> Time Spent: 7h 40m
> 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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