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Posted to common-issues@hadoop.apache.org by "Steve Loughran (Jira)" <ji...@apache.org> on 2022/02/10 12:36:00 UTC

[jira] [Resolved] (HADOOP-18091) S3A auditing leaks memory through ThreadLocal references

     [ https://issues.apache.org/jira/browse/HADOOP-18091?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Loughran resolved HADOOP-18091.
-------------------------------------
    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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