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https://issues.apache.org/jira/browse/HADOOP-17511?focusedWorklogId=553696&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-553696
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ASF GitHub Bot logged work on HADOOP-17511:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 17/Feb/21 16:00
            Start Date: 17/Feb/21 16:00
    Worklog Time Spent: 10m 
      Work Description: steveloughran commented on pull request #2675:
URL: https://github.com/apache/hadoop/pull/2675#issuecomment-780659540


   Latest PR moves the prepareRequest() callback of the active span into the 
AWS SDK.
   
   HEAD^ does it in the request factory construction -that's still supported, 
but if we can keep the AWS SDK wiring -that will be better
   * guarantee of being invoked on all S3 operations, even those done in the 
client during startup
   * means we get audit/log of calls like doesBucketExistV2 without us 
reimplementing them 
   * means we can simplify the work I've just done regarding  marking 
operations as OnceRaw and walking up/down the callstack
   
   But: this does mean we need to solve the problem of endpoints and regions


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

    Worklog Id:     (was: 553696)
    Time Spent: 6.5h  (was: 6h 20m)

> Add an Audit plugin point for S3A auditing/context
> --------------------------------------------------
>
>                 Key: HADOOP-17511
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17511
>             Project: Hadoop Common
>          Issue Type: Sub-task
>    Affects Versions: 3.3.1
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 6.5h
>  Remaining Estimate: 0h
>
> Add a way for auditing tools to correlate S3 object calls with Hadoop FS API 
> calls.
> Initially just to log/forward to an auditing service.
> Later: let us attach them as parameters in S3 requests, such as opentrace 
> headeers or (my initial idea: http referrer header -where it will get into 
> the log)
> Challenges
> * ensuring the audit span is created for every public entry point. That will 
> have to include those used in s3guard tools, some defacto public APIs
> * and not re-entered for active spans. s3A code must not call back into the 
> FS API points
> * Propagation across worker threads



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