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https://issues.apache.org/jira/browse/HADOOP-16644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17015271#comment-17015271
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Steve Loughran commented on HADOOP-16644:
-----------------------------------------

metadata in a PutObjectResult doesn't include any timestamp, not in the 
debugger I'm looking at. 

> Retrive modtime of PUT file from store, via response or HEAD
> ------------------------------------------------------------
>
>                 Key: HADOOP-16644
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16644
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3, test
>    Affects Versions: 3.3.0
>         Environment: -Dparallel-tests -DtestsThreadCount=8 
> -Dfailsafe.runOrder=balanced -Ds3guard -Ddynamo -Dscale
> h2. Hypothesis:
> the timestamp of the source file is being picked up from S3Guard, but when 
> the NM does a getFileStatus call, a HEAD check is made -and this (due to the 
> overloaded test system) is out of sync with the listing. S3Guard is updated, 
> the corrected date returned and the localisation fails.
>            Reporter: Steve Loughran
>            Priority: Major
>
> Terasort of directory committer failing in resource localisaton -the 
> partitions.lst file has a different TS from that expected
> Happens under loaded integration tests (threads = 8; not standalone); 
> non-auth s3guard
> {code}
> 2019-10-08 11:50:29,774 [IPC Server handler 4 on 55983] WARN  
> localizer.ResourceLocalizationService 
> (ResourceLocalizationService.java:processHeartbeat(1150)) - { 
> s3a://hwdev-steve-ireland-new/terasort-directory/sortout/_partition.lst, 
> 1570531828143, FILE, null } failed: Resource 
> s3a://hwdev-steve-ireland-new/terasort-directory/sortout/_partition.lst 
> changed on src filesystem (expected 1570531828143, was 1570531828000
> java.io.IOException: Resource 
> s3a://hwdev-steve-ireland-new/terasort-directory/sortout/_partition.lst 
> changed on src filesystem (expected 1570531828143, was 1570531828000
> {code}



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