Steve Loughran updated HADOOP-13892:
    Parent: HADOOP-15220  (was: HADOOP-14831)

> use s3 tags/headers to record permissions on objects, so preserving them 
> through distcp round trips
> ---------------------------------------------------------------------------------------------------
>                 Key: HADOOP-13892
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13892
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 2.9.0
>            Reporter: Steve Loughran
>            Priority: Major
> S3 now supports object tags, attributes which can be updated during the life 
> of an object.
> S3A could use that to preserve the permissions/ACLs of objects when copied 
> from elsewhere, in particular from HDFS. This would ensure that data backed 
> up from HDFS preserves all the permission information needed when doing a 
> recovery from S3 to HDFS.
> Azure WASB does exactly this already.

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