[jira] [Updated] (HADOOP-16190) S3A copyFile operation to include source versionID or etag in the copy request

["Steve Loughran (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-16190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Loughran updated HADOOP-16190:
------------------------------------
    Affects Version/s:     (was: 3.2.0)
                       2.9.2
                       3.0.3

> S3A copyFile operation to include source versionID or etag in the copy request
> ------------------------------------------------------------------------------
>
>                 Key: HADOOP-16190
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16190
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 2.9.2, 3.0.3
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>
> The S3 {{CopyObjectRequest}} structure used to build a copy request takes, optionally
> * a version ID of the source file
> * the etag of the source file
> using these will guarantee that the source file is copied exactly once
> 1. When working with S3Guard in auth mode, and the etag/version are kept in the DDB table, that should be the authoritative source of metadata: fail fast if the file is out of date
> 2. And when non-auth mode is used, the getObjectMetadata check made should update the s3guard table if needed.



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