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https://issues.apache.org/jira/browse/HADOOP-12548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14995160#comment-14995160
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Steve Loughran commented on HADOOP-12548:
-----------------------------------------

# Can you pick up the test constants from 
{{org.apache.hadoop.fs.s3a.Constants}} so there's 0 risk of typos
# when you catch & log IOEs: what's going to cause those, and how much noise 
will in create on a multi-threaded run, such as an HDFS backup?

> read s3 creds from a Credential Provider
> ----------------------------------------
>
>                 Key: HADOOP-12548
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12548
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs/s3
>            Reporter: Allen Wittenauer
>            Assignee: Larry McCay
>         Attachments: CredentialProviderAPIforS3FS.pdf, HADOOP-12548-01.patch, 
> HADOOP-12548-02.patch, HADOOP-12548-03.patch
>
>
> It would be good if we could read s3 creds from a source other than via a 
> java property/Hadoop configuration option



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