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https://issues.apache.org/jira/browse/HADOOP-12548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14994015#comment-14994015
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Allen Wittenauer edited comment on HADOOP-12548 at 11/6/15 5:20 PM:
--------------------------------------------------------------------

Sorry I should have been more explicit.  Running 'java blah blah blah -Dfoo=bar 
blah blah blah' will inject the 'foo' property with the 'bar' value. No special 
support is required.  In the case of hadoop executables, 'hadoop distcp 
-Dfoo=bar blah blah' should work.


was (Author: aw):
Sorry I should have been more explicit.  Running 'java blah blah blah -Dfoo=bar 
blah blah blah' will inject the 'foo' property with the 'bar' value. No special 
support is required.

> 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
>
>
> 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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