[jira] [Commented] (TEZ-1611) Change DataSource/Sink to be able to supply URIs for credentials

["Bikas Saha (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/TEZ-1611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14147475#comment-14147475 ] 

Bikas Saha commented on TEZ-1611:
---------------------------------

Cant add unit test for this because UGI.isSecurityEnabled is a static method that cannot be mocked and without it all token fetching is disabled. [~rajesh.balamohan] Please review.

> Change DataSource/Sink to be able to supply URIs for credentials
> ----------------------------------------------------------------
>
>                 Key: TEZ-1611
>                 URL: https://issues.apache.org/jira/browse/TEZ-1611
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Bikas Saha
>            Assignee: Bikas Saha
>         Attachments: TEZ-1611.1.patch
>
>
> This way commonly used credentials (HDFS) can be obtained globally for the DAG and take advantage of previously cached credentials where appropriate. This would reduce round trips to the NN. The existing method to get credentials will still be in place for other credentials that we cannot obtain automatically via URIs



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