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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12563) Updated utility to create/modify token files
Date Tue, 10 May 2016 03:49:13 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15277563#comment-15277563
] 

Allen Wittenauer commented on HADOOP-12563:
-------------------------------------------

Yup.  If this is true:

bq. Both Tez and Hadoop are from the latest master/trunk.

.. then that means Tez is including older jars into it's distribution which it should definitely
not be doing for the credential code, given:

bq. @InterfaceAudience.LimitedPrivate({"HDFS", "MapReduce"})

So yes, Tez is broken here, not Hadoop.


> Updated utility to create/modify token files
> --------------------------------------------
>
>                 Key: HADOOP-12563
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12563
>             Project: Hadoop Common
>          Issue Type: New Feature
>    Affects Versions: 3.0.0
>            Reporter: Allen Wittenauer
>            Assignee: Matthew Paduano
>             Fix For: 3.0.0
>
>         Attachments: HADOOP-12563.01.patch, HADOOP-12563.02.patch, HADOOP-12563.03.patch,
HADOOP-12563.04.patch, HADOOP-12563.05.patch, HADOOP-12563.06.patch, HADOOP-12563.07.patch,
HADOOP-12563.07.patch, HADOOP-12563.08.patch, HADOOP-12563.09.patch, HADOOP-12563.10.patch,
HADOOP-12563.11.patch, HADOOP-12563.12.patch, HADOOP-12563.13.patch, HADOOP-12563.14.patch,
HADOOP-12563.15.patch, HADOOP-12563.16.patch, dtutil-test-out, example_dtutil_commands_and_output.txt,
generalized_token_case.pdf
>
>
> hdfs fetchdt is missing some critical features and is geared almost exclusively towards
HDFS operations.  Additionally, the token files that are created use Java serializations which
are hard/impossible to deal with in other languages. It should be replaced with a better utility
in common that can read/write protobuf-based token files, has enough flexibility to be used
with other services, and offers key functionality such as append and rename. The old version
file format should still be supported for backward compatibility, but will be effectively
deprecated.
> A follow-on JIRA will deprecrate fetchdt.



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