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https://issues.apache.org/jira/browse/HADOOP-12563?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthew Paduano updated HADOOP-12563:
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Attachment: (was: example_dtutil_commands_and_output.txt)
> 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
> Attachments: HADOOP-12563.01.patch, HADOOP-12563.02.patch,
> HADOOP-12563.03.patch, 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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