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https://issues.apache.org/jira/browse/SAMZA-727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15123373#comment-15123373
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Steve Loughran commented on SAMZA-727:
--------------------------------------

Looking at the patch

# it's addressing AM/RM communications, so won't support long-lived 
applications.
# However, know that when the AM is restarted, its launch context tokens are 
renewed. If the AM can cope with restarts without losing work, you can get 
refreshes that way.
# see: 
https://steveloughran.gitbooks.io/kerberos_and_hadoop/content/sections/yarn.html
 ; I'm writing it up a bit more for YARN itself, something which will also 
cover how to pick up tokens generated by Oozie

> Support for Kerberos
> --------------------
>
>                 Key: SAMZA-727
>                 URL: https://issues.apache.org/jira/browse/SAMZA-727
>             Project: Samza
>          Issue Type: New Feature
>          Components: yarn
>    Affects Versions: 0.9.0
>         Environment: YARN with Kerberos
>            Reporter: Qi FU
>            Assignee: Chen Song
>             Fix For: 0.10.1
>
>         Attachments: SAMZA-727.patch
>
>
> Samza doesn't support Kerberos, which is very common for YARN cluster.



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