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https://issues.apache.org/jira/browse/SAMZA-727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15180637#comment-15180637
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Yi Pan (Data Infrastructure) commented on SAMZA-727:
----------------------------------------------------

[~steve_l], thanks for clarification! Appreciate it! [~capricornius], based on 
the above, I believe that if AM also refresh the HDFS delegation token and 
distribute it to containers, as long as AM is still alive, containers will be 
able to restart. The only problem is now that the initial HDFS delegation token 
in the launch context can not be refreshed in RM and when AM dies after that 
token expires, job will not be successfully re-launched. I think that it should 
be acceptable for now.

Thanks!

> 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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