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https://issues.apache.org/jira/browse/HADOOP-6552?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Devaraj Das updated HADOOP-6552:
--------------------------------

    Attachment: 6552.patch

Patch for Y20. Not for commit here.

> KEYTAB_KERBEROS_OPTIONS in UserGroupInformation should have options for 
> automatic renewal of keytab based tickets
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-6552
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6552
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 0.22.0
>            Reporter: Devaraj Das
>            Assignee: Devaraj Das
>             Fix For: 0.22.0
>
>         Attachments: 6552.patch, 6552.patch
>
>
> KEYTAB_KERBEROS_OPTIONS in UserGroupInformation should have options for 
> automatic renewal of keytab based tickets. Specifically, renewTGT=true (and 
> useTicketCache=true), as documented in 
> http://java.sun.com/javase/6/docs/jre/api/security/jaas/spec/com/sun/security/auth/module/Krb5LoginModule.html

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