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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9698) Long running Balancer should renew TGT
Date Tue, 26 Jan 2016 19:55:40 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15117862#comment-15117862
] 

Andrew Wang commented on HDFS-9698:
-----------------------------------

Hey Zhe, overall idea seems good, though I wonder if there's a place we can do this closer
to the RPC? e.g. we do this in DFSClient or openConnection, pretty low down. 

Which call is it that hits the authentication error? I'm guessing it's one of the RPC proxies
in NameNodeConnector, but confirming will help us figure out where exactly to add this call.
If we have opportunities to use DFS rather than a raw RPC proxy, that'll also help address
this issue.

> Long running Balancer should renew TGT
> --------------------------------------
>
>                 Key: HDFS-9698
>                 URL: https://issues.apache.org/jira/browse/HDFS-9698
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: balancer & mover, security
>    Affects Versions: 2.6.3
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>         Attachments: HDFS-9698.00.patch
>
>
> When the {{Balancer}} runs beyond the configured TGT lifetime, the current logic won't
renew TGT.



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