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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4477) Secondary namenode may retain old tokens
Date Fri, 08 Feb 2013 16:21:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13574589#comment-13574589
] 

Daryn Sharp commented on HDFS-4477:
-----------------------------------

I'm updating for tokens and keys, and to handle startup discarding expired ones, and properly
using the interrupts lock.
                
> Secondary namenode may retain old tokens
> ----------------------------------------
>
>                 Key: HDFS-4477
>                 URL: https://issues.apache.org/jira/browse/HDFS-4477
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 0.23.0, 2.0.0-alpha, 3.0.0
>            Reporter: Kihwal Lee
>            Assignee: Daryn Sharp
>            Priority: Critical
>         Attachments: HDFS-4477.patch
>
>
> Upon inspection of a fsimage created by a secondary namenode, we've discovered it contains
very old tokens. These are probably the ones that were not explicitly canceled.  It may be
related to the optimization done to avoid loading fsimage from scratch every time checkpointing.

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