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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4233) NN keeps serving even after no journals started while rolling edit
Date Fri, 30 Nov 2012 04:26:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13507083#comment-13507083
] 

Kihwal Lee commented on HDFS-4233:
----------------------------------

After HADOOP-9108, the subsequent test cases no longer fail.
                
> NN keeps serving even after no journals started while rolling edit
> ------------------------------------------------------------------
>
>                 Key: HDFS-4233
>                 URL: https://issues.apache.org/jira/browse/HDFS-4233
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 0.23.5
>            Reporter: Kihwal Lee
>            Priority: Blocker
>         Attachments: hdfs-4233.branch-0.23.patch, hdfs-4233.branch-0.23.patch, hdfs-4233-branch-0.23-quick-death.patch
>
>
> We've seen namenode keeps serving even after rollEditLog() failure. Instead of taking
a corrective action or regard this condition as FATAL, it keeps on serving and modifying its
file system state. No logs are written from this point, so if the namenode is restarted, there
will be data loss.

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