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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4138) BackupNode startup fails due to uninitialized edit log
Date Tue, 06 Nov 2012 23:02:14 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13491929#comment-13491929
] 

Konstantin Shvachko commented on HDFS-4138:
-------------------------------------------

I am on trunk, so don't need to apply extra patches.
Your patch is in the right direction. 
# If you could pass nsInfo without making it a member it would be really good. This is what
I meant it needs some rework. Not sure how to do it yet. If you have ideas please share.
# If you have edits initialized then you don't need the extra condition in getTransactionsSinceLastLogRoll().
                
> BackupNode startup fails due to uninitialized edit log
> ------------------------------------------------------
>
>                 Key: HDFS-4138
>                 URL: https://issues.apache.org/jira/browse/HDFS-4138
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha, name-node
>    Affects Versions: 2.0.3-alpha
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>         Attachments: hdfs-4138.patch, hdfs-4138.patch, hdfs-4138.patch, hdfs-4138.patch
>
>
> It was notices by TestBackupNode.testCheckpointNode failure. When a backup node is getting
started, it tries to enter active state and start common services. But when it fails to start
services and exits, which is caught by the exit util.

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