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