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https://issues.apache.org/jira/browse/HDFS-6271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13979325#comment-13979325
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Suresh Srinivas commented on HDFS-6271:
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bq. we should keep concetion consistent as webUI, which shows Standby, not 
backup, so It would be StandbyNodeJournalProtocol.
Standby and BackupNode are two completely different daemons. Please look at 
BackupNode.java code for details and contrast it with Standby which is a state 
of NameNode.

> Rename JournalProtocol to BackupNodeJournalProtocol
> ---------------------------------------------------
>
>                 Key: HDFS-6271
>                 URL: https://issues.apache.org/jira/browse/HDFS-6271
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Suresh Srinivas
>
> [~shv], as indicated in earlier comments, JournalProtocol is used only for 
> sending journal to backupnode .Renaming it would make it clear how the 
> protocol is being used and will not conflict with QuorumJournalProtocol.



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