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From "Suresh Srinivas (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3211) JournalProtocol changes required for introducing epoch and fencing
Date Fri, 06 Apr 2012 01:34:23 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3211?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas updated HDFS-3211:
----------------------------------

    Attachment: HDFS-3211.txt

Updated patch with fixes to test failure.
                
> JournalProtocol changes required for introducing epoch and fencing
> ------------------------------------------------------------------
>
>                 Key: HDFS-3211
>                 URL: https://issues.apache.org/jira/browse/HDFS-3211
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, name-node
>    Affects Versions: Shared journals (HDFS-3092)
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>         Attachments: HDFS-3211.txt, HDFS-3211.txt, HDFS-3211.txt, HDFS-3211.txt
>
>
> JournalProtocol changes to introduce epoch in every request. Adding new method fence
for fencing a JournalService. On BackupNode fence is a no-op. 

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