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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3695) Genericize format() to non-file JournalManagers
Date Thu, 09 Aug 2012 22:15:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Todd Lipcon updated HDFS-3695:

    Target Version/s: 3.0.0  (was: QuorumJournalManager (HDFS-3077))
             Summary: Genericize format() to non-file JournalManagers  (was: Genericize format()
and initializeSharedEdits() to non-file JournalManagers)

Updating JIRA description, since this patch only addresses format(). initializeSharedEdits
will be addressed by HDFS-3765. Also updated target versions to 3.0, since this patch is against
trunk, not the branch (the BKJM folks would like it, too)
> Genericize format() to non-file JournalManagers
> -----------------------------------------------
>                 Key: HDFS-3695
>                 URL: https://issues.apache.org/jira/browse/HDFS-3695
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha, name-node
>    Affects Versions: QuorumJournalManager (HDFS-3077)
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 3.0.0
>         Attachments: hdfs-3695.txt, hdfs-3695.txt, hdfs-3695.txt
> Currently, the "namenode -format" and "namenode -initializeSharedEdits" commands do not
understand how to do anything with non-file-based shared storage. This affects both BookKeeperJournalManager
and QuorumJournalManager.
> This JIRA is to plumb through the formatting of edits directories using pluggable journal
manager implementations so that no separate step needs to be taken to format them -- the same
commands will work for NFS-based storage or one of the alternate implementations.

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