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https://issues.apache.org/jira/browse/HDFS-3695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13486591#comment-13486591
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Uma Maheswara Rao G commented on HDFS-3695:
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+1 on ported patch. I have just committed the same to branch-2. Committed
revision 1403600.
> 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, 2.0.3-alpha
>
> Attachments: 0002-HDFS-3695-for-branch-2.patch, 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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