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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-1538) Refactor more startup and image loading code out of FSImage
Date Tue, 29 Mar 2011 06:26:05 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HDFS-1538:
------------------------------

    Attachment: hdfs-1538-on-branch.txt

Attaching patch against HDFS-1073 branch

> Refactor more startup and image loading code out of FSImage
> -----------------------------------------------------------
>
>                 Key: HDFS-1538
>                 URL: https://issues.apache.org/jira/browse/HDFS-1538
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: Edit log branch (HDFS-1073)
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: Edit log branch (HDFS-1073)
>
>         Attachments: hdfs-1538-1.txt, hdfs-1538-2.txt, hdfs-1538-on-1521.txt, hdfs-1538-on-branch.txt,
hdfs-1538.txt
>
>
> For HDFS-1073, we need to be able to continue to load images in the old "fsimage/edits/edits.new"
layout for the purposes of upgrade.  But that code will be only for backwards compatibility,
and we want to be able to switch to new code for the new layout. This subtask is to separate
out much of that code into an interface which we can implement for both the old and new layouts.

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