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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 Wed, 15 Dec 2010 21:00:01 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-1538-1.txt

Decided not to attack the issue with the inequality - it turns out we're relying on this bug
for checkpoint import to work. I'll open a separate JIRA for that.

This patch applies on top of HDFS-1521

> 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: 0.22.0, 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>         Attachments: hdfs-1538-1.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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