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https://issues.apache.org/jira/browse/HDFS-1538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HDFS-1538:
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Attachment: hdfs-1538.txt
Now that HDFS-1521 has been committed, here's a patch for this against trunk.
> 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, hdfs-1538-2.txt, hdfs-1538-on-1521.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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