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Posted to common-dev@hadoop.apache.org by "dhruba borthakur (JIRA)" <ji...@apache.org> on 2008/08/02 03:31:31 UTC

[jira] Updated: (HADOOP-3637) Support for snapshots

     [ https://issues.apache.org/jira/browse/HADOOP-3637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

dhruba borthakur updated HADOOP-3637:
-------------------------------------

    Attachment: Snapshots.pdf

This is a very very draft version of the design that I am thinking of. Early comments welcome. Some portions of the document might not yet be very readable and I am working on a few pictures to enhance readability.



> Support for snapshots
> ---------------------
>
>                 Key: HADOOP-3637
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3637
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: dfs
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>         Attachments: Snapshots.pdf
>
>
> Support HDFS snapshots. It should support creating snapshots without shutting down the file system. Snapshot creation should be lightweight and a typical system should be able to support a few thousands concurrent snapshots. There should be a way to surface (i.e. mount) a few of these snapshots simultaneously.

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