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Posted to hdfs-issues@hadoop.apache.org by "Suresh Srinivas (JIRA)" <ji...@apache.org> on 2013/03/08 06:08:28 UTC

[jira] [Updated] (HDFS-2802) Support for RW/RO snapshots in HDFS

     [ https://issues.apache.org/jira/browse/HDFS-2802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Suresh Srinivas updated HDFS-2802:
----------------------------------

    Attachment: 2802.patch

Early version of the merge patch.
                
> Support for RW/RO snapshots in HDFS
> -----------------------------------
>
>                 Key: HDFS-2802
>                 URL: https://issues.apache.org/jira/browse/HDFS-2802
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: datanode, namenode
>            Reporter: Hari Mankude
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: 2802.patch, HDFS-2802.20121101.patch, HDFS-2802-meeting-minutes-121101.txt, HDFSSnapshotsDesign.pdf, snap.patch, snapshot-design.pdf, snapshot-design.tex, snapshot-one-pager.pdf, Snapshots20121018.pdf, Snapshots20121030.pdf, Snapshots.pdf
>
>
> Snapshots are point in time images of parts of the filesystem or the entire filesystem. Snapshots can be a read-only or a read-write point in time copy of the filesystem. There are several use cases for snapshots in HDFS. I will post a detailed write-up soon with with more information.

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