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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2802) Support for RW/RO snapshots in HDFS
Date Fri, 10 May 2013 00:55:21 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13653447#comment-13653447

Suresh Srinivas commented on HDFS-2802:

bq. I have merged the HDFS-2802 HDFS Snapshot feature branch to trunk. Thanks, Jing, Suresh,
Brandon and Arpit!

Yay! A feature we have been working on for such a long time is complete!

Also thanks to Hari Mankude who started this work. Aaron and Todd for many reviews and comments
on the Jira.
> 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.diff, 2802.patch, 2802.patch, h2802_20130417.patch, h2802_20130422.patch,
h2802_20130423.patch, h2802_20130425.patch, h2802_20130426.patch, h2802_20130430b.patch, h2802_20130430.patch,
h2802_20130508.patch, h2802_20130509.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,
Snapshots20120429.pdf, Snapshots20121018.pdf, Snapshots20121030.pdf, Snapshots.pdf, snapshot-testplan.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

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