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https://issues.apache.org/jira/browse/HDFS-2802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13486523#comment-13486523
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Suresh Srinivas commented on HDFS-2802:
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bq. Given repeated feedback about optimizations we are working on updating the
implementation and design. Earlier the goal was to get the inefficient but
correct first implementation with tests and have design review, followed by
optimization. Given the feedback so far, we will post updated design next week.
Possibly hold a design review in around two weeks.
So I prefer having this meeting later in the week of Nov 5th. Nov 1st and 2nd I
am out of town.
> 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: data-node, name-node
> Reporter: Hari Mankude
> Assignee: Hari Mankude
> Attachments: HDFSSnapshotsDesign.pdf, snap.patch,
> snapshot-one-pager.pdf, Snapshots20121018.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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