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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4097) provide CLI support for create/delete/list snapshots
Date Tue, 23 Oct 2012 15:01:14 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13482383#comment-13482383

Suresh Srinivas commented on HDFS-4097:

bq. AFAIK most file systems only allow admins to manage snapshots.
That is true. Would we expect a user or an application to contact administrator to take a
snapshot on demand? That is the reason currently admins can allow snapshots for directories.
Users can take snapshots.

As regards to the directory and underlying directories, in the first cut the user taking snapshot
must have write permission. (Though allowing snapshot to be taken with read permission does
not seem to be a bad idea. But this is something that we could visit later as well). Note
that this particular jira is just adding CLI and the snapshot functionality is left as TODO.

> provide CLI support for create/delete/list snapshots
> ----------------------------------------------------
>                 Key: HDFS-4097
>                 URL: https://issues.apache.org/jira/browse/HDFS-4097
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs client, name-node
>    Affects Versions: Snapshot (HDFS-2802)
>            Reporter: Brandon Li
>            Assignee: Brandon Li
>              Labels: needs-test
>         Attachments: HDFS-4097.patch, HDFS-4097.patch
> provide CLI support for create/delete/list snapshots

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