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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4141) Directory diff in snapshots
Date Fri, 02 Nov 2012 07:12:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4141?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13489290#comment-13489290
] 

Suresh Srinivas commented on HDFS-4141:
---------------------------------------

BTW you use single line comment // followed by no space. It reads better with a space and
a lot of HDFS code uses that convention. Same way no space after for etc. For new code, you
may just want to use eclipse for format the code.
                
> Directory diff in snapshots
> ---------------------------
>
>                 Key: HDFS-4141
>                 URL: https://issues.apache.org/jira/browse/HDFS-4141
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: h4141_20121101.patch
>
>
> With snapshots, the same directory could have different states, e.g. different sets of
children, in different snapshots.  We implement a directory diff algorithm in this JIRA.

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