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https://issues.apache.org/jira/browse/HDFS-4141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE updated HDFS-4141:
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Attachment: h4141_20121101.patch
h4141_20121101.patch: implements directory diff.
> 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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