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https://issues.apache.org/jira/browse/HDFS-4131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13561860#comment-13561860
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Jing Zhao commented on HDFS-4131:
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Thanks for the comment Daryn! The above printout is just for testing use. And
in this jira, only some internal data structure and computation process have
been implemented. HDFS-4414 develops an API for users to get the diff report
between two snapshots, where a DiffReport is provided containing "a list of
objects containing the path and the snapshot state". And another separate jira
(will create later) will provide CLI and JMX support to present/format the diff.
> Add a tool to print the diff between two snapshots and diff of a snapshot
> from the current tree
> -----------------------------------------------------------------------------------------------
>
> Key: HDFS-4131
> URL: https://issues.apache.org/jira/browse/HDFS-4131
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Affects Versions: Snapshot (HDFS-2802)
> Reporter: Suresh Srinivas
> Assignee: Jing Zhao
> Attachments: HDFS-4131.001.patch, HDFS-4131.002.patch,
> HDFS-4131.003.patch
>
>
> This jira tracks tool to print diff between an two snapshots at a given path.
> The tool will also print the difference between the current directory and the
> given snapshot.
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