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From "Takashi Ohnishi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10298) Document the usage of distcp -diff option
Date Sun, 17 Apr 2016 14:29:25 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15244677#comment-15244677
] 

Takashi Ohnishi commented on HDFS-10298:
----------------------------------------

Hi!

I have created a patch for this.
In the attached patch, I have added the notation about arguments for -diff option and the
preconditions for this feature which are mentioned in the top comments in DistCpSync.java.

> Document the usage of distcp -diff option
> -----------------------------------------
>
>                 Key: HDFS-10298
>                 URL: https://issues.apache.org/jira/browse/HDFS-10298
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: distcp, documentation
>    Affects Versions: 2.8.0
>            Reporter: Akira AJISAKA
>         Attachments: HDFS-10298.1.patch
>
>
> Distcp -diff options is currently documented as "Use snapshot diff report to identify
the difference between source and target.", but the usage is not documented.



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