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