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From "Lin Yiqun (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-10313) Distcp does not check the order of snapshot names passed to -diff
Date Wed, 20 Apr 2016 01:59:25 GMT

    [ https://issues.apache.org/jira/browse/HDFS-10313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15249114#comment-15249114
] 

Lin Yiqun commented on HDFS-10313:
----------------------------------

Hi, [~yzhangal], I will upload a initial patch later.

> Distcp does not check the order of snapshot names passed to -diff
> -----------------------------------------------------------------
>
>                 Key: HDFS-10313
>                 URL: https://issues.apache.org/jira/browse/HDFS-10313
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: distcp
>            Reporter: Yongjun Zhang
>            Assignee: Lin Yiqun
>
> This jira is to propose adding a check to distcp, when {{-diff s1 s2}} is passed, we
need to ensure that s2 is newer than s1, otherwise, abort with a informative error message.
> This is the result of my offline discussion with [~jingzhao] on HDFS-9820. Thanks Jing.



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