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https://issues.apache.org/jira/browse/MAPREDUCE-7287?focusedWorklogId=592671&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-592671
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ASF GitHub Bot logged work on MAPREDUCE-7287:
---------------------------------------------

                Author: ASF GitHub Bot
            Created on: 04/May/21 11:14
            Start Date: 04/May/21 11:14
    Worklog Time Spent: 10m 
      Work Description: ayushtkn commented on pull request #2852:
URL: https://github.com/apache/hadoop/pull/2852#issuecomment-831863431


   @zhengchenyu can you add a test in ``AbstractContractDistCpTest `` as Steve 
suggested?
   In case you are facing any trouble doing so, or need some help, Let me know. 
This seems good enough to be included in 3.3.1 release


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 592671)
    Time Spent: 1h 40m  (was: 1.5h)

> Distcp will delete exists file ,  If we use "--delete and --update" options 
> and distcp file.
> --------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-7287
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7287
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: distcp
>    Affects Versions: 3.2.1
>            Reporter: zhengchenyu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.3.1
>
>         Attachments: MAPREDUCE-7287.001.patch
>
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> hdfs://ns1/tmp/a is an existing file, hdfs://ns2/tmp/a is also an existing 
> file.
> When I run this command, 
> {code:java}
> hadoop distcp -delete -update hdfs://ns1/tmp/a hdfs://ns2/tmp/a
> {code}
> I Found hdfs://ns2/tmp/a is deleted unpectectedly.



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