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https://issues.apache.org/jira/browse/MAPREDUCE-7287?focusedWorklogId=587080&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-587080
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ASF GitHub Bot logged work on MAPREDUCE-7287:
---------------------------------------------

                Author: ASF GitHub Bot
            Created on: 22/Apr/21 06:47
            Start Date: 22/Apr/21 06:47
    Worklog Time Spent: 10m 
      Work Description: hadoop-yetus commented on pull request #2852:
URL: https://github.com/apache/hadoop/pull/2852#issuecomment-824585598


   :confetti_ball: **+1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
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   |||| _ Prechecks _ |
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   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain 
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   | +1 :green_heart: |  test4tests  |   0m  0s |  |  The patch appears to 
include 2 new or modified test files.  |
   |||| _ trunk Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |  40m 51s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |   0m 28s |  |  trunk passed with JDK 
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Private Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08  |
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   |||| _ Patch Compile Tests _ |
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   | +1 :green_heart: |  shadedclient  |  16m  6s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |  44m 41s |  |  hadoop-distcp in the patch 
passed.  |
   | +1 :green_heart: |  asflicense  |   0m 30s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   | 127m 28s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.41 ServerAPI=1.41 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2852/3/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/2852 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient spotbugs checkstyle codespell |
   | uname | Linux 8b3f9314f8be 4.15.0-136-generic #140-Ubuntu SMP Thu Jan 28 
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   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
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Build-1.8.0_282-8u282-b08-0ubuntu1~20.04-b08 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2852/3/testReport/ |
   | Max. process+thread count | 519 (vs. ulimit of 5500) |
   | modules | C: hadoop-tools/hadoop-distcp U: hadoop-tools/hadoop-distcp |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-2852/3/console |
   | versions | git=2.25.1 maven=3.6.3 spotbugs=4.2.2 |
   | Powered by | Apache Yetus 0.14.0-SNAPSHOT https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   


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

    Worklog Id:     (was: 587080)
    Time Spent: 1.5h  (was: 1h 20m)

> 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: 1.5h
>  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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