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https://issues.apache.org/jira/browse/HDFS-17052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17735705#comment-17735705
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ASF GitHub Bot commented on HDFS-17052:
---------------------------------------

hadoop-yetus commented on PR #5759:
URL: https://github.com/apache/hadoop/pull/5759#issuecomment-1600757341

   :broken_heart: **-1 overall**
   
   
   
   
   
   
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[/results-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5759/2/artifact/out/results-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt)
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[/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt](https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5759/2/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt)
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> Erasure coding reconstruction failed when num of storageType rack NOT enough
> ----------------------------------------------------------------------------
>
>                 Key: HDFS-17052
>                 URL: https://issues.apache.org/jira/browse/HDFS-17052
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ec
>    Affects Versions: 3.3.4
>            Reporter: Hualong Zhang
>            Assignee: Hualong Zhang
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: failed reconstruction ec in same rack-1.png, write ec in 
> same rack.png
>
>
> When writing EC data, if the number of racks matching the storageType is 
> insufficient, more than one block are allowed to be written to the same rack
> !write ec in same rack.png|width=962,height=604!
>  
>  
>  
> However, during EC block recovery, it is not possible to recover on the same 
> rack, which deviates from the expected behavior.
> !failed reconstruction ec in same rack-1.png|width=946,height=413!



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