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https://issues.apache.org/jira/browse/HDFS-16922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17688874#comment-17688874
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ASF GitHub Bot commented on HDFS-16922:
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hfutatzhanghb commented on PR #5398:
URL: https://github.com/apache/hadoop/pull/5398#issuecomment-1430888618

   > Requires a UT which can reproduce the said issue
   
   Hi, @ayushtkn ,  I have updated the description of this issue. please take a 
look~  thanks a lot.




> The logic of IncrementalBlockReportManager#addRDBI method may cause missing 
> blocks when cluster is busy.
> --------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-16922
>                 URL: https://issues.apache.org/jira/browse/HDFS-16922
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>            Reporter: ZhangHB
>            Priority: Major
>              Labels: pull-request-available
>
> The current logic of IncrementalBlockReportManager# addRDBI method could lead 
> to the missing blocks when datanodes in pipeline are I/O busy.



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