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https://issues.apache.org/jira/browse/HDFS-4127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13486393#comment-13486393
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Jing Zhao commented on HDFS-4127:
---------------------------------

Yeah I think that will be good. (And in that case the meaning of 
totalReplicasExpected will be "the total number of replicas expected by the 
system", not "the total number of extra replicas expected for the chooseTarget 
method".
                
> Log message is not correct in case of short of replica
> ------------------------------------------------------
>
>                 Key: HDFS-4127
>                 URL: https://issues.apache.org/jira/browse/HDFS-4127
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 1.0.4, 2.0.2-alpha
>            Reporter: Junping Du
>            Assignee: Junping Du
>            Priority: Minor
>         Attachments: HDFS-4127.patch
>
>
> For some reason that block cannot be placed with enough replica (like no 
> enough available data nodes), it will throw a warning with wrong number of 
> replica in short.

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