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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5043) For HdfsFileStatus, set default value of childrenNum to -1 instead of 0 to avoid confusing applications
Date Thu, 01 Aug 2013 02:29:52 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13725978#comment-13725978
] 

Tsz Wo (Nicholas), SZE commented on HDFS-5043:
----------------------------------------------

We should also merge this to branch-2.1-beta.  Then, this will be available in 2.1.1 (if we
cannot merge this to 2.1.0.)
                
> For HdfsFileStatus, set default value of childrenNum to -1 instead of 0 to avoid confusing
applications
> -------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-5043
>                 URL: https://issues.apache.org/jira/browse/HDFS-5043
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 3.0.0
>            Reporter: Brandon Li
>            Assignee: Brandon Li
>             Fix For: 3.0.0, 2.3.0
>
>         Attachments: HDFS-5043.patch, HDFS-5043.patch.2
>
>
> Per discussion in HDFS-4772, default value 0 can confuse application since it can't tell
that childNum is not supported by the server or the directory has no child.
> Use -1 instead to avoid this confusion.

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