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Date: Tue, 30 Jul 2013 23:19:49 +0000 (UTC)
From: "Tsz Wo (Nicholas), SZE (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12660522.1375140779971.140519.1375226389058@arcas>
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Subject: [jira] [Updated] (HDFS-5043) For HdfsFileStatus, set default value
 of childrenNum to -1 instead of 0 to avoid confusing applications
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     [ https://issues.apache.org/jira/browse/HDFS-5043?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz Wo (Nicholas), SZE updated HDFS-5043:
-----------------------------------------

    Hadoop Flags: Reviewed

+1 patch looks good.
                
> 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
>         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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