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https://issues.apache.org/jira/browse/HADOOP-8551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464761#comment-13464761
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Daryn Sharp commented on HADOOP-8551:
-------------------------------------
By adopting better posix compliance, there are a number of other "incompatible"
changes in the shell. Such as nothing auto-magically creates parent dirs
anymore. It was an oversight that mkdir did since the -p flag was there. It
seems like a minor change for users to add "-p", but that's just my $.02.
> fs -mkdir creates parent directories without the -p option
> ----------------------------------------------------------
>
> Key: HADOOP-8551
> URL: https://issues.apache.org/jira/browse/HADOOP-8551
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 0.23.3, 2.0.0-alpha, 3.0.0
> Reporter: Robert Joseph Evans
> Assignee: John George
> Fix For: 0.23.3, 2.0.2-alpha
>
> Attachments: HADOOP-8551.patch, HADOOP-8551.patch, HADOOP-8551.patch,
> HADOOP-8551.patch
>
>
> hadoop fs -mkdir foo/bar will work even if bar is not present. It should
> only work if -p is given and foo is not present.
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