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https://issues.apache.org/jira/browse/HADOOP-11406?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kengo Seki updated HADOOP-11406:
--------------------------------
    Attachment: HADOOP-11406.001.patch

[~aw] [~brahmareddy] According to POSIX standard, it seems difficult to know 
whether the error cause is lack of -P support or not, from status code or error 
message. So how about using for-loop instead of xargs? I attach a patch for 
review.

> xargs -P is not portable
> ------------------------
>
>                 Key: HADOOP-11406
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11406
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: scripts
>    Affects Versions: 3.0.0
>         Environment: Solaris
> Illumos
> AIX
> ... likely others
>            Reporter: Allen Wittenauer
>            Assignee: Brahma Reddy Battula
>            Priority: Critical
>         Attachments: HADOOP-11406.001.patch
>
>
> hadoop-functions.sh uses xargs -P in the ssh handler.  -P is a GNU extension 
> and is not available on all operating systems.  We should add some detection 
> for support and perform an appropriate action.



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