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https://issues.apache.org/jira/browse/HADOOP-11406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14375020#comment-14375020
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Kengo Seki commented on HADOOP-11406:
-------------------------------------
More precisely, a parallelized for loop.
> 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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