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https://issues.apache.org/jira/browse/YARN-6550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16111943#comment-16111943
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Allen Wittenauer commented on YARN-6550:
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bq. could there be any portability issues across bash versions?
Short answer: No, definitely not.
Long answer: Hmm... How long as grouping been supported? That's a great
question. After a bit research, some answers....
* Hadoop 3.x requires bash 3.2. Pushing aside the OSS BSDs (which don't ship
bash at all), that's old enough for Mac OS X, the only modern platform that
doesn't ship bash 4.x. To find something that shipped with older than bash
3.2, you'll need to go back to circa 2003 with Solaris 9.
* Shell command grouping is part of the earliest POSIX spec I can find. So
"real" Bourne definitely supports it.
* Bourne has supported it for a very long time according to unofficial sources.
(eg. O'Reilly's UNIX Power Tools book) and likely since near the beginning of
UNIX!
> Capture launch_container.sh logs
> --------------------------------
>
> Key: YARN-6550
> URL: https://issues.apache.org/jira/browse/YARN-6550
> Project: Hadoop YARN
> Issue Type: Sub-task
> Affects Versions: 3.0.0-beta1
> Reporter: Wangda Tan
> Assignee: Suma Shivaprasad
> Fix For: 3.0.0-beta1
>
> Attachments: YARN-6550.002.patch, YARN-6550.patch
>
>
> launch_container.sh which generated by NM will do a bunch of things (like
> create link, etc.) while launch a process. No logs captured until {{exec}} is
> called. We need capture all failures of launch_container.sh for easier
> troubleshooting.
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