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https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14544532#comment-14544532
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Ravi Prakash commented on YARN-1519:
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Thanks for the patch Eric and Radim. +1. lgtm. Will check in shortly
> check if sysconf is implemented before using it
> -----------------------------------------------
>
> Key: YARN-1519
> URL: https://issues.apache.org/jira/browse/YARN-1519
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 3.0.0, 2.3.0
> Reporter: Radim Kolar
> Assignee: Radim Kolar
> Labels: BB2015-05-TBR
> Attachments: YARN-1519.002.patch, YARN-1519.003.patch,
> nodemgr-sysconf.txt
>
>
> If sysconf value _SC_GETPW_R_SIZE_MAX is not implemented, it leads to
> segfault because invalid pointer gets passed to libc function.
> fix: enforce minimum value 1024, same method is used in hadoop-common native
> code.
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