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https://issues.apache.org/jira/browse/YARN-1519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14536754#comment-14536754
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Eric Payne commented on YARN-1519:
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Hi [~raviprak]. Thank you for reviewing this issue.
{quote}
Nitpick: We don't set an upper limit for something we are going to malloc.
Earlier it was atleast limited to INT_MAX. Now its LONG_MAX. I'd rather keep
typecasting the long to int.
{quote}
[~hsn], do you want to make that change or should I?
> 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, 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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