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From "Xiaoyu Yao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11057) checknative command to probe for winutils.exe on windows
Date Tue, 09 Sep 2014 21:00:30 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14127541#comment-14127541
] 

Xiaoyu Yao commented on HADOOP-11057:
-------------------------------------

Patch tested on both Windows and Linux with native library exist/not-exist cases. 

> checknative command to probe for winutils.exe on windows
> --------------------------------------------------------
>
>                 Key: HADOOP-11057
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11057
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: native
>    Affects Versions: 2.5.0
>         Environment: windows
>            Reporter: Steve Loughran
>            Assignee: Xiaoyu Yao
>            Priority: Minor
>             Fix For: 2.4.1
>
>         Attachments: HADOOP-11057.0.patch, HADOOP-11057.1.patch, HADOOP-11057.2.patch
>
>
> hadoop's {{checknative}} command looks for native binaries and returns an error code
if one is missing.
> But it doesn't check for {{winutils.exe}} on windows, which turns out to be essential
for some operations. 
> Adding this check to the -a (or default) operation would allow the check to be used as
a health check on windows installations



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