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https://issues.apache.org/jira/browse/HADOOP-4998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12784048#action_12784048
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Philip Zeyliger commented on HADOOP-4998:
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Figured I'd mention that Tomcat has some support for calling into APR:
Javadoc:
http://tomcat.apache.org/tomcat-6.0-doc/api/org/apache/tomcat/jni/package-tree.html
Google codesearch link:
http://www.google.com/codesearch/p?hl=en#cM_OVOKybvs/tomcat/tomcat-6/v6.0.10/src/apache-tomcat-6.0.10-src.zip|KNqCNnRERSg/apache-tomcat-6.0.10-src/java/org/apache/tomcat/jni/User.java&q=tomcat%20apr&d=10
> Implement a native OS runtime for Hadoop
> ----------------------------------------
>
> Key: HADOOP-4998
> URL: https://issues.apache.org/jira/browse/HADOOP-4998
> Project: Hadoop Common
> Issue Type: New Feature
> Components: native
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Fix For: 0.21.0
>
>
> It would be useful to implement a JNI-based runtime for Hadoop to get access
> to the native OS runtime. This would allow us to stop relying on exec'ing
> bash to get access to information such as user-groups, process limits etc.
> and for features such as chown/chgrp (org.apache.hadoop.util.Shell).
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