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Posted to common-issues@hadoop.apache.org by "Erik Steffl (JIRA)" <ji...@apache.org> on 2010/11/12 02:25:14 UTC

[jira] Updated: (HADOOP-6864) Provide a JNI-based implementation of ShellBasedUnixGroupsNetgroupMapping (implementation of GroupMappingServiceProvider)

     [ https://issues.apache.org/jira/browse/HADOOP-6864?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Erik Steffl updated HADOOP-6864:
--------------------------------

    Attachment: HADOOP-6884-0.22-1.patch

> Provide a JNI-based implementation of ShellBasedUnixGroupsNetgroupMapping (implementation of GroupMappingServiceProvider)
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-6864
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6864
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>            Reporter: Erik Steffl
>             Fix For: 0.22.0
>
>         Attachments: HADOOP-6864-0.20.1xx-1.patch, HADOOP-6864-0.20.1xx.patch, HADOOP-6884-0.22-1.patch
>
>
> The netgroups implementation of GroupMappingServiceProvider (see ShellBasedUnixGroupsNetgroupMapping.java) does a fork of a unix command to get the netgroups of a user. Since the group resolution happens in the servers, this might be costly. This jira aims at providing a JNI-based implementation for GroupMappingServiceProvider.
> Note that this is similar to what https://issues.apache.org/jira/browse/HADOOP-6818 does for implementation of GroupMappingServiceProvider that  supports only unix groups.

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