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https://issues.apache.org/jira/browse/HADOOP-8234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13246684#comment-13246684
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Bikas Saha commented on HADOOP-8234:
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Hadoop has a GroupMappingServiceProvider interface that is used to get group
mappings. The commonly used real implementation of that interface is a Shell
based mapper that executes shell commands to obtain this information. There has
been some work on LDAP and Active Directory based mappers in the community. The
Shell based mapper can be made to work on Windows in the following ways
1) Map every user to the same group, say “HadoopUsers”. Currently, this is
what has been hard coded and it could be changed to be a configurable group
name.
2) Use Windows commands like “net user” to provide the group membership of
a given user. This provides both local group memberships and global group
memberships. I propose we use this method since it’s a natural extension of the
existing feature. It also leverages built-in support on Windows for gathering
such information.
> Enable user group mappings on Windows
> -------------------------------------
>
> Key: HADOOP-8234
> URL: https://issues.apache.org/jira/browse/HADOOP-8234
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: native
> Affects Versions: 1.0.0
> Reporter: Bikas Saha
> Assignee: Bikas Saha
>
> The initial patch submitted is missing mapping of users to groups. A number
> of test failures are related to this. The jira tracks adding this support.
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