[jira] [Work started] (HADOOP-13102) Update GroupsMapping documentation to reflect the new changes

["Esther Kundin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-13102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HADOOP-13102 started by Esther Kundin.
----------------------------------------------
> Update GroupsMapping documentation to reflect the new changes
> -------------------------------------------------------------
>
>                 Key: HADOOP-13102
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13102
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: documentation
>    Affects Versions: 2.8.0
>            Reporter: Anu Engineer
>            Assignee: Esther Kundin
>             Fix For: 2.8.0
>
>
> We need to update this section in the groupsMapping.md
> {noformat}
> Line 84:
> The implementation does not attempt to resolve group hierarchies. Therefore, a user must be an explicit member of a group object
> in order to be considered a member.
> {noformat} 
> With changes in Hadoop-12291 this is no longer true since we will have the ability to walk the group hierarchies.
> We also should modify this line 
> {noformat}
> Line :  81
> It is possible to set a maximum time limit when searching and awaiting a result.
> Set `hadoop.security.group.mapping.ldap.directory.search.timeout` to 0 if infinite wait period is desired. Default is 10,000 milliseconds (10 seconds).
> {noformat}
> we might want to document how the new settings affects the timeout.
> and also add the new settings into this doc.
> {noformat}
>  <name>hadoop.security.group.mapping.ldap.search.group.hierarchy.levels</name>
> {noformat}



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