Wei-Chiu Chuang created HADOOP-12793:
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Summary: Write a better tutorial for LdapGroupsMapping in HDFS
Permissions Guide
Key: HADOOP-12793
URL: https://issues.apache.org/jira/browse/HADOOP-12793
Project: Hadoop Common
Issue Type: Improvement
Affects Versions: 2.7.2
Reporter: Wei-Chiu Chuang
Assignee: Wei-Chiu Chuang
LdapGroupsMapping has lots of configurable properties and is thus fairly
complex in nature. _HDFS Permissions Guide_ has a minimal introduction to
LdapGroupsMapping, with reference to "More information on configuring the group
mapping service is available in the Javadocs."
However, its Javadoc provides no information about how to configure it.
Core-default.xml has description for each property, but still lacks a
comprehensive tutorial.
Both Cloudera and HortonWorks has some information regarding LDAP group mapping:
http://www.cloudera.com/documentation/enterprise/latest/topics/cm_sg_ldap_grp_mappings.html
http://hortonworks.com/blog/hadoop-groupmapping-ldap-integration/
But both do not cover all configurable features, such as using SSL with LDAP,
and POSIX group semantics.
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