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https://issues.apache.org/jira/browse/HADOOP-12947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15209494#comment-15209494
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Hudson commented on HADOOP-12947:
---------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #9493 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/9493/])
HADOOP-12947. Update documentation Hadoop Groups Mapping to add static (wang:
rev 938222b2e20791d6eb410e36f8fec3e1520e1078)
* hadoop-common-project/hadoop-common/src/site/markdown/GroupsMapping.md
> Update documentation Hadoop Groups Mapping to add static group mapping,
> negative cache
> --------------------------------------------------------------------------------------
>
> Key: HADOOP-12947
> URL: https://issues.apache.org/jira/browse/HADOOP-12947
> Project: Hadoop Common
> Issue Type: Improvement
> Components: documentation, security
> Affects Versions: 2.7.2
> Reporter: Wei-Chiu Chuang
> Assignee: Wei-Chiu Chuang
> Priority: Minor
> Fix For: 2.8.0
>
> Attachments: HADOOP-12947.001.patch
>
>
> After _Hadoop Group Mapping_ was written, I subsequently found a number of
> other things that should be added/updated:
> # static group mapping, statically map users to group names (HADOOP-10142)
> # negative cache, to avoid spamming NameNode with invalid user names
> (HADOOP-10755)
> # update query pattern for LDAP groups mapping if posix semantics is
> supported. (HADOOP-9477)
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