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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-12838) Add metrics for LDAP group mapping resolution time
Date Wed, 24 Feb 2016 18:59:18 GMT
Wei-Chiu Chuang created HADOOP-12838:
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             Summary: Add metrics for LDAP group mapping resolution time
                 Key: HADOOP-12838
                 URL: https://issues.apache.org/jira/browse/HADOOP-12838
             Project: Hadoop Common
          Issue Type: Improvement
    Affects Versions: 2.8.0
            Reporter: Wei-Chiu Chuang
            Assignee: Wei-Chiu Chuang


LDAP group mapping needs to communicate with a LDAP server. Sometime it takes tremendous time
to communicate and resolve group mapping. As a result, system performs degrades and it is
not obvious why it goes worse without an in-depth investigation.

Let's add a Metrics for LDAP group mapping and log the resolution time to help debugging.



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