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Posted to common-issues@hadoop.apache.org by "Wei-Chiu Chuang (JIRA)" <ji...@apache.org> on 2016/02/24 19:59:18 UTC

[jira] [Created] (HADOOP-12838) Add metrics for LDAP group mapping resolution time

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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