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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-12838) Add metrics for LDAP group mapping resolution time
Date Wed, 24 Feb 2016 19:17:18 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-12838?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wei-Chiu Chuang updated HADOOP-12838:
-------------------------------------
    Description: 
LDAP group mapping needs to communicate with a LDAP server. Sometime it takes extremely long
time to communicate and resolve group mapping. As a result, system performance 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.

  was:
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.


> 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
>              Labels: LDAP, metrics, supportability
>
> LDAP group mapping needs to communicate with a LDAP server. Sometime it takes extremely
long time to communicate and resolve group mapping. As a result, system performance 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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