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From "Wei-Chiu Chuang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-13190) LoadBalancingKMSClientProvider should be documented
Date Sat, 21 May 2016 04:11:14 GMT
Wei-Chiu Chuang created HADOOP-13190:

             Summary: LoadBalancingKMSClientProvider should be documented
                 Key: HADOOP-13190
                 URL: https://issues.apache.org/jira/browse/HADOOP-13190
             Project: Hadoop Common
          Issue Type: Improvement
          Components: documentation, kms
    Affects Versions: 2.7.0
            Reporter: Wei-Chiu Chuang
            Assignee: Wei-Chiu Chuang

Currently, there are two ways to achieve KMS HA.

The first one, and the only documented one, is running multiple KMS instances behind a load
balancer. https://hadoop.apache.org/docs/stable/hadoop-kms/index.html

The other way, is make use of LoadBalancingKMSClientProvider which is added in HADOOP-11620.
However the usage is undocumented.

I think we should update the KMS document to introduce LoadBalancingKMSClientProvider, provide
examples, and also update kms-site.xml to explain it.

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