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From "Jerry Chen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-11336) Native support of KMS High Availability
Date Wed, 26 Nov 2014 02:04:12 GMT
Jerry Chen created HADOOP-11336:
-----------------------------------

             Summary: Native support of KMS High Availability
                 Key: HADOOP-11336
                 URL: https://issues.apache.org/jira/browse/HADOOP-11336
             Project: Hadoop Common
          Issue Type: Improvement
          Components: kms
    Affects Versions: trunk-win
            Reporter: Jerry Chen


Currently, KMS supports multiple KMS instances behind a load balancer or VIP for scalability
and HA purposes. A lot of extra configurations and cares must be taken to make them work properly
as a single logical service.

Especially when Kerberos authentication is used, special care must be taken on the service
principles. (When KMS is used, strong authentication is very important to key security)

It would be ideal to provide a native solution in KMS server and KMS client to support KMS
high availability and scalability. This would make the deployment of HA and scalable KMS more
straightforward as well as saving the cost of a specific load balancer and maintenance.



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