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List:       hadoop-dev
Subject:    [jira] [Created] (HADOOP-11336) Native support of KMS High Availability
From:       "Jerry Chen (JIRA)" <jira () apache ! org>
Date:       2014-11-26 2:04:12
Message-ID: JIRA.12757876.1416967450000.21748.1416967452480 () Atlassian ! JIRA
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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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