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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7417) Hadoop Management System (Umbrella)
Date Mon, 27 Jun 2011 18:59:47 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13055698#comment-13055698

Eric Yang commented on HADOOP-7417:

bq. This would be much more interesting and useful if it was self-contained. A configuration
management system that needs a configuration management system to install sort of defeats
the purpose. All of the great ones require a minuscule amount of stub in place before they
can install themselves. I don't see that happening here.

There is a difference between configuration management system and package management system.
 The statements above are mixing package management with configuration management.  For package
management system, HMS can tap into existing package management system provided by the OS.
 HMS also supports tarball deployment, and role based software stack installation.  Hence,
it does not require a package management system to operate, if the customer choose to use
tarball only.  

In the base OS, there is nothing manages configuration files for Hadoop.  Configuration management
is usually operate through template and scripting.  Operation can use puppet to configure
the system, and commit the configuration files to source tree repository.  Chef uses MangoDB
to store states.  HMS tracks the configuration history and store the state changes in Zookeeper.

For both package and config management, there are strong cases to use HMS than generic deployment
system because HMS can provide better deployment experience and improve deployment efficiency.

> Hadoop Management System (Umbrella)
> -----------------------------------
>                 Key: HADOOP-7417
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7417
>             Project: Hadoop Common
>          Issue Type: New Feature
>         Environment: Java 6, Linux
>            Reporter: Eric Yang
>            Assignee: Eric Yang
> The primary goal of Hadoop Management System is to build a component around management
and deployment of Hadoop related projects. This includes software installation, configuration,
application orchestration, deployment automation and monitoring Hadoop.
> Prototype demo source code can be obtained from:
> http://github.com/macroadster/hms

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