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From Sumit Mohanty <>
Subject Re: Ambari Service Configuration file Design
Date Thu, 19 Jun 2014 06:13:23 GMT
inline ...

On Wed, Jun 18, 2014 at 10:48 PM, 赵全超 <> wrote:

> There are some questions about Service Configuration:
> 1.      In Ambari Design,Service Configuration files eg,core-site.xml are
> not belonging to the service,but belonging to cluster,why ?
Its easier to manage a single active version of config for the whole
cluster or per host/host-group. Some of the config files are also shared
across services - as in multiple service types may refer to the same file.
Do you have scenarios where different services need different values for
the same config type?

> 2.      Ambari does not support non-XML configuration file types,so put
> these properties into global.xml,However, in global file,there are some
> properties from service config file. Are there rules that which
> configuration property should put in global file?
In general, global config type contains properties that cannot be
associated with site xml files (or yaml files that are supported now as
well). So you will find configurations for files, log/pid
directories, custom users, etc. in the global config. What sort of config
you have in mind?

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