Steve Loughran updated YARN-3067:
    Summary: Read-only REST API for System Configuration  (was: REST API for 
System Configuration)

> Read-only REST API for System Configuration
> -------------------------------------------
>                 Key: YARN-3067
>                 URL: https://issues.apache.org/jira/browse/YARN-3067
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: api, client
>    Affects Versions: 2.6.0
>         Environment: REST API
>            Reporter: Doug Haigh
> While the name node exposes its configuration via <nn_host>:<nn_port>/conf 
> and resource manager exposes its configuration via <rm_host>:<rm_port>/conf, 
> neither provide a complete picture of the system's configuration for 
> applications that use the YARN REST API.
> This JIRA is to request a REST API to get all services' configuration 
> information whether it is stored in the resource manager or something 
> external like zookeeper. Essentially this would return information similar to 
> what <nn>/conf and <rm>/conf return, but be guaranteed to have all 
> information so that a REST API user would not require Hadoop configuration 
> files to know how services are setup.

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