Weiwei Yang commented on YARN-5145:

Hello [~leftnoteasy]

If all configuration are set in yarn-site.xml, it is possible to retrieve them 
via http://RM:8088/conf. I am currently working on a JIRA to improve the way of 
getting configuration property via REST call, this would help this case. See 
more from HADOOP-13628. For example, load a property to UI code would simply 
call http://RM:8088/conf?name=yarn.property.name, it will return a json format 
response (when accept header is set to json).

> [YARN-3368] Move new YARN UI configuration to HADOOP_CONF_DIR
> -------------------------------------------------------------
>                 Key: YARN-5145
>                 URL: https://issues.apache.org/jira/browse/YARN-5145
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Wangda Tan
>            Assignee: Kai Sasaki
>         Attachments: YARN-5145-YARN-3368.01.patch
> Existing YARN UI configuration is under Hadoop package's directory: 
> $HADOOP_PREFIX/share/hadoop/yarn/webapps/, we should move it to 
> $HADOOP_CONF_DIR like other configurations.

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