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From "Pradeep Subrahmanion (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4275) Rest API to expose YARN CLASSPATH and other useful system properties
Date Mon, 19 Oct 2015 16:10:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-4275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14963536#comment-14963536
] 

Pradeep Subrahmanion commented on YARN-4275:
--------------------------------------------

New REST API introduced in this patch will return the default classpath if 'yarn.application.classpath'
 is not configured.
Does <rm-host>:8088/conf do the same ?. From one of the comments in issue YARN-2625,
it doesn't return default classpath.
 


> Rest API to expose YARN CLASSPATH and other useful system properties
> --------------------------------------------------------------------
>
>                 Key: YARN-4275
>                 URL: https://issues.apache.org/jira/browse/YARN-4275
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: api
>    Affects Versions: 2.5.0, 2.6.0
>            Reporter: Pradeep Subrahmanion
>         Attachments: YARN-4275-001.patch
>
>
> Currently to build AM request, the application client need to know about the YARN CLASSPATH.
Application client has no way to fetch the default CLASSPATH of YARN or yarn.application.classpath
property in yarn-site.xml through REST API.
> Introduce a new REST API to fetch yarn CLASSPATH and other system properties that may
be useful for those who implement REST client. 



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