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From "Varun Vasudev (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-1755) Add support for web services to the WebApp proxy
Date Mon, 24 Feb 2014 18:59:20 GMT
Varun Vasudev created YARN-1755:

             Summary: Add support for web services to the WebApp proxy
                 Key: YARN-1755
                 URL: https://issues.apache.org/jira/browse/YARN-1755
             Project: Hadoop YARN
          Issue Type: Bug
            Reporter: Varun Vasudev

The RM currently has an inbuilt web proxy that is used to serve requests. The web proxy is
necessary for security reasons which are described on the Apache Hadoop website (http://hadoop.apache.org/docs/stable/hadoop-yarn/hadoop-yarn-site/WebApplicationProxy.html).
 The web application proxy is a part of YARN and can be configured to run as a standalone
proxy. Currently, the RM itself supports web services. Adding support for all the web service
calls in the web app proxy allows it to support failover and retry for all web services. The
changes involved are the following –
a.	Add support for web service calls to the RM web application proxy and have it make the
equivalent RPC calls.
b.	Add support for failover and retry to the web application proxy. We can refactor a lot
of the existing client code from the Yarn client.

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