[jira] [Created] (YARN-5207) Web-Proxy should support multi-homed systems.

["Zephyr Guo (JIRA)" <ji...@apache.org>]

Zephyr Guo created YARN-5207:
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             Summary: Web-Proxy should support multi-homed systems.
                 Key: YARN-5207
                 URL: https://issues.apache.org/jira/browse/YARN-5207
             Project: Hadoop YARN
          Issue Type: New Feature
          Components: webapp
    Affects Versions: 3.0.0-alpha1
            Reporter: Zephyr Guo
             Fix For: 3.0.0-alpha1


{{WebAppProxyServlet}} use {{HttpClient}} to download URL for AppMaster.
{{HttpClient}} bind the local address according to {{yarn.web-proxy.address}}.{{HttpClient}} should use the independent address for following situation: 

There are two network cards.{{CardA}} for user to access cluster, {{CardB}} for cluster inner communication.User can only access {{Web-Proxy}} by {{CardA}}.
{{CardA}} can't ping {{CardB}}.
So we have to bind {{Web-Proxy}} to {{CardA}}, and then specify {{HttpClient}} use {{CardB}}.



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