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https://issues.apache.org/jira/browse/YARN-5207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15326156#comment-15326156
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Zephyr Guo commented on YARN-5207:
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It should support HA. I will attach a new patch, it need several days.
> 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
>
> Attachments: YARN-5207-v1.patch
>
>
> {{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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