Re: 2 questions

[Steve Loughran <st...@hortonworks.com>]

On 31 October 2014 22:22, hsy541@gmail.com <hs...@gmail.com> wrote:

> Hi Steve,
> Thanks!
> But I'm confused when I looked at the code.
> What is RegistryRestResources? Looks like you can register your own REST
> API through this?  Is there an example of doing so?
>

read only .. they are things that the registry serves up for anything to
GET. We had something that took POST operations but it wouldn't get through


> The limit of YARN web server you were talking about is on the WebApp class?
>
>
no,

https://issues.apache.org/jira/browse/YARN-2031:

org.apache.hadoop.yarn.server.webproxy.amfilter.AmIpFilter redirects all
requests that dont come from the YARN proxy to go via the YARN proxy; it
sends a 302 "use get", not 307 "use the same verb"

The RMProxy doesn't support any verbs other than GET


https://issues.apache.org/jira/browse/YARN-2086



> So you can actually start an fully functional embedded jetty server in the
> AM and set the tracking url to this {amhost:port}?
>
>
oh, yes, that we do. Look in the SliderAppMaster to see where we set it up

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