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From Navina Ramesh <>
Subject Re: Combine two web servlets in the AM?
Date Mon, 15 Jun 2015 18:39:34 GMT
+1 for adding to the documentation. I didnĀ¹t know about this difference.
This information is perhaps part of the JobCoordinator/CoordinatorStream
documentation - SAMZA-614?

On 6/15/15, 11:27 AM, "Yan Fang" <> wrote:

>All right. Sorry for bothering. I figured it
>out. ApplicationMasterRestServlet is for the RPC and
>ApplicationMasterWebServlet is for tracking. The AM dashboard is from the
>tracking url, not he RPC url. Maybe we should mention the RPC url in the
>doc as well, since not many people realize this.
>Fang, Yan
>On Fri, Jun 12, 2015 at 5:09 PM, Yan Fang <> wrote:
>> Hi guys,
>> I am looking at the code. Do we have any special reason that we want to
>> keep two web servlets in the AM? One is for the Rest, the other one is
>> the AM dashboard. Can we combine them together?
>> This can reduce some duplicated code. Because it's good to have the AM
>> dashboard also show the information from the coordinatorStream, which
>> actually has been done in the Rest servlet. I think this also reduces
>> resource usage, though the reduction maybe not very significant.
>> Cheers,
>> Fang, Yan

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