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https://issues.apache.org/jira/browse/YARN-10775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17550347#comment-17550347
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fanshilun edited comment on YARN-10775 at 6/6/22 8:44 AM:
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[~zhengchenyu] , I probably understand what you mean. It seems reasonable, but
I still have the question just now. If subcluser or router is added, all
proxyservers in the cluster need to be restarted. Is this design a bit heavy?
Also, I don't think there is any need to improve rm's proxyserver. Can't these
operations be done directly on the router? If it is done on the router, no
matter whether the router increases or the rm increases, there will be no
particularly large cost.
Or explain it this way, I feel that the proxyserver of rm should not know the
information of other rms.
Thank you so much for the design, it made me think a lot, it was very helpful!
was (Author: slfan1989):
[~zhengchenyu] , I probably understand what you mean. It seems reasonable, but
I still have the question just now. If subcluser or router is added, all
proxyservers in the cluster need to be restarted. Is this design a bit heavy?
Also, I don't think there is any need to improve rm's proxyserver. Can't these
operations be done directly on the router? If it is done on the router, no
matter whether the router increases or the rm increases, there will be no
particularly large cost.
Or explain it this way, I feel that the proxyserver of rm should not know the
information of other rms
> Federation: YARN running app web can't be unable to connect, because
> AppMaster can't redirect to the right address.
> --------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-10775
> URL: https://issues.apache.org/jira/browse/YARN-10775
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: zhengchenyu
> Assignee: zhengchenyu
> Priority: Major
> Attachments: YARN-10775-design-doc.001.pdf
>
>
> I setup a yarn federation cluster, I can't connect the running app web, but
> the completed and accepted app's web works.
> So I think need two step:
> (a) make proxy server support federation.
> (b) make router support proxy server.
> Though it is a not difficult problem, but not easy to describe the problem.
> So I submit a document YARN-10775-design-doc.001.pdf to explain this.
>
> If standalone proxyserver is enable, after step (a), the problem is solved.
> If standalone proxyserver is disable, after step (a) and (b), we use router
> as web proxy server, so we hide the cluster info for client, I think it is
> reasonable.
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