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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1660) add the ability to set yarn.resourcemanager.hostname.rm-id instead of setting all the various host:port properties for RM
Date Fri, 07 Feb 2014 18:04:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-1660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13894787#comment-13894787
] 

Bikas Saha commented on YARN-1660:
----------------------------------

Its great that we are making these ease of use changes. But unfortunately, there are no comments/javadoc/example
configuration in the defaults files that is showing people how they can go about easily configuring
their RM's in different ways. I can try to read the code carefully and experiment with configs
to figure things out, but right now its not clear to me what is the minimal config I can use
to get started. On the other side of the spectrum, can I specify the exact hostname and port
for every service? Do I have to suffix it with RM id? Can I specify some specific ports and
leave the remaining hostname/ports to be filled in by the RM? Do I need to suffix those with
RM id?
I am sure this is common knowledge among the folks working on this but that may not hold for
everyone. Or it may just be that I am slow in understanding stuff this morning :P


> add the ability to set yarn.resourcemanager.hostname.rm-id instead of setting all the
various host:port properties for RM
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-1660
>                 URL: https://issues.apache.org/jira/browse/YARN-1660
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Arpit Gupta
>            Assignee: Xuan Gong
>             Fix For: 2.4.0
>
>         Attachments: YARN-1660.1.patch, YARN-1660.2.patch
>
>
> Currently the user has to specify all the various host:port properties for RM. We should
follow the pattern that we do for non HA setup where we can specify yarn.resourcemanager.hostname.rm-id
and the defaults are used for all other affected properties.



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