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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1318) Promote AdminService to an Always-On service and merge in RMHAProtocolService
Date Tue, 19 Nov 2013 05:55:26 GMT

    [ https://issues.apache.org/jira/browse/YARN-1318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13826230#comment-13826230
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Vinod Kumar Vavilapalli commented on YARN-1318:
-----------------------------------------------

Apologies, was busy all of last week and was off from work for the later part of it.

Patch doesn't seem to apply anymore.

Did a patch-file 'review' (not a fan of these), but quick comments:
 - Throw exception instead of logging when admin refresh* s on a standby?
 - RMContext was originally supposed to be read-only interface. We did have to add a few setters
to resolve circular dependencies, but I think it was a mistake to add the setters to the interface.
With this patch, it becomes worse. Can we atleast try to keep the interface read-only and
add all the setters in the implementation only?

> Promote AdminService to an Always-On service and merge in RMHAProtocolService
> -----------------------------------------------------------------------------
>
>                 Key: YARN-1318
>                 URL: https://issues.apache.org/jira/browse/YARN-1318
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: 2.3.0
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>            Priority: Blocker
>              Labels: ha
>         Attachments: yarn-1318-0.patch, yarn-1318-1.patch, yarn-1318-2.patch, yarn-1318-2.patch,
yarn-1318-3.patch
>
>
> Per discussion in YARN-1068, we want AdminService to handle HA-admin operations in addition
to the regular non-HA admin operations. To facilitate this, we need to move AdminService an
Always-On service. 



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