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https://issues.apache.org/jira/browse/YARN-1098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13759681#comment-13759681
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Karthik Kambatla commented on YARN-1098:
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I posted patches for YARN-1027; diff on top of yarn-1098-3.patch -
https://issues.apache.org/jira/secure/attachment/12601736/yarn-1027-3.patch,
including this -
https://issues.apache.org/jira/secure/attachment/12601737/yarn-1027-including-yarn-1098-3.patch
Will look at the javadoc and test failures. Haven't included any additional
tests, because the patch doesn't change any behavior. The current tests should
catch any errors.
> Separate out RM services into "Always On" and "Active"
> ------------------------------------------------------
>
> Key: YARN-1098
> URL: https://issues.apache.org/jira/browse/YARN-1098
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Affects Versions: 2.1.0-beta
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Labels: ha
> Attachments: yarn-1098-1.patch, yarn-1098-2.patch, yarn-1098-3.patch,
> yarn-1098-approach.patch, yarn-1098-approach.patch
>
>
> From discussion on YARN-1027, it makes sense to separate out services that
> are stateful and stateless. The stateless services can run perennially
> irrespective of whether the RM is in Active/Standby state, while the stateful
> services need to be started on transitionToActive() and completely shutdown
> on transitionToStandby().
> The external-facing stateless services should respond to the client/AM/NM
> requests depending on whether the RM is Active/Standby.
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