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Posted to yarn-issues@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2013/08/30 03:25:52 UTC
[jira] [Updated] (YARN-1098) Separate out RM services into "Always
On" and "Active"
[ https://issues.apache.org/jira/browse/YARN-1098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Karthik Kambatla updated YARN-1098:
-----------------------------------
Summary: Separate out RM services into "Always On" and "Active" (was: Separate out stateless services from stateful services in the RM)
> 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-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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