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https://issues.apache.org/jira/browse/YARN-1307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13821489#comment-13821489
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Karthik Kambatla commented on YARN-1307:
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Went through the patch superficially. Looks reasonable to me. Also, doesn't
look like YARN-1222 would affect it in any major way, might have to rebase the
patch on top.
[~ozawa] - can you take a look at the latest patch on YARN-1222 and see if
anything interferes with the patch here? Thanks.
> Rethink znode structure for RM HA
> ---------------------------------
>
> Key: YARN-1307
> URL: https://issues.apache.org/jira/browse/YARN-1307
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Tsuyoshi OZAWA
> Assignee: Tsuyoshi OZAWA
> Attachments: YARN-1307.1.patch, YARN-1307.2.patch, YARN-1307.3.patch,
> YARN-1307.4-2.patch, YARN-1307.4-3.patch, YARN-1307.4.patch, YARN-1307.5.patch
>
>
> Rethink for znode structure for RM HA is proposed in some JIRAs(YARN-659,
> YARN-1222). The motivation of this JIRA is quoted from Bikas' comment in
> YARN-1222:
> {quote}
> We should move to creating a node hierarchy for apps such that all znodes for
> an app are stored under an app znode instead of the app root znode. This will
> help in removeApplication and also in scaling better on ZK. The earlier code
> was written this way to ensure create/delete happens under a root znode for
> fencing. But given that we have moved to multi-operations globally, this isnt
> required anymore.
> {quote}
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