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https://issues.apache.org/jira/browse/YARN-1618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13877582#comment-13877582
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Karthik Kambatla commented on YARN-1618:
----------------------------------------
Thanks Bikas. Looks like the transitions have been introduced in YARN-891.
{code}
+ .addTransition(RMAppState.NEW, RMAppState.FINAL_SAVING,
RMAppEventType.KILL,
+ new FinalSavingTransition(
+ new AppKilledTransition(), RMAppState.KILLED))
+ .addTransition(RMAppState.NEW, RMAppState.FINAL_SAVING,
+ RMAppEventType.APP_REJECTED,
+ new FinalSavingTransition(
+ new AppRejectedTransition(), RMAppState.FAILED))
{code}
> ZKRMStateStore fails to handle updates to znodes not yet created
> ----------------------------------------------------------------
>
> Key: YARN-1618
> URL: https://issues.apache.org/jira/browse/YARN-1618
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Affects Versions: 2.2.0
> Reporter: Karthik Kambatla
> Assignee: Karthik Kambatla
> Priority: Critical
> Attachments: yarn-1618-1.patch
>
>
> ZKRMStateStore fails to handle updates to znodes that don't exist. For
> instance, this can happen when an app transitions from NEW to FINAL_SAVING.
> In these cases, the store should create the missing znode and handle the
> update.
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