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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2019) Retrospect on decision of making RM crashed if any exception throw in ZKRMStateStore
Date Mon, 05 May 2014 23:50:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-2019?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13990108#comment-13990108
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Karthik Kambatla commented on YARN-2019:
----------------------------------------

[~djp] - any particular ideas on how this should behave? 

> Retrospect on decision of making RM crashed if any exception throw in ZKRMStateStore
> ------------------------------------------------------------------------------------
>
>                 Key: YARN-2019
>                 URL: https://issues.apache.org/jira/browse/YARN-2019
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Junping Du
>            Priority: Critical
>              Labels: ha
>         Attachments: YARN-2019.1-wip.patch
>
>
> Currently, if any abnormal happens in ZKRMStateStore, it will throw a fetal exception
to crash RM down. As shown in YARN-1924, it could due to RM HA internal bug itself, but not
fatal exception. We should retrospect some decision here as HA feature is designed to protect
key component but not disturb it.



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