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From "Xuan Gong (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2019) Retrospect on decision of making RM crashed if any exception throw in ZKRMStateStore
Date Tue, 08 Sep 2015 00:36:47 GMT

     [ https://issues.apache.org/jira/browse/YARN-2019?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xuan Gong updated YARN-2019:
----------------------------
    Fix Version/s: 2.6.2
                   2.7.2

> 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
>            Assignee: Jian He
>            Priority: Critical
>              Labels: ha
>             Fix For: 2.8.0, 2.7.2, 2.6.2
>
>         Attachments: YARN-2019.1-wip.patch, YARN-2019.patch, YARN-2019.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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