Junping Du commented on YARN-2019:

If so, I think we should at least differentiate RM and NM policies - user could 
be conservative to RM state store failure but be aggressive to NM state store 
failure. May be using "yarn.resourcemanager.fail-fast" here? Then we can use 
"yarn.nodemanager.fail-fast" later and may for other daemons (timeline service, 

> 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
>         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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