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https://issues.apache.org/jira/browse/YARN-3668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14547424#comment-14547424
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Xuan Gong commented on YARN-3668:
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bq. If am crashed and reaches am max fail times, applications are killed. If we
set am max fail times to a big one or unlimit am max fail times, RM may have
too many AppAttempt to store in memory and RMStateStore,
YARN-611 and YARN-614 are not enough to cover the cases you described ?
> Long run service shouldn't be killed even if Yarn crashed
> ---------------------------------------------------------
>
> Key: YARN-3668
> URL: https://issues.apache.org/jira/browse/YARN-3668
> Project: Hadoop YARN
> Issue Type: Wish
> Reporter: sandflee
>
> For long running service, it shouldn't be killed even if all yarn component
> crashed, with RM work preserving and NM restart, yarn could take over
> applications again.
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