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https://issues.apache.org/jira/browse/SPARK-12447?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-12447:
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Assignee: Apache Spark
> Only update AM's internal state when executor is successfully launched by NM
> ----------------------------------------------------------------------------
>
> Key: SPARK-12447
> URL: https://issues.apache.org/jira/browse/SPARK-12447
> Project: Spark
> Issue Type: Bug
> Components: YARN
> Affects Versions: 1.6.0
> Reporter: Saisai Shao
> Assignee: Apache Spark
>
> Currently {{YarnAllocator}} will update its managed states like
> {{numExecutorsRunning}} after container is allocated but before executor are
> successfully launched.
> This happened when Spark configuration is wrong, which makes executor fail to
> launch, or NM lost when NMClient is communicated.
> In the current implementation, state will also be updated even executor is
> failed to launch, this will lead to incorrect state of AM. Also lingering
> container will only be release after timeout, this will introduce resource
> waste.
> So here we should update the states only after executor is correctly
> launched, otherwise we should release container ASAP to make it fail fast and
> retry.
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