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https://issues.apache.org/jira/browse/SPARK-16455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15370828#comment-15370828
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Thomas Graves commented on SPARK-16455:
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| we are implementing a new mechanism which will let driver survive when
cluster is temporarily down
what is the jira you are doing this under? Curious on the details.
> Add a new hook in CoarseGrainedSchedulerBackend in order to stop scheduling
> new tasks when cluster is restarting
> ----------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-16455
> URL: https://issues.apache.org/jira/browse/SPARK-16455
> Project: Spark
> Issue Type: New Feature
> Components: Scheduler
> Reporter: YangyangLiu
> Priority: Minor
>
> In our case, we are implementing a new mechanism which will let driver
> survive when cluster is temporarily down and restarting. So when the service
> provided by cluster is not available, scheduler should stop scheduling new
> tasks. I added a hook inside CoarseGrainedSchedulerBackend class, in order to
> avoid new task scheduling when it's necessary.
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