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https://issues.apache.org/jira/browse/SPARK-16455?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15406375#comment-15406375
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Kay Ousterhout commented on SPARK-16455:
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Given that this feature is only needed for an internal feature that's not part
of the main Spark code, I don't think it makes sense to add additional
complexity to Spark to support it.
Also, isClusterAvailableForNewOffers is in a class that's private to Spark, so
it doesn't make sense to add this Spark-private method that's not used anywhere
in Spark.
I'd be in favor of closing this as "will not fix", unless others have reasons
they think this makes sense to add?
> 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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