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https://issues.apache.org/jira/browse/SPARK-15815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-15815:
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Assignee: Apache Spark
> Hang while enable blacklistExecutor and DynamicExecutorAllocator
> -----------------------------------------------------------------
>
> Key: SPARK-15815
> URL: https://issues.apache.org/jira/browse/SPARK-15815
> Project: Spark
> Issue Type: Bug
> Components: Scheduler, Spark Core
> Affects Versions: 1.6.1
> Reporter: SuYan
> Assignee: Apache Spark
> Priority: Minor
>
> Enable BlacklistExecutor with some time large than 120s and enabled
> DynamicAllocate with minExecutors = 0
> 1. Assume there only left 1 task running in Executor A, and other Executor
> are all timeout.
> 2. the task failed, so task will not scheduled in current Executor A due to
> enable blacklistTime.
> 3. For ExecutorAllocateManager, it always request targetNumExecutor=1
> executors, due to we already have executor A, so the oldTargetNumExecutor ==
> targetNumExecutor = 1, so will never add more Executors...even if Executor A
> was timeout. it became endless request delta=0 executors.
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