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https://issues.apache.org/jira/browse/SPARK-14192?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15215273#comment-15215273
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meiyoula commented on SPARK-14192:
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The master branch of 2016/3/28
> Executor is dead in Driver but alive in AM when driver losts rpc with
> executor, but executor is alive.
> ------------------------------------------------------------------------------------------------------
>
> Key: SPARK-14192
> URL: https://issues.apache.org/jira/browse/SPARK-14192
> Project: Spark
> Issue Type: Bug
> Components: Scheduler
> Reporter: meiyoula
>
> reproduce steps:
> 1. start up spark-sql with: bin/spark-sql --master yarn --num-executors 1
> 2. lost driver and executor connection, but make sure executor is still alive
> 3. execute "show tables", the process will be stuck. Because the driver ask
> Am to allocate an executor, but AM see the executor is still alive, so don't
> allocate new one.
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