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https://issues.apache.org/jira/browse/SPARK-20079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15944629#comment-15944629
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Saisai Shao commented on SPARK-20079:
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What is the specific symptom you met? I believe there's bunch of corner cases
regarding RPC back and forth in yarn-client + AM reattempt scenario, and
sometimes these scenarios are quite hard to fix, so usually I would suggest to
set max attempt to 1 in yarn client mode.
> Re registration of AM hangs spark cluster in yarn-client mode
> -------------------------------------------------------------
>
> Key: SPARK-20079
> URL: https://issues.apache.org/jira/browse/SPARK-20079
> Project: Spark
> Issue Type: Bug
> Components: YARN
> Affects Versions: 2.1.0
> Reporter: Guoqiang Li
>
> 1. Start cluster
> echo -e "sc.parallelize(1 to 2000).foreach(_ => Thread.sleep(1000))" |
> ./bin/spark-shell --master yarn-client --executor-cores 1 --conf
> spark.shuffle.service.enabled=true --conf
> spark.dynamicAllocation.enabled=true --conf
> spark.dynamicAllocation.maxExecutors=2
> 2. Kill the AM process when a stage is scheduled.
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