[jira] [Created] (SPARK-9438) restarting leader zookeeper causes spark master to die when the spark master election is assigned to zookeeper

["Amir Rad (JIRA)" <ji...@apache.org>]

Amir Rad created SPARK-9438:
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             Summary: restarting leader zookeeper causes spark master to die when the spark master election is assigned to zookeeper
                 Key: SPARK-9438
                 URL: https://issues.apache.org/jira/browse/SPARK-9438
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 1.2.0
         Environment: Saprk 1.2.0 and Zookeeper version: 3.4.6-1569965
            Reporter: Amir Rad


When Spark Master Election is assigned to Zookeeper, restarting the leader Zookeeper causes the master spark to die. 

Steps to reproduce:
create a cluster of 3 spark nodes. 
set Spark-env to:
SPARK_LOCAL_DIRS="/home/sparkcde/data_spark/data"
SPARK_MASTER_OPTS="-Dspark.deploy.spreadOut=false"
SPARK_WORKER_DIR="/home/sparkcde/data_spark/worker"
SPARK_WORKER_OPTS="-Dspark.worker.cleanup.enabled=true"
SPARK_DAEMON_JAVA_OPTS="-Dspark.deploy.recoveryMode=ZOOKEEPER -Dspark.deploy.zookeeper.url=s1:2181,s2:2181,s3:2181"

Identify the spark master
identify the zookeeper leader. 
Stop zookeeper leader
check spark master: It is dead
start zookeeper leader
check spark master: still dead

If you continue the same pattern of stopping and starting zookeeper leader, eventually you will lose the whole spark cluster.




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