APP_USER=hadoop APP_GROUP=hadoop INSTALL_DIR=/mnt/lib/spark-jobserver LOG_DIR=/mnt/var/log/spark-jobserver PIDFILE=spark-jobserver.pid JOBSERVER_MEMORY=1G SPARK_VERSION=1.6.1 SPARK_HOME=/usr/lib/spark SPARK_CONF_DIR=/etc/spark/conf HADOOP_CONF_DIR=/etc/hadoop/conf YARN_CONF_DIR=/etc/hadoop/conf SCALA_VERSION=2.10.5