Spark远程调试脚本：
#调试Master，在master节点的spark-env.sh中添加SPARK_MASTER_OPTS变量 export SPARK_MASTER_OPTS="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=10000" #启动Master sbin/start-master.sh #调试Worker，在worker节点的spark-env.sh中添加SPARK_WORKER_OPTS变量 export SPARK_WORKER_OPTS="-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=10001" #启动Worker sbin/start-slave.sh 1 spark://node-1.daxin.cn:7077 #调试spark-submit + app bin/spark-submit --class cn.daxin.spark.WordCount --master spark://node-1.daxin.cn:7077 --driver-java-options "-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=10002" /root/wc.jar hdfs://node-1.daxin.cn:9000/words.txt hdfs://node-1.daxin.cn:9000/out2 #调试spark-submit + app + executor bin/spark-submit --class cn.daxin.spark.WordCount --master spark://node-1.daxin.cn:7077 --conf "spark.executor.extraJavaOptions=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=10003" --driver-java-options "-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=10002" /root/wc.jar hdfs://node-1.daxin.cn:9000/words.txt hdfs://node-1.daxin.cn:9000/out2