spark提交作业命令
./spark-submit --class c01_RDD --master spark://ubuntu:7077 --executor-memory 512M --total-executor-cores 2 /root/app/wc.jar hdfs://localhost:9000/test hdfs://localhost:9000/output
./spark-submit --class c01_RDD --master spark://ubuntu:7077 --executor-memory 512M --total-executor-cores 2 /root/app/wc.jar hdfs://localhost:9000/test hdfs://localhost:9000/output