安装教程 https://blog.csdn.net/pucao_cug/article/details/71698903
视频教程 https://www.bilibili.com/video/av33355384/
spark提交任务
bin/spark-submit --master spark://master1:7077 --class org.apache.spark.examples.SparkPi examples/jars/spark-examples_2.11-2.4.3.jar 1000