大数据第一轮复习笔记(2)
Spark
./spark-submit --class com.kgc.myspark01.WordCount --master yarn --deploy-mode cluster /opt/myspark01-1.0-SNAPSHOT.jar
1.Client向YARN的ResourceManager申请启动Application Master。Client中创建SparkContext同时初始化中将创建DAGScheduler和TASKScheduler等。<