valder fields

kafka、storm、zookeeper部署   1、 安装环境 zookeeper-3.4.8，apache-storm-0.9.3，jdk1.8.0_91，kafka_2.10-0.10.0.0 2、 配置kafka # The id of the broker. This must be set to a unique integer for each broker. ...

常用命令： val rdd1 = sc.parallelize(List(('a',1),('a',2))) val rdd = sc.textFile(“/usr/local/spark/tmp/char.data") rdd.count rdd.cache val word_count = rdd.flatMap(_.split(" ")).map((_,1))....