第114课:Spark Streaming电商广告点击综合案例实战(测试版本)
第114课加强版:SparkStreaming+Kafka+createDirectStream+KafkaOffsetMonitor解决内幕
http://blog.csdn.net/duan_zhihua/article/details/52006054
整体架构
补充更正： 使用KafkaUtils.createDirectStream创建Spark Streaming输入数据来源input Stream，No receivers方式，没有使用zookeeper去存储offsets。
/** * Create an input stream that directly pulls messages from Kafka Brokers * without using any receiver. This stream can guarantee that each message * from Kafka is included in transformations exactly once (see points below). *
