bo_hai的专栏

plens.org/datasets/movielens/ 下载电影评分数据，查看一下README里面有对数据集的介绍。对数据进行预处理： cat u1.base | awk -F "\t" '{print $1"::"$2"::"$3"::"$4}' > ratings.dat cat u.item | awk -F "|" '{print $1"\t"$

ractice2/代码如下:import org.apache.spark.streaming.dstream.ReceiverInputDStreamimport org.apache.spark.{HashPartitioner, SparkConf}import org.apache.spark.streaming.kafka.KafkaUtilsimport org.apache.spark.streaming.{Duration, Seconds, StreamingConte

//maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.bohai</groupId> <artifactId>TestSB