hadoop,xiaoji,99 hadoop,mingyang,98 hadoop,susan,99 spark,xiaoli,98 spark,xiaohua,95 hive,lele,89 spark,zhangsan,99 hive,tim,97 hive,kebi,94 hive,mike,99 hadoop,xiaoming,96 hive,susan,96 spark,wenwen,97 hive,kimi,90 import org.apache.spark.rdd.RDD import org.apache.spark.sql.{DataFrame, SQLContext}