By Key Ranking


#1

Originally published at: https://kaizen.itversity.com/topic/cca175-by-key-ranking-scala/

Let us get into details of By Key ranking Read data from HDFS Convert data into paired RDD using map Group data into key and array of values using groupByKey Apply flatMap and process the array of values to get data as per ranking requirements Group data – groupByKey Scala APIs to get top N…