Apache Spark transformations like Spark reduceByKey, groupByKey, mapPartitions, map etc are very widely used. Apart from these...

Main menu: Spark Scala Tutorial In this blog you will learn, How Spark reads text file or any other external dataset. Referencing a...

Main menu: Spark Scala Tutorial In this blog you will learn, How to start spark-shell? Understanding Spark-shell. Creating Spark context...

Learn Apache Spark: Tutorial for Beginners - This Apache Spark tutorial documentation will introduce you to Apache Spark programming..

Apache Spark by default writes CSV file output in multiple parts-*.CSV, inside a directory. Reason is simple it creates multiple files...