Spark Load CSV File into RDD
In this tutorial, I will explain how to load a CSV file into Spark RDD using a Scala example. Using the textFile() the method in SparkContext class we can read…
In this tutorial, I will explain how to load a CSV file into Spark RDD using a Scala example. Using the textFile() the method in SparkContext class we can read…
Spark core provides textFile() & wholeTextFiles() methods in SparkContext class which is used to read single and multiple text or csv files into a single Spark RDD. Using this method…
We often need to create empty RDD in Spark, and empty RDD can be created in several ways, for example, with partition, without partition, and with pair RDD. In this…
While working in Apache Spark with Scala, we often need to Convert Spark RDD to DataFrame and Dataset as these provide more advantages over RDD. For instance, DataFrame is a…
Spark RDD can be created in several ways using Scala & Pyspark languages, for example, It can be created by using sparkContext.parallelize(), from text file, from another RDD, DataFrame, and…
Let's see how to create Spark RDD using sparkContext.parallelize() method and using Spark shell and Scala example. Before we start let me explain what is RDD, Resilient Distributed Datasets (RDD)…