Tag: SparkContext

Relational SetTheory Tranformation
By: Date: August 12, 2017 Categories: Apache Spark Tags: , , , , , , , , , , , , , ,

Relation/Set Theory transformations We will be playing with this following program to understand the three important set theory based transformations. package com.mishudi.learn.spark.dataframe; import java.util.Arrays; import org.apache.spark.SparkConf; import org.apache.spark.api.java.JavaRDD; import org.apache.spark.api.java.JavaSparkContext; import org.apache.spark.sql.DataFrame; import org.apache.spark.sql.SQLContext; public class RelationalOrSetTheoryTransformations { public static void main(String[] args) { SparkConf sparkConf = new SparkConf().setAppName(“RelationalOrSetTheoryTransformations”); JavaSparkContext ctx = new JavaSparkContext(sparkConf); //…

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General Spark Transformations
By: Date: July 31, 2017 Categories: Apache Spark Tags: , , , , , , , , , ,

Apache Spark Transformations In this post we will be focussing on general Apache Spark transformation against RDDs. We will keep it simple but try to go as deep as we can. Download link is provided at the bottom for you to run the programs and try it with your input. Goal is to get familiar…

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