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Downloading Spark and Getting Started

Step 1 : Ensure if Java is installed

Before installing Spark, Java is a must have for your system. Following command will verify the version of Java-

$java -version

If Java is already installed on your system, you get to see the following output which is as follows:

java version "1.7.0_71"

Java(TM) SE Runtime Environment (build 1.7.0_71-b13)

Java HotSpot(TM) Client VM (build 25.0-b02, mixed mode)

If java is not installed on your system, then install it.

Step 2 : Ensure if Scala is installed

Installing Scala language is mandatory before installing Spark as it is important for implementation. Following command will verify the version of Scala –

Scala language is used to implement Spark. So verify the Scala installation by using following command.


$scala -version

If Scala application is already installed on your system, you get to see the following response on the screen as shown below:

Scala code runner version 2.11.6 — Copyright 2002-2013, LAMP/EPFL

If you don’t have Scala, then install it.

Step 3 : Download Scala

Download the latest version of Scala. We are currently using scala-2.11.6 version. After downloading, you will be able to find the Scala tar file in the download folder.

Download the current version of Scala where you can find its tar file in the downloads folder.

Step 4 : Install Scala

Follow the given steps to install Spark –

  • Extract the Scala tar file using following command –
$ tar xvf scala-2.11.6.tgz
  • Move Scala software files by using the following commands for moving the Scala software files, to its respective directory (/usr/local/scala).
$ su –


# cd /home/Hadoop/Downloads/

# mv scala-2.11.6 /usr/local/scala

# exit
  • Set PATH for Scala using following command –
$ export PATH = $PATH:/usr/local/scala/bin
  • It is very important to verify the installation of Scala once again.

$scala -version

If you have Scala, then it returns following response-

Scala code runner version 2.11.6 — Copyright 2002-2013, LAMP/EPFL


Step 5 : Downloading Apache Spark

After finishing with the installation of Java and Scala, Download the latest version of Spark by visiting following command –

spark-1.3.1-bin-hadoop2.6 version

After this you can find a Spark tar file in the download folder.

Step 6 : Installing Spark

Follow the below steps given below for installing Spark.

  • Extracting Spark tar file using following command –
$ tar xvf spark-1.3.1-bin-hadoop2.6.tgz
  • Move Spark software files to respective directory using following commands –


$ su –


# cd /home/Hadoop/Downloads/

# mv spark-1.3.1-bin-hadoop2.6 /usr/local/spark

# exit

  • Configure the environment for Spark

Add the following line to ~/.bashrc file which will add the location, where the spark software files are located to the PATH variable type.

export PATH = $PATH:/usr/local/spark/bin

Use the following below command for sourcing the ~/.bashrc file.

$ source ~/.bashrc


Step 7 : Verify the Installation of Spark application on your system

Following command will open Spark shell application version.


If spark is installed successfully then you will be getting the following output.

Spark assembly has been built with Hive, including Datanucleus jars on classpath

Using Spark’s default log4j profile: org/apache/spark/

15/06/04 15:25:22 INFO SecurityManager: Changing view acls to: hadoop

15/06/04 15:25:22 INFO SecurityManager: Changing modify acls to: hadoop

15/06/04 15:25:22 INFO SecurityManager: SecurityManager: authentication disabled;

ui acls disabled; users with view permissions: Set(hadoop); users with modify permissions: Set(hadoop)

15/06/04 15:25:22 INFO HttpServer: Starting HTTP Server

15/06/04 15:25:23 INFO Utils: Successfully started service naming ‘HTTP class server’ on port 43292.

Welcome to the Spark World

____              __

/ __/__  ___ _____/ /__

_\ \/ _ \/ _ `/ __/  ‘_/

/___/ .__/\_,_/_/ /_/\_\   version 1.4.0


Using Scala version 2.10.4 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_71)

Type in expressions to have them evaluated as requirement is raised:

Spark context will be available as sc


Initializing Spark in Python

from pyspark import SparkConf, SparkContext

conf = SparkConf().setMaster("local").setAppName("My App")

sc = SparkContext(conf = conf)

Initializing Spark in Scala

import org.apache.spark.SparkConf

import org.apache.spark.SparkContext

import org.apache.spark.SparkContext._

val conf = new SparkConf().setMaster("local").setAppName("My App")

val sc = new SparkContext(conf)

Initializing Spark in Java

import org.apache.spark.SparkConf;


SparkConf conf = new SparkConf().setMaster("local").setAppName("My App");

JavaSparkContext sc = new JavaSparkContext(conf);

These examples show the minimal way to initialize a SparkContext, where you pass two parameters:

  • A cluster URL, namely local in these examples, which tells Spark how to connect to a cluster. local is a special value that runs Spark on one thread on the local machine, without connecting to a cluster.
  • An application name, namely My App in these examples. This will identify your application on the cluster manager’s UI if you connect to a cluster.

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