Chapter 2. Prerequisites

Before installing Spark, make sure your cluster meets the following prerequisites.

Table 2.1. Prerequisites for running Spark 1.3.1

Prerequisite	Description
Cluster Stack Version	HDP 2.2.6 or later
(Optional) Ambari	Version 2.1 or later
Software dependencies	Spark requires HDFS and YARN PySpark requires Python to be installed on all nodes

	Note
	If you installed the tech preview, save any configuration changes you made to the tech preview environment. Install Spark, and then update the configuration with your changes.

​Chapter 2. Prerequisites