Chapter 2. Prerequisites

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

Table 2.1. Prerequisites for Running Spark 1.4.1

Prerequisite	Description
HDP Cluster Stack Version	2.3.2 or later
(Optional) Ambari Version	2.1.0.0 or later
Software dependencies	Spark requires HDFS and YARN PySpark requires Python to be installed on all nodes SparkR (tech preview) requires R binaries to be installed on all nodes

	Note
	HDP 2.3.2 supports Spark 1.3.1 and Spark 1.4.1. When you upgrade your cluster to HDP 2.3.2, Spark is automatically upgraded to 1.4.1. If you wish to return to Spark 1.3.1, follow the Spark Manual Downgrade procedure in the HDP 2.3.2 release notes.

​Chapter 2. Prerequisites