Chapter 2. Prerequisites

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

Table 2.1. Prerequisites for Running Spark

Prerequisite	Description
HDP Cluster Stack Version	2.4.2 or later
(Optional) Ambari Version	2.2.2 or later
Software dependencies	Spark requires HDFS and YARN PySpark requires Python to be installed on all nodes (Optional) The Spark Thrift Server requires Hive to be deployed on your cluster (Optional) For optimal performance with MLlib, consider installing the `netlib-java` library. SparkR (tech preview) requires R binaries to be installed on all nodes

	Note
	When you upgrade your cluster to HDP 2.4.2, Spark is automatically upgraded to version 1.6.1.

​Chapter 2. Prerequisites