You can now deploy new applications on your Amazon EMR cluster. Amazon EMR release 4.2.0 now offers Ganglia 3.6, an upgraded version of Apache Spark (1.5.2), and upgraded sandbox releases of Apache Oozie (4.2.0), Presto (0.125), and Apache Zeppelin (0.5.5). Ganglia provides resource utilization monitoring for Hadoop and Spark. Oozie 4.2.0 includes several new features, such as adding Spark actions and HiveServer2 actions in your Oozie workflows. Spark 1.5.2, Presto 0.125, and Zeppelin 0.5.5 are maintenance releases, and contain bug fixes and other optimizations.
You can create an Amazon EMR cluster with release 4.2.0 by choosing release label “emr-4.2.0” from the AWS Management Console, AWS CLI, or SDK. You can specify Ganglia, Spark, Oozie-Sandbox, Presto-Sandbox, and Zeppelin-Sandbox to install these applications on your cluster. To view metrics in Ganglia or create a Zeppelin notebook, you can connect to the web-based UIs for these applications on the master node of your cluster. Please visit the Amazon EMR documentation for more information about Ganglia 3.6, Spark 1.5.2, Oozie 4.2.0, Presto 0.125, and Zeppelin 0.5.5.