I have used CDH 5.12 for installation. By default it installs Spark 1.6.0. Can I upgrade Spark by downloading and manual installation ? What are the recommended steps one need to perform ?
In general both Cloudera & Hortonwork supports two different services for Spark 1.x and 2.x
so you don't need to upgrade your spark 1.x, instead you can install spark 2.x as a new service
Pls refer this link for more details