Chapter 1. Setting up Oozie
Oozie is a workflow scheduler system to run Apache Hadoop jobs. Oozie Workflow jobs are Directed Acyclic Graphs (DAGs) of actions. More information on DAG can be found at https://en.wikipedia.org/wiki/Directed_acyclic_graph. Actions tell what to do in the job. Oozie supports running jobs of various types such as Java, Map-reduce, Pig, Hive, Sqoop, Spark, and Distcp. The output of one action can be consumed by the next action to create a chain sequence.
Oozie has client-server architecture, in which we install the server for storing the jobs and using client we submit our jobs to the server.
In this chapter, we will learn how to install Oozie for learning purpose and in production. For learning purposes, we will build ...
Get Apache Oozie Essentials now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
