Common Concepts

Workflow definition file
Workflow definition files refer to XML files that describe service logic, including workflow.xml, coordinator.xml, and bundle.xml. Workflow definition files are parsed and executed by the Oozie engine.
Workflow property file
The workflow property file refers to the parameter configuration file named job.properties for workflow execution. Each workflow has only one property file.
keytab file
The keytab file is a key file that stores user information. In security mode, applications use the key file for API authentication.
Client
Users can access the server from the client through the Java API, Shell API, REST API, or WebUI to access the Oozie server. The client in this document includes the example code used for accessing Oozie through the Java API.