Application Development Process

Figure 1 and Table 1 describe the phases in the development process.

Figure 1 MapReduce application development process

**Table 1** Description of the MapReduce development process
Phase	Description	Reference
Understand basic concepts.	Before application development, learn basic concepts of MapReduce.	Basic Concepts
Prepare a development environment.	Use the Eclipse tool to configure the development environment according to the guide.	Preparing the Eclipse and JDK
Prepare an operating environment.	The MapReduce operating environment is a MapReduce client. Install and configure the client according to the guide.	Preparing a Linux Client Operating Environment
Obtain and import a sample project or create a new project.	MapReduce provides sample projects for different scenarios. You can import a sample project to learn the application. You can also create a MapReduce project according to the guide.	Obtaining and Importing a Sample Project
Develop a project based on the scenario.	MRS provides you with a sample project to help you quickly learn APIs of all MapReduce components.	MapReduce Statistics Sample Applications Sample Applications About Multi-Component Access from MapReduce
Compile and run applications.	You can compile the developed application and submit it for running.	Compiling and Running Applications
View application running results.	Application running results are exported to a path you specify. You can also view the application running status on the UI.	Viewing Commissioning Results