HDFS Application Development Process

All stages of the development process are shown and described in Figure 1 and Table 1.

Figure 1 HDFS development process

**Table 1** Description of HDFS development process
Stage	Description	Reference
Understand the basic concepts.	Before the application development, the basic concepts of HDFS are required to be understood.	HDFS Basic Concepts
Prepare the development and operating environment.	Use IntelliJ IDEA and configure the development environment based on the reference.The running environment of HDFS is the HDFS client. Install and configure the client based on the reference.	Preparing an HDFS Application Development and Runtime Environment
Prepare projects.	HDFS provides sample projects in various scenarios. Sample projects can be imported for studying.	Importing and Configuring HDFS Sample Projects
Develop projects based on scenarios.	Provide the sample project. This helps users to learn about the programming interfaces of all HDFS components quickly.	Developing an HDFS Application
Compile and run the application.	Users compile the developed application and deliver it for running based on the reference.	Commissioning an HDFS Application
Check the application running results.	Application running results are stored in the directory specified by users. Users can also check the running results through the UI.	Commissioning an HDFS Application

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