Application Development Process
Kafka client roles include Producer and Consumer, which share the same application development process.
Figure 1 and Table 1 show each phase of the development process.
| Phase | Description | Reference |
|---|---|---|
| Understand basic concepts. | Before developing an application, learn basic concepts of Kafka, and determine whether the desired role is Producer or Consumer based on the actual scenario. | |
| Prepare the development environment. | The Java language is recommended for the development of Kafka client applications, and Maven is recommended for constructing projects. | |
| Prepare the operating environment. | The running environment of the Kafka sample application consists of nodes of the VPC cluster where the MRS service is deployed. | - |
| Prepare a project. | Kafka provides sample projects for different scenarios. You can download a sample project for learning. You can also create a Kafka project according to the guide. | |
| Develop a project based on the scenario. | Producer and Consumer API usage samples are provided and cover old APIs, new APIs, and multi-thread usage scenarios, helping you quickly know Kafka APIs well. | |
| Compile and run an application. | Compile and Compress a developed application. Then upload it to a Linux node in the VPC cluster for running. | |
| View application running results. | Application running results can be output to the Linux CLI page. You can also use a Linux client to consume the topic data to check whether the application running results are successfully written. |
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