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Description

Overview

This document describes the application development process, sample projects, and code of components in the big data cluster. It also provides FAQs and development specifications for developers with Java development experience to develop applications.

Preparations

  • The cluster has been installed and is running properly.
  • You have a basic understanding of components in the big data cluster.
  • You have a basic understanding of Java.
  • You have learned about MRS development components and how to use the Elastic Cloud Server (ECS) on HUAWEI CLOUD.
  • You have a basic understanding about how to use Maven.

Methods for Obtaining Sample Projects

Based on the network environment and service deployment mode of the cluster, you can obtain the application development sample projects and code of the components as follows:

  • Obtaining from Huawei Mirrors

    Log in to GitHub to obtain the files related to the component sample projects. Download the dependency JAR files of the sample projects from Huawei Mirrors, and download the rest open source dependency JAR files from the Maven central repository.