文章目錄

• • 目的
  • 概念和流程
  • • • • yarn運行機制
        • 1. 起yarn client
        • 2. 起app master
        • 3. Reference

目的

提交一個自定義的任務到Yarn上

概念和流程

yarn運行機制

1. 起yarn client

// 1.創建yarn client YarnClientApplication app = yarnClient.createApplication(); // 2.配置 app.getApplicationSubmissionContext().setApplicationName( "truman.ApplicationMaster"); app.getApplicationSubmissionContext().setResource(Resource.newInstance(100, 1)); app.getApplicationSubmissionContext().setPriority(Priority.newInstance(0)); app.getApplicationSubmissionContext().setQueue("default"); app.getApplicationSubmissionContext().setAMContainerSpec(amContainer); // 3.提交應用到rm ApplicationId appId = yarnClient.submitApplication(app.getApplicationSubmissionContext());

2. 起app master

3. Reference

https://hadoop.apache.org/docs/stable/hadoop-yarn/hadoop-yarn-site/WritingYarnApplications.html
https://blog.csdn.net/hahachenchen789/article/details/80586505

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