Spark Yarn Client模式運行流程

以wordCount程序爲例: 命令行內容： bin/spark-submit –class WordCount –master yarn –deploy-mode client ./WordCount.jar ./input ./output 運行流程 命令行-腳本執行- SparkSubmit- 調用main(即Driver:執行代碼-初始化SC-任務切分)-申請啓動ExecutorLaunc

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