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September 2021

3 posts
  • Code

JDBC操作Hive概述

  • September 24, 2021
  • Brandon
通过配置 Beeline、启动 HiveServer2、添加 hive-jdbc 依赖,Java 程序即可连接 Hive、查询 t_test 表,并规范关闭 ResultSet、Statement 与 Connection。
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MapReduce代码编写总览

  • September 20, 2021
  • Brandon
从依赖配置到集群提交,本文用词频统计示例串起 Mapper 分词输出、Reducer 汇总计数、输入输出路径配置,以及 Jar 包打包运行的完整 MapReduce 编写流程。
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hadoop框架概述

  • September 17, 2021
  • Brandon
从ZooKeeper的协调与配置管理,到HDFS存储、MapReduce离线计算、Hive SQL封装,再到Spark内存计算,梳理Hadoop生态各组件的职责、架构与适用边界。
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MapReduce代码编写总览

JDBC操作Hive概述

hadoop框架概述

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Java 多线程

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hadoop框架概述

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