章节内容上节我们完成了如下的内容： Sqoop 部分导入数据 --query Sqoop 部分导入数据 --where 记录执行过程和执行结果背景介绍这里是三台公网云服务器，每台 2C4G，搭建一个Hadoop的学习环境，供我学习。之前已经在 VM 虚拟机上搭建过一次，但是没留下笔记，这次趁着前几天薅羊毛的3台机器，赶紧尝...

文章 2024-10-13 来自：开发者社区

Hadoop-23 Sqoop 数据MySQL到HDFS(部分) SQL生成数据 HDFS集群 Sqoop import jdbc ETL MapReduce

章节内容上一节我们完成了如下的内容：编写一个 SQL 脚本生成数据启动我们的依赖服务：HDFS、Hive、YARN Sqoop 将数据全量导入 Hive 查看MapReduce状态、查看HDFS结果背景介绍这里是三台公网云服务器，每台 2C4G，搭建一个Hadoop的学习环境，供我学习。之前已经在 VM 虚...

文章 2024-10-13 来自：开发者社区

Hadoop-22 Sqoop 数据MySQL到HDFS(全量) SQL生成数据 HDFS集群 Sqoop import jdbc ETL MapReduce

章节内容上节我们完成了： Sqoop 介绍 Sqoop 下载配置环境等 Sqoop 环境依赖：Hadoop、Hive、JDBC 等环境补全背景介绍这里是三台公网云服务器，每台 2C4G，搭建一个Hadoop的学习环境，供我学习。之前已经在 VM 虚拟机上搭建过一次，但是没留下笔记，这次趁着前几天薅羊毛的3台机器，赶紧尝试在...

文章 2024-10-13 来自：开发者社区

Hadoop-10-HDFS集群 Java实现MapReduce WordCount计算 Hadoop序列化编写Mapper和Reducer和Driver 附带POM 详细代码图文等内容

章节内容上一节我们完成了：新工程的建立和 POM 的导入 Java连接到HDFS集群 Java操作HDFS集群，如上传下载，遍历目录，PUT GET 等等操作背景介绍这里是三台公网云服务器，每台 2C4G，搭建一个Hadoop的学习环境，供我学习。之前已经在 VM 虚拟机上搭建过一次，但是没留下笔记，这次趁着前几天薅羊...

文章 2024-10-13 来自：开发者社区

Hadoop-06-Hadoop集群历史服务器配置超详细执行任务记录 JobHistoryServer MapReduce执行记录日志聚合结果可视化查看

章节内容：上一节完成： HDFS 文件操作 WordCount 案例分布式运行查看运行结果背景介绍这里是三台公网云服务器，每台 2C4G，搭建一个Hadoop的学习环境，供我学习。之前已经在 VM 虚拟机上搭建过一次，但是没留下笔记，这次趁着前几天薅羊毛的3台机器，赶紧尝试在公网上搭建体验一下。注意...

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开源大数据平台 E-MapReduce

开源大数据平台 E-MapReduce（简称“EMR”）是云原生开源大数据平台，向客户提供简单易集成的Hadoop、Hive、Spark、Flink、Presto、ClickHouse、StarRocks、Delta、Hudi等开源大数据计算和存储引擎服务。

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立即开通

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产品入门

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最佳实践

EMR实时计算实践