大数据hadoop分发的相关内容

阿里云文档 2025-04-18

与自建集群的对比优势

与自建Hadoop集群相比，开源大数据开发平台EMR提供弹性资源管理和自动化运维，降低运维复杂度，通过用户管理、数据加密和权限管理等为数据安全保驾护航，同时EMR集成了丰富的开源组件并打通开源生态与阿里云生态，便于快速搭建大数据处理和分析场景。

阿里云文档 2025-04-16

使用Hadoop命令操作OSS/OSS-HDFS

在使用阿里云EMR Serverless Spark的Notebook时，您可以通过Hadoop命令直接访问OSS或OSS-HDFS数据源。本文将详细介绍如何通过Hadoop命令操作OSS/OSS-HDFS。

阿里云文档 2025-04-11

EMR,Hadoop,集群,集群类型

阿里云EMR针对不同业务场景提供了数据湖集群、数据分析集群、实时数据流集群、数据服务集群四类预定义业务场景。若您的业务需集成特定组合的组件，您可创建自定义集群，灵活组合EMR提供的组件，打造适配业务特性的大数据平台。本文将为您介绍这些集群的区别，帮助您快速选型。

阿里云文档 2025-02-14

基于自建Hadoop集群进行自定义CDH镜像

本文为您介绍如何在DataWorks绑定自建 Hadoop 集群并进行任务开发，以及如何自定义自建集群运行环境。

文章 2024-10-12 来自：开发者社区

大数据-03-Hadoop集群免密登录超详细 3节点云分发脚本踩坑笔记 SSH免密集群搭建（一）

点一下关注吧！！！非常感谢！！持续更新！！！目前已经更新到了： Hadoop（正在更新）章节内容上一节完成： HDFS集群XML的配置 MapReduce集群XML的配置 Yarn集群XML的配置统一权限 DNS统一配置 ...

文章 2024-10-12 来自：开发者社区

大数据-03-Hadoop集群免密登录超详细 3节点云分发脚本踩坑笔记 SSH免密集群搭建（二）

接上篇：https://developer.aliyun.com/article/1621587?spm=a2c6h.13148508.setting.16.49764f0eTUci5Z 开启ROOT 如果你的账户不是ROOT，那你需要过一下这章节。如果你是ROOT，那请略过！！！ ROOT密码 ...

阿里云文档 2024-04-03

迁移Hadoop集群至DataLake集群

本文将详细阐述如何将您已有的旧版数据湖集群（Hadoop），高效地迁移至数据湖集群（DataLake），以下分别简称“旧集群”和“新集群”。迁移过程将充分考虑旧集群的版本、元数据类型以及存储方式，并针对这些因素，提供适应新集群的迁移策略与步骤。

文章 2022-02-16 来自：开发者社区

大数据||hadoop分布式部署分发、基本测试及监控

先看文章大数据||hadoop分布式集群安装分发包括：通过主节点给子节点分发数据。免密形式基本测试包括：创建目录，上传文件、读取文件等 HDFS namenode节点格式化（131）命令bin/hdfs namenode -format 说明：只有第一次部署的格式化。后面不要格式化要不datanode节点启动会报错。启动hdfs 命令：sbin/st...

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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。

产品控制台

立即开通

产品文档

优惠活动

StarRocks 免费试用

产品入门

快速入门指导

常见问题

最佳实践

EMR实时计算实践