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[帮助文档] 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。

Hadoop(HDFS+MapReduce+Hive+数仓基础概念)学习笔记(自用)

修改虚拟机IP复制网卡的配置第一种方式：配置文件向识别的网卡兼容1、通过一个主机复制出多个主机2、开启复制的主机，启动时选择“复制”3、启动后查看IP ifconfig查看系统识别的网卡Ifconfig -a这里ifconfig看不到IP 是因为系统识别的设备名称与系统配置文件不同导致。配置文...

大数据实战项目：反爬虫系统（Lua+Spark+Redis+Hadoop框架搭建）第一阶段

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大数据实战项目：反爬虫系统（Lua+Spark+Redis+Hadoop框架搭建）第二阶段

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大数据实战项目：反爬虫系统（Lua+Spark+Redis+Hadoop框架搭建）第三阶段

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[帮助文档] 如何管理SmartDataHadoop回收站

Hadoop回收站是Hadoop文件系统的重要功能，可以恢复误删除的文件和目录。本文为您介绍Hadoop回收站的使用方法。

[帮助文档] 如何管理HDFSHadoop回收站

Hadoop回收站是Hadoop文件系统的重要功能，可以恢复误删除的文件和目录。本文为您介绍Hadoop回收站的使用方法。

[帮助文档] 如何管理OSS/OSS-HDFSHadoop回收站

Hadoop回收站是Hadoop文件系统的重要功能，可以恢复误删除的文件和目录。本文为您介绍Hadoop回收站的使用方法。

HADOOP MapReduce 处理 Spark 抽取的 Hive 数据【解决方案一】

开端：今天咱先说问题，经过几天测试题的练习，我们有从某题库中找到了新题型，并且成功把我们干趴下，昨天今天就干了一件事，站起来。沙问题？java mapeduce 清洗 hive 中的数据，清晰之后将driver代码进行截图提交。坑号1: spark之前抽取的数据是.parquet格.....

[帮助文档] 如何通过HadoopShell命令访问OSS和OSS-HDFS

本文为您介绍如何通过Hadoop Shell命令访问OSS和OSS-HDFS。

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