hadoop spark数据处理的相关内容

阿里云文档 2025-06-05

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 2025-04-03

如何通过ES-Hadoop实现Spark读写阿里云Elasticsearch数据

Spark是一种通用的大数据计算框架，拥有Hadoop MapReduce所具有的计算优点，能够通过内存缓存数据为大型数据集提供快速的迭代功能。与MapReduce相比，减少了中间数据读取磁盘的过程，进而提高了处理能力。本文介绍如何通过ES-Hadoop实现Hadoop的Spark服务读写阿里云Elasticsearch数据。

文章 2024-04-26 来自：开发者社区

数据分享|基于Python、Hadoop零售交易数据的Spark数据处理与Echarts可视化分析

全文链接：http://tecdat.cn/?p=29528 分析师：Enno 案例数据集是在线零售业务的交易数据，采用Python为编程语言，采用Hadoop存储数据，采用Spark对数据进行处理分析，并使用Echarts做数据可视化。由于案例公司商业模式类似新零售，或者说有向此方向发展利好的趋势，所以本次基于利于公司经营与发展的方向进行数据分析。 ...

阿里云文档 2023-09-13

如何在EMR的Hadoop集群中运行Spark作业对接DataHub数据_EMR on ECS_开源大数据平台 E-MapReduce(EMR)

本文介绍如何在E-MapReduce的Hadoop集群，运行Spark作业消费DataHub数据、统计数据个数并打印出来。

问答 2022-08-02 来自：开发者社区

Hadoop和Spark在适合的数据处理场景方面有什么不同？

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更新时间 2024-04-28 09:07:08

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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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