mapreduce环境-阿里云

[帮助文档] 创建ECS实例并基于EMR-CLI快速部署Gateway环境

Gateway主要用于向计算集群提交任务和进行安全隔离。为了方便部署Gateway环境，E-MapReduce提供了名为EMR-CLI的工具，它基于阿里云ECS来创建实例并部署Gateway环境。当您创建了DataLake、DataFlow或OLAP类型的集群时，可以使用本文档来部署Gateway环...

[帮助文档] PySpark中的Python环境介绍

EMR DataLake和自定义集群安装的Spark版本对Python环境的依赖各不相同。本文以Python3为例，介绍不同Spark版本所对应的Python版本，以及安装Python第三方库的方法。

Hadoop 分布式计算框架 MapReduce

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[帮助文档] 如何在本地搭建Spark的调试环境(以IDEA为例)

本文为您介绍如何在本地搭建Spark的调试环境（以IDEA为例）。

阿里云E-MapReduce的环境，办公网络本地开发环境依赖jindo包写数据的时候报错，怎么处理？

环境是阿里云E-MapReduce的环境，hudi + oss-hdfs ， jindo版本是4.3.1。办公网络本地开发环境依赖jindo包写数据的时候报错，怎么处理？调试的时候发现调用了JindoNativeWriter的write方法出错了，但是因为是native函数，没法定位问题。只知道错误...

《Hadoop MapReduce实战手册》一1.9 在分布式集群环境中运行WordCount程序

本节书摘来异步社区《Hadoop MapReduce实战手册》一书中的第1章，第1.9节，作者：【美】Srinath Perera , Thilina Gunarathne 译者：杨卓荦责编：杨海玲，更多章节内容可以访问云栖社区“异步社区”公众号查看。 1.9 在分布式集群环境中运行Word...

E-MapReduce集群脚本-包年包月集群修改软件环境的利器

集群，特别是包年报月集群，在使用过程中，可能会有新的安装第三方软件，修改集群运行环境的需求。例如Presto组件想增加udf、支持更多类型的插件，安装第三方软件，安装操作系统软件包，等等。由于包年包月集群不能直接释放了新建，所以需要一种引导操作的功能在集群使用中执行安装脚本。 E-MapReduce...

E-MapReduce 集群环境小记

以EMR-2.0.1为例，对E-MapReduce的集群环境做个总结介绍 E-MapReduce环境变量登录集群，输入env 命令即可看到环境变量。跟hadoop相关的如下 JAVA_HOME=/usr/lib/jvm/java HADOOP_HOME=/usr/lib/hadoop-curren...

关于eclipse中运行mapreduce不是在hadoop集群环境运行而是在本地运行的问题

1.我用eclipse远程连接linux上的hadoop集群，跑Mapreduce程序都可以顺利完成，结果在集群里也可以看得到。但是，跑程序的时候，我去集群上Jps没有我正在跑的程序而且，我到job的web界面下，也没有我的MapReduce任务记录。。。是不是eclipse其实在本地跑的，没...

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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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StarRocks 免费试用

产品入门

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常见问题

最佳实践

EMR实时计算实践