开源大数据平台 E-MapReduce sqoop 的相关内容

使用E-MapReduce集群sqoop组件同步云外Oracle数据库数据到集群hive

E-MapReduce集群sqoop组件可以同步数据库的数据到集群里，不同的数据库源网络配置有一些差异网络配置。最常用的场景是从rds mysql同步数据，最近也有用户询问如何同步云外专有Oracle数据库数据到hive。云外专有数据库需要集群所有节点通过公网访问，要创建VPC网络，使用VPC网络创...

用E-MapReduce sqoop同步私有公网数据库为什么要创建VPC集群

用E-MapReduce sqoop同步私有公网数据库为什么要创建VPC集群,不能用经典网络呢

用E-MapReduce sqoop产品导入数据后为什么hdfs目录是空的

指定--target-dir A --import-hive --hive-table，执行成功后为什么我指定的hdfs目录没内容

E-MapReduce产品用sqoop同步数据hdfs目录要提前创建好么

--target-dir 指定的目录需要提前创建好么

E-MapReduce产品sqoop同步外网数据库还需要core节点访问外网？

sqoop同步外网数据库还需要core节点访问外网？

E-MapReduce产品用sqoop同步数据，hive创建表的结构一定要和数据库结构一样吗

E-MapReduce产品sqoop把数据导入hdfs一个目录还是hive的一个表中，这两种有区别吗

E-MapReduce的sqoop可以不指定--target-dir参数吗

用Aliyun E-MapReduce集群的sqoop工具和数据库同步数据如何配置网络

如果您的E-MapReduce集群需要和集群之外的数据库同步数据，需要确保网络是联通的。本文就RDS，ecs自搭，云下私有数据库三种情况，分别介绍如何配置网络。一.RDS 经典网络RDS 想要访问经典网络RDS，EMR（E-MapReduce，下同)最好也指定用经典网络。经典网络的RDS 可以设...

在Aliyun E-MapReduce集群上使用sqoop高级特性

sqoop简介 sqoop是什么 Sqoop是一款开源的软件工具，提供了Hadoop和关系型数据库中的数据相互转移的功能。可以将一个关系型数据库（例如： MySQL）中的数据导进到Hadoop的HDFS中，也可以将HDFS的数据导进到关系型数据库中。在E-MapReduce集群中使用sqoop ...

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更新时间 2023-05-10 14:55:07

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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

EMR弹性计算实践