开源大数据平台 E-MapReduce服务的相关内容

E-MapReduce 集群 header 节点有公网 IP，存在安全风险，是否可以通过 ECS 控制台关闭公网 IP，关闭公网 IP 是否会对 E-MapReduce 服务产生影响?

E-MapReduce服务与批量处理服务有什么区别

认真研读了批量计算的介绍，以前也了解过Hadoop , 我的理解是这两款产品都可用来做离线计算，个人觉得Hadoop族技术也可以完成batch功能，但是好几家云厂商对这两种服务区别提供，他们区别在哪里技术难点和应用场景又分别侧重在哪里。感谢不吝赐教！

阿里云是否保证E-MapReduce中各个服务的稳定运行

最近准备使用E-MapReduce，但是需要了解阿里云是否保证E-MapReduce中类似于hbase、zookeeper、spark等服务的正常运行，需不需要用户自己管理？

E-MapReduce集群中HDFS服务集成Kerberos

本文介绍在E-MapReduce集群中HDFS服务集成Kerberos。前置: 创建E-MapReduce集群，本文以非HA集群的HDFS为例 HDFS服务在hdfs账号下启动 HDFS软件包路径/usr/lib/hadoop-current，配置在/etc/emr/hadoop-conf/ 一、...

E-MapReduce集群启停HDFS/YARN服务

启停HDFS服务 HDFS服务启停，下面脚本需要在master节点运行，切需要在hdfs账号下。su hdfs 启动HDFS 执行下面脚本 #!/bin/bash worker_cnt=`cat /etc/hosts | grep emr-worker | grep cluster | wc -l`...

使用E-MapReduce服务处理阿里云文件存储（NAS）的数据

简介文件存储是阿里云今年新推出的存储服务，因为它提供标准的文件访问协议，用户无需对现有应用做任何修改，即可使用具备无限容量及性能扩展、单一命名空间、多共享、高可靠和高可用等特性的分布式文件系统。E-MapReduce服务是阿里云上的开源大数据解决方案，可以帮用户构建基于Hadoop等开源组件的大数...

使用E-MapReduce服务将Kafka数据导入OSS

概述 kafka是一个开源社区常用的消息队列，虽然kafka官方（Confluent公司）提供插件从Kafka直接导入数据到HDFS的connector，但对阿里云对文件存储系统OSS却没有官方的支持。本文会举一个简单的例子，实现kafka的数据写入阿里云OSS。因为阿里云E-MapReduce服务...

尝新阿里云E-MapReduce MetaService服务

阿里云E-MapReduce从EMR-2.1.0版本镜像开始，将在VPC集群中提供MetaService服务。什么是MetaService服务？从字面理解，MetaService服务提供用户查询集群Meta信息。包括哪些Meta信息呢？E-MapReduce目前主要提供以下几种信息：集群所在R...

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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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优惠活动

StarRocks 免费试用

产品入门

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EMR实时计算实践