mapreduce实践-阿里云

阿里云E-MapReduce Trino专属集群外连引擎及权限控制踩坑实践

1. 专属Olap集群-Trino/Presto 1.1. 客户需求 EMR-Trino集群，连接Ack集群上的Hive-metastore、Mysql以及ODPS。其中最为复杂的为自建hive connector的相关配置：从表类型方面看包含普通hive表以及delta表从存储方面看包含hd...

[帮助文档] BrokerLoad如何导入,操作,系统配置及实践

Broker Load是一个异步的导入方式，支持的数据源取决于Broker进程支持的数据源。本文为您介绍Broker Load导入的基本原理、基本操作、系统配置以及最佳实践。

Hadoop 分布式计算框架 MapReduce

89 课时 |

745 人已学 |

加入学习

阿里云E-MapReduce有大佬有通过jindofs建odps外表连oss的实践分享不？

Kafka-HBase-MapReduce-Mysql 连接实践通话记录

1.项目介绍本项目采用的数据为通话记录数据，例（张三李四 2021-4-23 12:32:13 2942）意思是张三在2021-4-23 12:32:13这个时间给李四通话，通话时长为2942秒数据来源【程序自己模拟数据的产生，交给Kafka的生产者】Kafka的消费者端接的是HBase数据库Ma...

MapReduce 原理与实践

MapReduce 简介MapReduce 核心思想Hadoop MapReduce 是一个编程框架，它可以轻松地编写应用程序，以可靠的、容错的方式处理大量的数据(数千个节点)。正如其名，MapReduce 的工作模式主要分为 Map 阶段和 Reduce 阶段。一个 MapReduce 任务（Jo...

实践Hadoop MapReduce 任务的性能翻倍之路

作者：李万雪， eBay软件开发工程师，2017年毕业于上海交通大学。目前负责日志在大数据平台上的分析和opentracing在ebay日志平台的实现。原文链接：https://mp.weixin.qq.com/s?__biz=MzA3MDMyNDUzOQ==&mid=2650505625...

[MaxCompute MapReduce实践]通过简单瘦身，解决Dataworks 10M文件限制问题

用户在DataWorks上执行MapReduce作业的时候，文件大于10M的JAR和资源文件不能上传到Dataworks，导致无法使用调度去定期执行MapReduce作业。解决方案：第一步：大于10M的resources通过MaxCompute CLI客户端上传，客户端下载地址：https:/...

hive在E-MapReduce集群的实践（一）hive异常排查入门

hive是hadoop集群最常用的数据分析工具，只要运行sql就可以分析海量数据。初学者在使用hive时，经常会遇到各种问题，不知道该怎么解决。本文是hive实践系列的第一篇，以E-MapReduce集群环境为例，介绍常见的hive执行异常，定位和解决方法，以及hive日志查看方法。除作者本人的...

hive在E-MapReduce集群的实践（二）集群hive参数优化

本文介绍一些常见的集群跑hive作业参数优化，可以根据业务需要来使用。提高hdfs性能修改hdfs-site，注意重启hdfs服务 dfs.client.read.shortcircuit=true //直读 dfs.client.read.shortcircuit.streams.cache....

阿里云AnalyticDB数据导出到E-MapReduce实践

阿里云的分析型数据库（AnalyticDB）和E-MapReduce（简称EMR）在大数据场景下非常有用，本文将介绍如何尝试打通两个产品，将通过EMR中自带的开源工具Sqoop来完成这个任务。 AnalyticDB数据准备在DMS For Analytic DB控制台可以新建数据库和表。数据库和表...

共有26条

< 1 2 3 >

跳转至： GO

更新时间 2024-03-14 12:56:19

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

产品推荐

{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":3,"count":3}]},"card":[{"des":"E-MapReduce 是构建于阿里云ECS弹性虚拟机之上，利用开源大数据生态系统，包括Hadoop，Spark，Kafka，Storm，为用户提供集群，作业，数据等管理的一站式大数据处理分析业务。","link1":"https://www.aliyun.com/product/emapreduce","link":"https://www.aliyun.com/product/emapreduce","icon":"https://img.alicdn.com/tfs/TB10yI6DNn1gK0jSZKPXXXvUXXa-201-200.png","btn2":"产品文档","tip":"海量存储，离线计算，实时计算场景等各种场景，Hadoop，Spark，Hive，Kafka，Storm等集群快速购买，<a href=\"https://www.aliyun.com/product/emapreduce\" target=\"_blank\">立即查看</a>产品动态发布：<a href=\"https://www.aliyun.com/product/new\" target=\"_blank\">立即查看</a>","btn1":"立即开通","link2":"https://help.aliyun.com/document_detail/28068.html","title":"E-MapReduce"}],"search":[{"txt":"购买建议","link":"https://help.aliyun.com/document_detail/65683.html"},{"txt":"集群规划","link":"https://help.aliyun.com/document_detail/58901.html"},{"txt":"Spark开发入门","link":"https://help.aliyun.com/document_detail/28116.html"},{"txt":"快速入门","link":"https://help.aliyun.com/document_detail/43753.html"},{"txt":"产品动态","link":"https://www.aliyun.com/product/new"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://www.aliyun.com/product/emapreduce","icon":"emapreduce","contentLink":"https://www.aliyun.com/product/emapreduce?spm=5176.19720258.J_8058803260.198.4d7a2c4aDND26z","title":"开源大数据平台 E-MapReduce","des":"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。","btn1":"产品控制台","link1":"https://emr-next.console.aliyun.com/","btn2":"立即开通","link2":"https://emr-next.console.aliyun.com/#/create/ecs","btn3":"产品文档","link3":"https://help.aliyun.com/document_detail/28068.html","infoGroup":[{"infoName":"优惠活动","infoContent":{"firstContentName":"StarRocks 免费试用","firstContentLink":"https://free.aliyun.com/?pipCode=emapreduce&spm=5176.28055625.J_4VYgf18xNlTAyFFbOuOQe.118.e939154awRTC1N&scm=20140722.M_9821919._.V_1"}},{"infoName":"产品入门","infoContent":{"firstContentName":"快速入门指导","firstContentLink":"https://help.aliyun.com/document_detail/176795.html?spm=a2c4g.11186623.6.572.68403b8bI3rak8","lastContentName":"常见问题","lastContentLink":"https://help.aliyun.com/document_detail/28186.html?spm=a2c4g.11186623.6.1143.7bce1c52WiJTBt"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"EMR实时计算实践","firstContentLink":"https://help.aliyun.com/document_detail/127198.html?spm=5176.cnemapreduce.0.0.3dd23a1cfXWfSP","lastContentName":"EMR弹性计算实践","lastContentLink":"https://bp.aliyun.com/front/home/detail/36?spm=5176.cnemapreduce.0.0.3dd23a1cfXWfSP"}},{"infoContent":{"lastContentName":"","lastContentLink":"","firstContentName":"产品最新动态","firstContentLink":"https://www.aliyun.com/product/new?category=19&product=125"},"infoName":"最新动态"}],"ifIcon":"icon","iconImg":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png"}]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"moduleinfo":{"card_count":[{"count_phone":1,"count":1}],"search_count":[{"count_phone":3,"count":3}]},"card":[{"des":"E-MapReduce 是构建于阿里云ECS弹性虚拟机之上，利用开源大数据生态系统，包括Hadoop，Spark，Kafka，Storm，为用户提供集群，作业，数据等管理的一站式大数据处理分析业务。","link1":"https://www.aliyun.com/product/emapreduce","link":"https://www.aliyun.com/product/emapreduce","icon":"https://img.alicdn.com/tfs/TB10yI6DNn1gK0jSZKPXXXvUXXa-201-200.png","btn2":"产品文档","tip":"海量存储，离线计算，实时计算场景等各种场景，Hadoop，Spark，Hive，Kafka，Storm等集群快速购买，<a href=\"https://www.aliyun.com/product/emapreduce\" target=\"_blank\">立即查看</a>产品动态发布：<a href=\"https://www.aliyun.com/product/new\" target=\"_blank\">立即查看</a>","btn1":"立即开通","link2":"https://help.aliyun.com/document_detail/28068.html","title":"E-MapReduce"}],"search":[{"txt":"购买建议","link":"https://help.aliyun.com/document_detail/65683.html"},{"txt":"集群规划","link":"https://help.aliyun.com/document_detail/58901.html"},{"txt":"Spark开发入门","link":"https://help.aliyun.com/document_detail/28116.html"},{"txt":"快速入门","link":"https://help.aliyun.com/document_detail/43753.html"},{"txt":"产品动态","link":"https://www.aliyun.com/product/new"}],"countinfo":{"search":{"length_pc":0,"length":0},"card":{"length_pc":0,"length":0}},"simplifiedDisplay":"newEdition","newCard":[{"link":"https://www.aliyun.com/product/emapreduce","icon":"emapreduce","contentLink":"https://www.aliyun.com/product/emapreduce?spm=5176.19720258.J_8058803260.198.4d7a2c4aDND26z","title":"开源大数据平台 E-MapReduce","des":"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。","btn1":"产品控制台","link1":"https://emr-next.console.aliyun.com/","btn2":"立即开通","link2":"https://emr-next.console.aliyun.com/#/create/ecs","btn3":"产品文档","link3":"https://help.aliyun.com/document_detail/28068.html","infoGroup":[{"infoName":"优惠活动","infoContent":{"firstContentName":"StarRocks 免费试用","firstContentLink":"https://free.aliyun.com/?pipCode=emapreduce&spm=5176.28055625.J_4VYgf18xNlTAyFFbOuOQe.118.e939154awRTC1N&scm=20140722.M_9821919._.V_1"}},{"infoName":"产品入门","infoContent":{"firstContentName":"快速入门指导","firstContentLink":"https://help.aliyun.com/document_detail/176795.html?spm=a2c4g.11186623.6.572.68403b8bI3rak8","lastContentName":"常见问题","lastContentLink":"https://help.aliyun.com/document_detail/28186.html?spm=a2c4g.11186623.6.1143.7bce1c52WiJTBt"}},{"infoName":"最佳实践","infoContent":{"firstContentName":"EMR实时计算实践","firstContentLink":"https://help.aliyun.com/document_detail/127198.html?spm=5176.cnemapreduce.0.0.3dd23a1cfXWfSP","lastContentName":"EMR弹性计算实践","lastContentLink":"https://bp.aliyun.com/front/home/detail/36?spm=5176.cnemapreduce.0.0.3dd23a1cfXWfSP"}},{"infoContent":{"lastContentName":"","lastContentLink":"","firstContentName":"产品最新动态","firstContentLink":"https://www.aliyun.com/product/new?category=19&product=125"},"infoName":"最新动态"}],"ifIcon":"icon","iconImg":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png"}]}}

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