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问答 2022-12-07 来自：开发者社区

E-MapReduce Doctor采集操作会对任务的运行产生什么影响

文章 2022-11-19 来自：开发者社区

Apache Oozie-- 实战操作--集成 hue& 调度 mapreduce 程序｜学习笔记

开发者学堂课程【Oozie 知识精讲与实战演练：Apache Oozie-- 实战操作--集成 hue& 调度 mapreduce 程序】学习笔记，与课程紧密联系，让用户快速学习知识。课程地址：https://developer.aliyun.com/learning/course/716/detail/12794Apache Oozie--实战操作--集成hue&调度mapr....

文章 2022-11-19 来自：开发者社区

Apache Oozie-- 实战操作--调度 mapreduce 程序｜学习笔记

开发者学堂课程【Oozie 知识精讲与实战演练：Apache Oozie-- 实战操作--调度 mapreduce 程序】学习笔记，与课程紧密联系，让用户快速学习知识。课程地址：https://developer.aliyun.com/learning/course/716/detail/12789Apache Oozie-- 实战操作--调度 mapreduce 程序内容介绍一、....

问答 2022-10-29 来自：开发者社区

MapReduce框架中为什么只对<key,value>进行操作？

MapReduce框架中为什么只对进行操作？

文章 2022-07-07 来自：开发者社区

初识Mongodb之MapReduce操作篇

目录介绍语法解析参数说明：行查询的步骤案例集合统计各班级的学生人数（MapReduce）统计各班级的学生人数（aggregate）统计分布式课程不及格人数（输出表格）求全体学生的平均身高分专业-年级-班级计算平均身高任务1：给全校分布式数据库课程考试班级平均分前三名的班级中每个学生发奖任务1升级版：给全校每门课程考试班级平均分前三名的班级中每个学生发奖每文一语介绍在用MongoDB查询返回的数据....

文章 2022-06-09 来自：开发者社区

【HBase】（九）MapReduce 操作 Hbase

文章目录一、MapReduce从HDFS读取数据存储到HBase中二、MapReduce从HBase读取数据计算平均年龄并存储到HDFS中一、MapReduce从HDFS读取数据存储到HBase中现有HDFS中有一个student.txt文件，格式如下95002,刘晨,女,19,IS 95017,王风娟,女,18,IS 95018,王一,女,19,IS 95013,冯伟,男,21,CS 9501....

问答 2021-12-07 来自：开发者社区

Mapreduce操作的mapper和reducer阶段相当于spark中的什么算子？

问答 2021-12-06 来自：开发者社区

Mapreduce操作的mapper和reducer阶段相当于spark中的哪几个算子啊？

问答 2021-12-06 来自：开发者社区

Hadoop中Mapreduce操作的mapper和reducer阶段相当于spark中的哪个算子？

问答 2021-12-05 来自：开发者社区

MapReduce操作HBase需要实现什么？

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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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