mapreduce方法-阿里云

请问阿里云E-MapReduce OSS-HDFS 有什么简便的方法创建目录结构嘛？

请问阿里云E-MapReduce OSS-HDFS 有什么简便的方法创建目录结构嘛？我看控制台上没有创建目录的按钮。macos m2 架构，按照这个文档完整部署JindoSDK，https://github.com/aliyun/alibabacloud-jindodata/blob/bea402b...

Hadoop 分布式计算框架 MapReduce

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阿里云E-MapReduce请问是否有方法把oss数据同步到EMR，然后用workflow处理？

阿里云E-MapReduce在文档中看到了把数据从EMR同步到oss的方法；请问是否有方法把oss数据同步到EMR，然后用workflow处理？

【大数据优化】（二）MapReduce 优化方法

MapReduce跑的慢的原因（☆☆☆☆☆）一、Mapreduce 程序效率的瓶颈在于两点：1）计算机性能CPU、内存、磁盘健康、网络2） I/O 操作优化（1）数据倾斜（2） map 和reduce 数设置不合理（3） reduce 等待...

MapReduce 优化方法|学习笔记

开发者学堂课程【Hadoop 企业优化及扩展案例：MapReduce 优化方法】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/96/detail/1570MapReduce 优化方法目录：一．数据输...

MapReduce在Reduce阶段该如何优化方法呢？

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更新时间 2024-03-02 01:51:35

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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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EMR实时计算实践