开源大数据平台 E-MapReduce counter 的相关内容

MaxCompute用户指南：MapReduce：示例程序：使用Counter示例

本示例中定义了三个 Counter：map_outputs，reduce_outputs 和 global_counts。您可以在Map/Reduce 的 setup，map/reduce 及 cleanup 接口中，获取任意自定义 Counter，并进行操作。测试准备准备好测试程序的 Jar ...

Mapreduce和Yarn概念，参数优化，作用，原理，MapReduce计数器 Counter,MapReduce 多job串联之ControlledJob(来自学习资料)

3.3. MapReduce与YARN 3.3.1 YARN概述 Yarn是一个资源调度平台，负责为运算程序提供服务器运算资源，相当于一个分布式的操作系统平台，而mapreduce等运算程序则相当于运行于操作系统之上的应用程序 3.3.2 YARN的重要概念 1、 yarn并不清楚用户提...

mapreduce中counter的使用

   MapReduce Counter为提供我们一个窗口：观察MapReduce job运行期的各种细节数据。MapReduce自带了许多默认Counter。     Counter有"组group"的概念，用于表示逻辑上相同范围的所有数...

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更新时间 2023-05-22 13:43:41

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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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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