开源大数据平台 E-MapReduce如何创建的相关内容

E-MapReduce如何创建作业?

要运行一个计算任务，首先需要定义一个作业，其步骤如下：登录阿里云 E-MapReduce 控制台作业页面。选择地域（Region），则作业将会创建在对应的地域内。单击该页右上角的[backcolor=transparent]创建作业，进入创建作业页面，如下图所示：填写作业名称。选择作业类型。填写作...

E-MapReduce如何创建任务流

比如在oss中我有3个jar包，第一个为求数据条数，第二个求和，第三个除法我现在想求平均值，那就是求条数，求和，然后相除，用Java代码创建job实际上就是java中创建2个job，第一的输出当作第二个的输入，并且不能第一个的输出先存到oss中，第二个再去读

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更新时间 2023-05-10 14:55:49

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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。

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