开源大数据平台 E-MapReduce表的相关内容

问答 2023-08-09 来自：开发者社区

阿里云E-MapReduce中用户实际使用这个的话，最大的同步历史数据条数/库数量/表数量是多少呢？

问答 2023-07-13 来自：开发者社区

各位大佬，请问阿里云E-MapReduce starrocks表的分区信息除了show parti？

各位大佬，请问阿里云E-MapReduce starrocks表的分区信息除了show partitions之外还可以通过什么途径获取嘛？information_schema.partitions表是空的。

问答 2023-05-29 来自：开发者社区

如果对一个hive表修改，阿里云E-MapReduce现在用的是上面的v2版本吗？

如果一个hive表修改location至'oss://test-hadoop-emr/sr/' 直接写入到oss，阿里云E-MapReduce现在用的是上面的v2版本吗？ https://www.modb.pro/db/183904

文章 2023-01-17 来自：开发者社区

Hadoop学习：MapReduce实现两张表合并

一、✌题目要求record表：ID城市编号空气指数001032450020265500305743004042460050295600601637007058310080368300902349city表：城市编号城市名称01长沙02株洲03湘潭04怀化05岳阳目标表：ID城市名称空气指数001湘潭245002株洲655003岳阳743004怀化246005株洲956006长沙637007岳阳8....

问答 2022-12-13 来自：开发者社区

E-MapReduce如何使用SparkSQL的Hudi表进行数据查询

问答 2022-12-12 来自：开发者社区

E-MapReduce的Impala无法找到Hive新增的表如何解决

问答 2021-12-06 来自：开发者社区

怎么使用mapReduce实现两个表的join?

问答 2021-12-06 来自：开发者社区

使用mapReduce是如何实现两个表的join呢?

问答 2020-08-05 来自：开发者社区

odps 的 MapReduce 必须指定输入表或分区吗

odps 的 MapReduce 必须指定输入表或分区吗？如果不需要指定，可以举例说明下是什么样的场景吗？谢谢

问答 2018-10-11 来自：开发者社区

MapReduce生成odps表记录中文变成字母问题？

例如：Record result = context.createOutputRecord();result.setString(0,"英特尔");................context.write(result);输出的表记录”英特尔“变成“=D3=A2=CC=D8=B6=FB”，对应字段是STRING这个是什么问题？怎么处理？

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更新时间 2023-08-10 09:23:59

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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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