开源大数据平台 E-MapReduce环境的相关内容

问答 2024-06-03 来自：开发者社区

阿里云E-MapReduce是不是你们的集群环境中缺少了相关的jar包，还是怎么的？

阿里云E-MapReduce添加了spark.sql.extensions=io.delta.sql.DeltaSparkSessionExtensionspark.sql.catalog.spark_catalog=org.apache.spark.sql.delta.catalog.DeltaCatalog还是报找不到类，我这里用的是EMR On ECS delta版集群，是不是你们的集群环....

问答 2024-06-03 来自：开发者社区

阿里云E-MapReduce缺少这个类，该怎么在环境中添加呢？

阿里云E-MapReduce缺少这个类，该怎么在环境中添加呢？我们一般的方式是：from pyspark.sql import SparkSession spark = SparkSession.builder \ .appName("DeltaLakeExample") \ .config("spark.sql.extensions", "io.delta.sql.DeltaSpa...

问答 2023-11-12 来自：开发者社区

阿里云E-MapReduce 还需要搭建Hadoop环境吗？

阿里云E-MapReduce flume通过jindosdk写入oss的话，还需要搭建Hadoop环境吗？

问答 2023-06-28 来自：开发者社区

阿里云E-MapReduce的环境，办公网络本地开发环境依赖jindo包写数据的时候报错，怎么处理？

环境是阿里云E-MapReduce的环境，hudi + oss-hdfs ， jindo版本是4.3.1。办公网络本地开发环境依赖jindo包写数据的时候报错，怎么处理？调试的时候发现调用了JindoNativeWriter的write方法出错了，但是因为是native函数，没法定位问题。只知道错误信息是： Caused by error 30005: IO error: Failed to o....

问答 2022-12-13 来自：开发者社区

E-MapReduce创建GATEWAY环境

文章 2016-09-26 来自：开发者社区

E-MapReduce集群脚本-包年包月集群修改软件环境的利器

集群，特别是包年报月集群，在使用过程中，可能会有新的安装第三方软件，修改集群运行环境的需求。例如Presto组件想增加udf、支持更多类型的插件，安装第三方软件，安装操作系统软件包，等等。由于包年包月集群不能直接释放了新建，所以需要一种引导操作的功能在集群使用中执行安装脚本。 E-MapReduce控制台1.5.0版本提供了集群脚本的功能，可以在集群创建好后批量选择节点，运行您指定的脚本，以实现....

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更新时间 2024-06-12 01:16:20

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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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