任务hadoop 的相关内容

阿里云文档 2025-02-14

基于自建Hadoop集群进行自定义CDH镜像

本文为您介绍如何在DataWorks绑定自建 Hadoop 集群并进行任务开发，以及如何自定义自建集群运行环境。

问答 2024-06-20 来自：开发者社区

flink-cdc执行任务找不到ExecutionConfig类，是没有装hadoop导致的吗

2024-06-20 16:47:09,090 INFO [XNIO-1 task-1] o.a.f.r.s.t.h.HadoopFSDelegationTokenProvider [HadoopFSDelegationTokenProvider.java : 76] Hadoop FS is not available (not packaged with this application):....

文章 2024-06-15 来自：开发者社区

实时计算 Flink版产品使用问题之yarn session模式中启动的任务链接是http IP，想把IP映射为主机hadoop，该怎么操作

问题一：我使用flink on yarn启动了一个任务模式怎么看这个会话的资源被当前任务占用了多少？我使用flink on yarn启动了一个任务 yarn session模式怎么看这个会话的资源被当前任务占用了多少？参考答案：应该看不了，关于本问题的更多回答可点击进行查看： https://devel...

文章 2024-05-16 来自：开发者社区

实时计算 Flink版产品使用合集之如果产品是基于ak的，可以提交sql任务到ecs自建hadoop集群吗

问题一：实时计算flink产品访问 starrocks emr serverless 要开启公网访问么？实时计算flink产品访问 starrocks emr serverless 要开启公网访问么？参考回答：不用，vpc就行。关于本问题的更多回答可点击原文查看：https://developer.aliyun.com/a...

问答 2023-11-22 来自：开发者社区

这个flink产品是基于ak的，可以提交sql任务到ecs自建hadoop集群吗？

阿里云文档 2023-03-31

问题描述Dataphin管道任务失败，报错“error occurred where call hadoop api”。问题原因Hive表字段改动导致。Hive表字段改动是要更新管道任务配置的，Hive输出组件的配置要求Hive表字段全部映射，否则就不允许提交，如果是TEXTFILE格式的表，可以追...

阿里云文档 2022-10-28

如何解决Dataphin脚本任务运行报错

问题描述Dataphin脚本任务运行报错“Error while processing statement: FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask“。解决方案上...

阿里云文档 2022-07-20

问题描述Dataphin管道任务运维补数据只有20220430才会报错“org.apache.hadoop.security.AccessControlException: Permission denied by sticky bit”，其他日期补数据不会报错。问题原因由于hive使用的是 had...

文章 2022-02-16 来自：开发者社区

【问题】spark运行python写的mapreduce任务，hadoop平台报错，java.net.ConnectException: 连接超时

问题：用spark-submit以yarn-client方式提交任务，在集群的某些节点上的任务出现连接超时的错误，排查过各种情况后，确定在防火墙配置上出现问题。原因：我猜测是python程序启动后，作为Server，hadoop中资源调度是以java程序作为Client端访问， Python启动的Server端需要接受localhost的client访问。当你从一台linux主机向自身发....

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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