hadoop配置报错的相关内容

阿里云文档 2024-04-18

配置Hadoop集群的弹性伸缩

当您的业务量需求不断波动时，建议您开启弹性伸缩功能并配置相应的伸缩规则，以便于E-MapReduce（简称EMR）可以按业务量波动增加或减少Task节点。确保作业完成的同时，可以节省成本。本文为您介绍如何在EMR控制台配置弹性伸缩。

阿里云文档 2023-09-13

如何配置数据湖构建作为EMR上Hadoop集群的元数据_EMR on ECS_开源大数据平台 E-MapReduce(EMR)

本文为您简单介绍阿里云数据湖构建，以及如何切换E-MapReduce（简称EMR）的元数据存储类型。

问答 2022-02-15 来自：开发者社区

hadoop 配置snappy失败：报错

我用的hadoop版本是Hadoop 2.6.0-cdh5.4.0 hadoop-snappy-0.0.1-SNAPSHOT\lib\native\Linux-amd64-64下编译好的文件放入hadoop的lib 文件夹下面然后执行 hadoop checknative 命令看到 snappy 是false &...

问答 2022-02-15 来自：开发者社区

2台电脑分别装了虚拟机，使用ubuntu操作系统，完成了hadoop分布式的配置。然后对2个CSV文件进行数据处理，执行shell脚本，处理完成的情况下可以生成一个CSV文件。这里我的2个CSV文件只需要存放在主机上吗？（在不使用分布式进行处理的时候，一台电脑进行处理数据，2个CSV文件存放在本机上，执行shell脚本后，在本地指定的文件夹下生成一个处理后的CSV文件。现在使用2台电脑搭好分布式....

问答 2022-02-15 来自：开发者社区

hadoop配置问题：报错

为甚么我在配置hadoop的过程中，在bin文件夹中没有start-jobhistorysever.sh和task-controller文件，具体如下：而我在jps查看进程时，也只有下面四个进程：

问答 2022-02-15 来自：开发者社区

HADOOP_INSTALL配置问题：报错

每次执行hadoop命令时都样进入安装目录，怎么设置HADOOP_INSTALL的环境变量，可用不用每次都进入安装目录？在什么文件中设置？/etc/profile中吗？我进入编辑后是，只读文件啊？在什么地方修改啊

问答 2022-02-15 来自：开发者社区

hadoop中管理界面的端口号在哪里配置：报错

http://localhost:50030/ - Hadoop 管理介面 http://localhost:50060/ - Hadoop Task Tracker 状态 http://localhost:50070/ - Hadoop DFS 状态这三个访问地址是在哪里配置的呢；还有上传dao hdfs的文件存放在哪里怎么看呀？

问答 2022-02-15 来自：开发者社区

Hadoop 配置完成后，出现slave无法建立的问题。：报错

[root@namenode1 bin]# ./start-all.sh  starting namenode, logging to /usr/program/hadoop1/libexec/../logs/hadoop-root-namenode-namenode1.out (10.102.10.35)' can't be established. RSA key fingerpri...

问答 2022-02-15 来自：开发者社区

hadoop 主节点什么配置比较好：报错

公司要搭建hadoop集群,想了解主节点,需要什么硬件配置比较好.

问答 2022-02-15 来自：开发者社区

HADOOP_INSTALL配置问题 - 配置报错

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更新时间 2024-05-14 12:35:48

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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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