节点hadoop 的相关内容

问答 2024-06-01 来自：开发者社区

E-MapReduce worker节点/mnt/disk1/log/hadoop-hdfs/...

E-MapReduce worker节点/mnt/disk1/log/hadoop-hdfs/下的log是否可以删除

阿里云文档 2023-09-13

如何在Hadoop、Datascience和EMRStudio集群中管理节点组_EMR on ECS_开源大数据平台 E-MapReduce(EMR)

本文为您介绍如何新增、修改和删除节点组。

问答 2023-01-09 来自：开发者社区

E-MapReduce worker节点/mnt/disk1/log/hadoop-hdfs/下的l

E-MapReduce worker节点/mnt/disk1/log/hadoop-hdfs/下的log是否可以删除

文章 2022-12-02 来自：开发者社区

HBase的Dead节点问题&&Hbase创建表时报“org.apache.hadoop.hbase.PleaseHoldException: Master is initializing”错误

记录一下无语的找bug过程感谢wls！！！！！！！！！！！！！！！！！！！！！第一个问题是Hbase打开后节点立刻Dead掉原因：可能是三个虚拟机的时间不统一首先查看三个虚拟机的时间date如果发现不一致，先安装ntpdate工具yum -y install ntp ntpdate然后设置系统时间和网络时间同步ntpdate 0.asia.pool.ntp.org最后将系统时间写入硬件，不然的话....

文章 2022-02-16 来自：开发者社区

在Docker上建立多节点的Hadoop集群

现在我们提高门槛，在Docker上创建一个多点hadoop集群。在开始前，确保你有最新的Ambari镜像： docker pull sequenceiq/ambari:latest 一行命令一旦你得到了最新的镜像，你就可以启动Docker容器。我们已经创建了几个shell 函数来帮你输入Docker命令，从而避免输入像docker run [options] im...

文章 2022-02-16 来自：开发者社区

5节点Hadoop分布式集群搭建经验分享

本文章我们使用hadoop2.6.0版本配置Hadoop集群，同时配置NameNode+HA、ResourceManager+HA，并使用zookeeper来管理Hadoop集群。 1.1 写在前面的话 1.2 (一)HDFS概述 1.2.1 基础架构 1、NameNode(Master) 1)命名空间管理：命名空间支持对HDFS中的目录、文件和块做类似文件系统的创建、修改、删除、列表文件和目录....

文章 2022-02-16 来自：开发者社区

在 Docker 上建立多节点的 Hadoop 集群【已翻译100%】

在上篇文章中你已经看到了在你的devbox创建一个单点Hadoop 集群是多么简单。现在我们提高门槛，在Docker上创建一个多点hadoop集群。在开始前，确保你有最新的Ambari镜像： docker pull sequenceiq/ambari:latest 一行命令一旦你得到了最新的镜像，你就可以启动Docker容器。我们已经创建了几个shell 函数来帮你输入Docker命令，从.....

文章 2022-02-16 来自：开发者社区

datenode节点超时时间设置，Hadoop启动不正常,HDFS冗余数据块的自动删除,NameNode安全模式问题,ntp时间服务同步,机架感知配置

1.Hadoop datanode节点超时时间设置 datanode进程死亡或者网络故障造成datanode无法与namenode通信，namenode不会立即把该节点判定为死亡，要经过一段时间，这段时间暂称作超时时长。HDFS默认的超时时长为10分钟+30秒。如果定义超时时间为timeout，则超时时长的计算公式为： &nb...

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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