1 I want to deploy a custom service onto non hadoop nodes using Apache Ambari. I have created a custom service inside /var/lib/ambari-server/resources/common-services as opposed to Hadoop's folder of: /var/lib/ambari-server/resources/stacks/HDP And
Prerequisite Hadoop 2.2 has been installed (and the below installation steps should be applied on each of Hadoop node) Step 1. Install R (by yum) [hadoop@c0046220 yum.repos.d]$ sudo yum update [hadoop@c0046220 yum.repos.d]$ yum search r-project
Empowering Data Management, Diagnosis, and Visualization of Cloud-Resolving Models (CRM) by Cloud Library upon Spark and Hadoop 使用 Spark and Hadoop建立数据管理.诊断.可视化的一套云判识模型(CRM) 主要有用的有以下几块: 1.Develop Super Cloud Library (SCL) supporting Cloud Resolving M
软件下载 Oracle Big Data Connectors:ODCH 下载地址: http://www.oracle.com/technetwork/bdc/big-data-connectors/downloads/index.html Jave SE 下载地址: http://www.oracle.com/technetwork/java/javase/downloads/jdk6u38-downloads-1877406.html Oracle11g下载地址: Oracle Enter
需要编辑的文件是config/elasticsearch.yml文件 需要配置的项目有: # Use a descriptive name for your cluster: # cluster.name: Hadoop # # ------------------------------------ Node ------------------------------------ # # Use a descriptive name for the node: # #node.name: n
下载两个安装包并解压: 配置jdk环境变量: [root@VM-0-10-centos zookeeper]# cat /root/.bash_profile # .bash_profile # Get the aliases and functions if [ -f ~/.bashrc ]; then . ~/.bashrc fi # User specific environment and startup programs #PATH=$PATH:$HOME/bin:$JAVA_HOME
FAILED: Error in metadata: MetaException(message:Got exception: org.apache.hadoop.ipc.RemoteException org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot create directory /user/hive/warehouse/page_view. Name node is in safe mode. 在安装hive
Hadoop MapReduce Next Generation - Setting up a Single Node Cluster. Purpose This document describes how to set up and configure a single-node Hadoop installation so that you can quickly perform simple operations using Hadoop MapReduce and the Hadoop
运行hadoop程序时,有时候会报以下错误:org.apache.hadoop.dfs.SafeModeException: Cannot delete /user/hadoop/input. Name node is in safe mode 这个错误应该还满常见的吧(至少我运行的时候是这样的) 那我们来分析下这个错误,从字面上来理解: Name node is in safe mode 说明Hadoop的NameNode处在安全模式下. 那什么是Hadoop的安全模式呢? 在分布式文件系统启
今天在hdfs上面创建文件夹的时候报了:org.apache.hadoop.dfs.SafeModeException: Cannot delete /user/hadoop/input. Name node is in safe mode 据资料是说hdfs刚刚启动,还在验证和适配,所以进入安全模式,等一会儿就好了,然后我等了几分钟并没有好..(惊了) 然后找到了解决安全模式的办法: 用户可以通过dfsadmin -safemode value 来操作安全模式,参数value的说明如下: