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Ii. Installing Hadoop and the services it needs1. CDH Installation OverviewCDH's full name is Cloudera's distribution including Apache Hadoop, a Hadoop distribution version of Cloudera Corporation. There are three ways of installing CDH:. Path A-Automatic installation via Cloudera Manager. Path B-Installation using Cloudera Manager parcels or packages. Path C-Man

comprehensive release. 2.3.4 download path Based on the above considerations, we recommend that you use the latest version of cdhx (equivalent to the stable version of Apache hadoop) at http://archive.cloudera.com/cdh5/cdh/5 /.2.4 introduction to the release version of hortonworks hadoop HDP is a relatively new version, which is basically synchronized with Apache at present, because most employees in hortonworks are contributors to Apache Code, especially those of hadoop 2.0. Note: [1]

The OS version is centos6.5, And the 64-bit JDK 1.6 also supports python 2.6 or later versions of JDK 1.7. Before installation, disable serviceiptablesstopchkconfigiptablesoff to disable SELINUXvietcselin. Version Conventions: operating system version centos6.5, the 64-bit jdk1.6 version also supports jdk1.7 python version 2.6 or 2.7 cluster version cdh5.3.2 cloudera manager 5.3 mysql5.0 or later versions. Before installation, the firewall is disabled

and configure it to use port 80. After configuring the http server, you can configure path addresses in the "http: //" format in the yum source, for example: Baseurl = Signature: Second hurdle: cloudera console installation error-Incorrect http path After configuring the yum source and executing the binfile on the cloudera console, the following error is returned: View the error log as prompted: [Root @ m

First, pre-preparation1. Operating system version# Cat/etc/redhat-releaseCentOS Release 6.5 (Final)# Uname–aLinux enc-bigdata05 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 03:15:09 UTC x86_64 x86_64 x86_64 gnu/linux2. Pre-Software preparation2-1. JDK Version: jdk-7u80-linux-x64.tar.gz[jdk1.7.80] [1]2-2. mysql version: mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz[Mysql-5.7.17-x86_64] [2][All versions of MySQL] [3]2-3. Cloudera Manager Version:

1. Prepare Ubuntu offline source and configure/etc/apt/source. listPrepare Cloudera Hadoop offline source and configure/etc/apt/source. list. d/cloudera. list. Synchronize/etc/hosts of the Cluster Ssh password-free logon. The machine on which cloudera-scm-server is located can log on to other cloudera-scm-agent machi

operations: Disable Firewall Chkconfig iptables off Service iptables stop You must set selinux = disabled in/etc/SELINUX/config through Cloudera Manager installer. You need to restart the machine. Sed-I "s/SELINUX = enforcing/SELINUX = disabled/g"/etc/selinux/config Configure sohu source 163 Cd/etc/yum. repos. d/ # Centos5 Wget? Http://mirrors.163.com/.help/CentOS5-Base-163.repo # Wget? Http://mirrors.sohu.com/help/CentOS-Base-sohu.repo

Three cluster nodes 192.168.1.170 CDH-Master Cdh-slave-1 192.168.1.171 Cdh-slave-2 192.168.1.171 1. Install centos6.5 (64-bit) and set up the basic environment, including: (1) Add sudo Permissions (2) modify the host name, gateway, static IP address, and DNS (3) Disable SELinux and Firewall Refer to the article (4) modify the system time zone and configure the NTP service (select the host machine to configure the NTP server, refer to the article) 2. Clone the three hosts and modify static IP add

http://blog.csdn.net/wulantian/article/details/42706777CDH5. x Full Uninstall Step # by coco# 2015-01-141. Close all services in the cluster.This can be done by Clouder Manger home page to close the cluster.2. Uninstall [[email protected] ~]#/usr/share/cmf/uninstall-cloudera-manager.sh Note: If uninstall-cloudera-manager.sh is not installed in the cluster, uninstall it using the following command: a, sto

Recent projects need to use Oozie Workflow scheduling hivesql, found unable to execute query statements, see: https://community.cloudera.com/t5/Batch-Processing-and-Workflow/ oozie-hive-action-failed-with-wrong-tmp-path/td-p/37443 this, the culprit is CDH bug, need to upgrade the version.Upgrade steps:1. Querying a service on a single nodeService--status-allFound only cloudera-scm-agent, no cloudera-scm-ser

1, it is in the installation of CDH can not be installed successfully, only restart, the following to share an artifact, according to this script should be almost able to uninstall clean, and then reinstall, write a script, the content is as follows, life-saving artifact:#!/bin/Bashsudo/usr/share/cmf/uninstall-cloudera-Manager.shsudo Service Cloudera-scm-Server Stopsudo Service

Impala online documentation describes Impala ODBC interface installation and configuration http://www.cloudera.com/content/cloudera-content/cloudera-docs/CDH5/latest/Impala/ Installing-and-using-impala/ciiu_impala_odbc.html Impala ODBC Driver: http://www.cloudera.com/content/support/en/downloads/connectors.html This paper explains the installation and use of Impala ODBC in centos-6.5-x86_64 environment. F

Install cloudera-managerin go.cloudera.comcloudera-standard-download.html download the cloudera-manager-installer.bin after downloading it to set the Execute Permission chmod + x. cloudera-manager-installer.bin to run with root permission, sudo ?. Cloudera-manager-installer.bin step by step Install

1, the deployment of basic information Description: 1.1, host information operating system: Select CentOS6.7 x86-64 version mem:64gb,cpu:e5-2630 v3 @ 2.40GHz, disk:2tb*4 (data node storage, except the operating system) host information: Host name IPdcnn1 10.20.20.1dcnn2 10.20.20.2dcdn01 10.20.20.3dcdn02 10.20.20.4dcdn03 10 .20.20.51.2, CDH version information clouderamanager:cm5.7.2cdh:cdh5.7.2 version2. Deployment Step 2.1 Download the installation package CM parcel Offline installation package