cloudera hadoop installation

This document describes how to manually install the cloudera hive cdh4.2.0 cluster. For environment setup and hadoop and hbase installation processes, see the previous article.Install hive Hive is installed on mongotop1. Note that hive saves metadata using the Derby database by default. Replace it with PostgreSQL here. The following describes how to install Postg

Clouderacloudera Company mainly provides Apache Hadoop Development Engineer Certification (Cloudera certifieddeveloper for Apache Hadoop, CCDH) and ApacheFor more information about the Hadoop Management Engineer certification (Cloudera certifiedadministrator for Apache

.rpmAfter installation, if the service MySQL start did not start successfully, reported error 2002 can not find any *.pid, then use the Mysqld_safe command to start, and then see MySQL started. Set MySQL to boot: chkconfig mysqld on This installation requires the creation of the following database (excluding Cloudera Manager's database,

free Cloudera Express, in the early version of the Express version only allowed 50 nodes, there is no such restriction. After the selection is complete, the Express version relies on a simple introduction to the following: Since the agent was started, we specified the IP of the manger host through the configuration file, so we can find that the manager has taken over 5 hosts Additional hosts this can also be automa

Services:haddoop components that can be deployed on cluster, such as Hdfs,yarn,hbase.Roles: When the service is configured, it is created by Cloudera Manager. For example, Namenode is a role of the HDFs service.Role group: The management of role can divide the same category of roles (such as datanode) into different role groups. Each role group can have its own series of configurations.Role Instance: A single instance (which can be considered a proces

Why does Cloudera need to create a Hadoop security component Sentry?1. Big Data Security System To clarify this issue, we must start from four levels of the big data platform security system: Peripheral Security, data security, access security, and access behavior monitoring, as shown in; Peripheral Security technology refers to the network security technology mentioned in the traditional sense, such as fi

Deployment environment os:ubuntu12.04 Server Hadoop:cdh3u6 Machine list: Namenode 192.168.71.46;datanode 192.168.71.202,192.168.71.203,192.168.71.204 Installing Hadoop Add a software source /etc/apt/sources.list.d/cloudera-3u6.list Insert Deb Http://192.168.52.100/hadoop MAVERICK-CDH3 Contrib DEB-SRC Http://192.168.52.100/

segment I/O operations, rather than an audit trail of a database. Therefore, it is possible to understand the activity only by providing different levels of monitoring to be able to audit activities that enter directly through the lower points in the stack.Hadoop Activity MonitoringThe events that can be monitored include:• Session and user information.HDFs Operations – commands (cat, tail, chmod, chown, expunge, and so on).MapReduce Jobs-Jobs, actions, permissions.• Exceptions, such as authori

Installation version hadoop-2.0.0-cdh4.2.0hbase-0.94.2-cdh4.2.0hive-0.10.0-cdh4.2.0jdk1.6.0_38Instructions before installation The installation directory is/OPT. Check the hosts file Disable Firewall Set Clock Synchronization Instructions for use After hadoop, hbase, an

Cloudera VM 5.4.2 How to start Hadoop services1. Mounting position/usr/libhadoopsparkhbasehiveimpalamahout2. Start the first process init automatically, read Inittab->runlevel 5start the sixth step --init Process Execution Rc.sysinitAfter the operating level has been set, the Linux system performsfirst user-level fileIt is/etc/rc.d/rc.sysinitScripting, it does a lot of work, including setting path, setting

the hive's metadata store, and hive does not have a MySQL driver by default and copies one via the following command:cp /opt/cm-5.3.4/share/cmf/lib/mysql-connector-java-5.1.25-bin.jar /opt/cloudera/parcels/CDH-5.3.4-1.cdh5.3.4.p0.12/lib/hive/lib/You will not encounter any problems after you continue with the installation.After a long wait, the installation of the service is complete:After the

1. Cloudera ManagerCloudera Manager is an end-to-end application that manages CDH.Role– Management– Monitoring– Diagnostics– Integration• architecture　　　　　　Server– Management Console server and application logic– Responsible for software installation, configuration, start-up and stop services– Management Service runs the clusterAgent– Installed on each host– Responsible for starting and stopping processes,

System Environment Operating system: CentOS 6.5 Cloudera Manager Version: 4.8.1 CDH Version: 4.5.0 Each machine preparation work: Yum-y Groupinstall "Development tools" yum-y install wget Cloudera-manager Zip package Address: http://archive.cloudera.com/cm4/cm/4/cloudera-manager-el6-cm4.8.1_x86_64.tar.gz CDH Download Address: http://archive.cloudera.com/cdh4/pa

When we are in the process of downloading, the following figure If our network is good, download success, as shown below. However, we have interrupted the download process, we are not back to the download interface, Instead, it enters the following interface: How do we get cloudera-agent back? Execute the following command: sudo apt-get remove Avro-tools crunch flume-ng hadoop-hdf

local Yum software source installation Cloudera Manager 5 Cloudera Manager 5 (hereinafter referred to as cm) by default online installation, to the Internet or network is not easy to bring users inconvenience, due to network problems, repeated failure of the frustration, so that the first learning CDH users really e

During the installation process, due to network terminal, the following problems are caused:Issue 1: Installation stops getting the installation lock/tmp/scm_prepare_node.tylmpfrtUsing Ssh_client to get the SCM hostname:172.16.77.20 33950 22Opening logging File descriptorstarting installation Script ... getting

Offline installation of Cloudera Manager Express--------------------------------# # #一, Installation Prerequisites # # #1. IP Address arrangement:#cat/etc/hosts222.31.101.11cdh5-nn1222.31.101.13cdh5-dn1222.31.101.14cdh5-dn2222.31.101.16Cdh5-dn3# # #二, installation steps # # #1. Turn off the firewall and set the boot to

Original articles, reproduced please specify: Reproduced from http://www.cnblogs.com/tovin/p/4689422.htmlThis article describes the installation steps for CM5.4 in CentOS 6I. Building a yum Warehouse1, build a Web server, the specific steps omitted2, download cm, CDH parcels bagDownload cm RPM Package: wget-r-L-NP http://archive.cloudera.com/cm5/redhat/6/x86_64/cm/5.4/Download CDH Parcels Package: Wget-r-L-NP http://archive.cloudera.com/cdh5/parcels/5

Exception Resolution 1, 401 Unauthorized:error Failed to connect to newly launched supervisor. Agent would exit this is because after the agent is started on the master node, and the agent SCP to the other nodes, the first time you start the agent, it will generate a UUID, the path is:/opt/cm-xxx/lib/cloudera-scm-agent/uuid, In this way, each machine on the agent's UUID is the same, there will be a situation of disorder. Solution: Delete all files

Original address: http://blog.csdn.net/a921122/article/details/51939692 File Download CDH (Cloudera's distribution, including Apache Hadoop), is one of the many branches of Hadoop, built from Cloudera maintenance, based on the stable version of Apache Hadoop, and integrates many patches, Can be used directly in prod