Tags: CDH cloudera manager Managed Service Host Monitor Service monitorbackgroundfrom the business development requirements, the big data platform needs to use spark as machine learning, data mining, real-time computing and so on, so decided to use Cloudera Manager5.2.0 version and CDH5. Previously built Cloudera Manager4.8.2 and CDH4, when building the
Installation Procedure directory1.1 download the cloudera manager 4.5.1 Free Edition installation package1.2 modify machine configurations1.3 upload cloudera-Manager-installer to the specified directory1.4 modify the permissions of clouder-Manager-instanler1.5 install cloudera Manager1.6 Go To The cloudera Manager inst
backgroundfrom the business development requirements, the big data platform needs to use spark as machine learning, data mining, real-time computing and so on, so decided to use the Cloudera Manager5.2.0 version number and CDH5. Once built Cloudera Manager4.8.2 and CDH4, when building the Cloudera Manager5.2.0 version number, found that the corresponding service
accordinglyCreate the required user account in the Namenode activity nodeIf you are using Hue,linux account and Hue account, you can sync hue Useradmin_sync_with_unixWhen hive permissions are enabled and the Hue and hive clients do not have permission to create a database, I need the client to be able to create data cool, so "Hive-site.xml hive client Advanced Configuration Code snippet (safety valve)" is not Configured, So hiveadmin jar package just
http://www.aboutyun.com/thread-9189-1-1.html here to the hehe. 1. Related catalogue/var/log/cloudera-scm-installer: Install log directory./var/log/*: Related log files (related services and cm)./usr/share/cmf/: Program installation directory./usr/lib64/cmf/: Agent program code./var/lib/cloudera-scm-server-db/data: Embedded Database directory./usr/bin/postgres: Embedded Database program./etc/
http://site.clairvoyantsoft.com/migrate-cloudera-scm-database-from-postgresql-to-mysql/
http://node0:7180/api/v14/cm/deployment--– the correct URL. 1. Discontinue service;
1. In the UI interface, stop the cluster;
2. In the UI interface, stop all services such as CM service,monitor;
3. In Linux, stop Agent service: Service cloudera-scm-agent stop
2. Backup cm configuration, via api--
$ curl-v-u admin:adm
We all know big data about hadoop, but various technologies will enter our field of view: spark, storm, and Impala, which cannot be reflected by us. In order to better construct Big Data projects, let's sort out the appropriate technologies for technicians, project managers, and architects to understand the relationship between various big data technologies and select the appropriate language.We can read this article with the following questions:1. What technologies does hadoop contain?2. What i
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 installation lock ... BEGIN Flock 4This is about half an hour, so turn off SELinux! DisabledIssue 2: Cannot select hostFailed to install, cannot select host againFigure 1solution, you nee
1. Fat Client
Network applications developed in a C/S structureProgramThe client needs to develop dedicated client software for the client. The client is relatively large, and many functions can be implemented on the client to share the burden on the server, which belongs to the fat client type.
2. thin client
For Web applications developed in B/S structure, the client is only a browser, and all business logic is processed by the server. The client is relatively thin, so it is called a th
I. Related software preparation and planning
1, related software and download address:
Cloudera manager:http://archive-primary.cloudera.com/cm5/cm/5/CDH installation package Address: http://archive.cloudera.com/cdh5/parcels/latest/Java Official Download (login required): http://www.oracle.com/technetwork/java/archive-139210.htmlJava versions archive Download (no login required): https://www.reucon.com/cdn/java/MySQL JDBC driver jar pack: http://dev.
Cloudera Manager 5.3.2 and CDH5.3.2 environment Configuration
System Environment
9 DELL R720xd servers (192.168.3.245-253) and 1 r0000master node (192.168.3.243)NIC: 1000 MEach of the nine DELL R720xd servers has 12x4 TB disks.Network Environment IntranetCentOS6.6 x64 (Final)
1. Prepare for uninstallation system comes with OPEN-JDK (all nodes)The installed Centos system sometimes automatically installs OpenJdk. Run the java-version command to view the
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/5.4/(note: Download the corresponding version
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 no bootService Iptables StopChkconfig iptables off2. Set SELinux to Disabled#cat/etc/sysconfig/selinuxSelinux=disabled3. Set up the cl
database user as the database administrator. The default password is blank. We need to change it to the specified password, which is set to 'ipvs'
Enter the following command in the console:
# Su-Postgres
$ Psql
# ALTER USER postgres WITH PASSWORD ‘postgres‘;# select * from pg_shadow ;
# create database david;
# \c david
david=# create table test (id integer, name text);David = # insert into test values (1, 'David'); installation successful. # Env view all environment variable content set envi
1. Cloudera IntroductionHadoop is an open source project that Cloudera Hadoop, simplifies the installation process, and provides some encapsulation of Hadoop.Depending on the needs of the Hadoop cluster to install a lot of components, one installation is more difficult to configure, but also consider ha, monitoring and so on.With Cloudera, you can easily deploy c
CDH cm interface has an unreachable situation, view cloudera-scm-server status
# Service Cloudera-scm-server Status
Cloudera-scm-server dead but PID file exists
Hint Cloudera-scm-server dead# Service Cloudera-scm-server Stop# Service
Use Cloudera QuickStart VM to quickly deploy Hadoop applications without Configuration
Directory:
Download the cloudera-vm image from the CDH website
Use VirtualBox to start a VM
Test and use
System Environment:
Oracle VM VirtualBox 64bit host.1. Download The cloudera-vm image from the CDH website
Select on the website http://www.cloudera.com/content/support
Uninstall cloudera-Manager
sudo /usr/share/cmf/uninstall-cloudera-manager.sh
Always select Yes
After the uninstallation is complete, it will ask you if you want to clean up the data in the database, select Yes
2. Delete the installation directory of cloudera according to the official introduction.
sudo rm -rf /usr/share/cmf /var/lib/
Objectives:
I used cloudera Manager server to install and manage hadoop clusters. I heard that general enterprises use cloudera to install and manage hadoop. I also want to try it. I checked the data for a day and found that cloudera is very mature, in addition, the installation methods of pseudo do distributed and cloudera
Cloudera cdh4 has three installation methods:
1. Automatic Installation through cloudera Manager (only 64-bit Linux operating systems are supported );
2. Use the yum command to manually install the package;
3. Manually install the tarball package;
I personally recommend that you try either method 1 or 2. You should first have a clear understanding of the hadoop architecture, built-in components, and configu
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