cloudera quickstart

Course Outline and Content introduction:About 35 minutes per lesson, no less than 40 lecturesThe first chapter (11 speak)• Distributed and traditional stand-alone mode· Hadoop background and how it works· Analysis of the working principle of MapReduce• Analysis of the second generation Mr--yarn principle· Cloudera Manager 4.1.2 Installation· Cloudera Hadoop 4.1.2 Installation· CM under the cluster managemen

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

[Hadoop] 5. cloudera manager (3) and hadoopcloudera installed on HadoopInstall Http://blog.sina.com.cn/s/blog_75262f0b0101aeuo.html Before that, install all the files in the cm package This is because CM depends on postgresql and requires postgresql to be installed on the local machine. If it is installed online, it is automatically installed in Yum mode. Because it is offline, postgresql cannot be installed automatically. Check whether postgresql

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 firewall and login authentication; In a narrow

Why reboot:Suddenly found Clouderamanager's WebUI can't visit ...I used netstat to look at my WebUI listening port, found that more than close_wait, on-line check is the socket closed there is a problem caused by n multiple hang links.Reasons and how to resolve:Looking for a long, did not find a good way, had to restart the CDM to solve. If you have a better way, please leave a message ha.To restart the script:/opt/cloudera-manager/etc/init.d/

", attr{type}==" 1 ", kernel==" eth* ", name=" eth1 "Record the MAC address of the eth1 Nic 00:0c:29:50:bd:17Next, open the/etc/sysconfig/network-scripts/ifcfg-eth0# Vi/etc/sysconfig/network-scripts/ifcfg-eth0Change device= "eth0" to Device= "eth1",Change the hwaddr= "00:0c:29:8f:89:97" to the MAC address above hwaddr= "00:0c:29:50:bd:17"Finally, restart the network# Service Network RestartOr#/etc/init.d/network RestartIt's normal.This article is from the Linux commune website (www.linuxidc.com

First, the cluster machine configuration informationCloudera Cluster Machine:10.2.45.104 Gbd000.localdomain GBD00010.2.45.105gbd101.localdomaingbd10110.2.45.106gbd102.localdomaingbd10210.2.45.107gbd311.localdomaingbd31110.2.45.108gbd312.localdomaingbd31210.2.45.109gbd313.localdomaingbd31310.2.45.125 gbd314.localdomaingbd31410.2.45.126 gbd315.localdomaingbd315Where 10.2.45.105 gbd101.localdomain GBD101 is NamenodeZookeeper Cluster machine:10.2.45.105 Gbd101.localdomain GBD10110.2.45.106gbd102.loc

To standardize hadoop configurations, cloudera can help enterprises install, configure, and run hadoop to process and analyze large-scale enterprise data. For enterprises, cloudera's software configuration does not use the latest hadoop 0.20, but uses hadoop 0.18.3-12. cloudera. ch0_3 is encapsulated and integrated with hive provided by Facebook, pig provided by Yahoo, and other hadoop-based SQL implementa

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 network configuration (/etc/sysconfig/network

Cloudera Certified Administrator forapache Hadoop (CCA-500)Number of Questions:QuestionsTime Limit:minutesPassing Score:70%Language:中文版, JapaneseExam Sections and Blueprint1. HDFS (17%) Describe the function of HDFS daemons Describe the normal operation of a Apache Hadoop cluster, both in data storage and in data processing Identify current features of computing systems, motivate a system like Apache Hadoop Classify major goals of HDFS Desig

Basic Environment: Linux centos7.21. Cloudera Manager:Http://archive-primary.cloudera.com/cm5/cm/5/cloudera-manager-centos7-cm5.14.0_x86_64.tar.gz2, cdh5.14.0:Http://archive.cloudera.com/cdh5/parcels/5.14.0/CDH-5.14.0-1.cdh5.14.0.p0.24-el7.parcelHttp://archive.cloudera.com/cdh5/parcels/5.14.0/CDH-5.14.0-1.cdh5.14.0.p0.24-el7.parcel.sha1Http://archive.cloudera.com/cdh5/parcels/5.14.0/manifest.json3. JDK:Http

During the installation of CDH using Cloudera Manager, it was discovered that the installation process card was assigned parcel to a slave machine.Check agent log found the following error:... Mainthread Agent ERROR Failed to handle Heartbeat Response ...The error alarm said "processing heartbeat response failure", see the alarm message first thought is the network problem?The network connection between the machines was checked and no proble

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 PostgreSQL, copy the Postgres jdbc jar file to the hive lib directory.Upload files Uploadhive-0

This article describes Cloudera Manager configuration Hive Metastore1, environmental information2, configuring HA for Namenode 1, environmental informationEnvironment information for deploying cdh5.x articles based on Cloudera MANAGER5 installation. 2, configuring HA for Namenode2.1. Enter the HDFs interface and click "Enable High Availability" 2.2, enter the Nameservice name, set here as: Nameservice1,

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 production environments.Cloudera Manager simplifies the installation and configuration management of the host, Hadoop, Hive, and spark serv

The following pit Daddy deployment requirements completed within a week, I was drunk.jdk:1.8Cloudera Manager 5.6.0.1HBase Version 1.0.0Hadoop Version 2.6.0, revision=c282dc6c30e7d5d27410cabbb328d60fc24266d9ZookeeperHive,Hue,Impala 2.1.0OozieSpark 1.6.1Sqoop 2ZookeeperScalar 2.10RESTful API---------------------------------------Official documentsHttp://www.cloudera.com/downloads/manager/5-6-0.htmlUnofficial documentsHttp://www.it165.net/database/html/201604/15043.htmlHttp://wenku.baidu.com/link?u

Setup Alert Email Settings:650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/54/11/wKiom1R25hvBMQhGAAdv63Ms4VQ295.jpg "style=" float: none; "title=" snap6.jpg "alt=" Wkiom1r25hvbmqhgaadv63ms4vq295.jpg "/>650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/54/10/wKioL1R25qDQt7WHAAMsfmMcfIo408.jpg "style=" float: none; "title=" snap8.jpg "alt=" Wkiol1r25qdqt7whaamsfmmcfio408.jpg "/>Disable sending Usage and Diagnostic Data to Cloudera650) this.width=650; "src=" http://s3.51cto.com/

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

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/hadoop MAVERICK-CDH3 Contrib Add GPG Key, execute Curl-s Http://archive.cloudera.com/debian/archive.key | sudo apt-key a

An efficient project startup method, Quickstart, is used to confirm that the key driver of the Project is understood before the project starts. Liv wild from thoughtworks UK introduced the concept and practice of quickstart to the audience. HOST: Liv wild is invited to give a keynote speech entitled "quick start ". Liv wild: This afternoon I will talk about requirement collection, especially agile. I hope