cloudera cdh

restart to take effect)Selinux=disabled5. Install NTP serviceSu RootYum Install-y NTPYum Install-y ntpdateVi/etc/ntp.confMain changes restrict and NTP server specific BaiduSystemctl Start NTPDSystemctl Enable NTPDNtpdate-u pool.ntp.orgNtpdate-u h1046. Install MySQLRPM-IVH mysql-community-release-el7-5.noarch.rpmYum Install Mysql-serverSystemctl Start Mysqld.serviceSystemctl Enable Mysqld.serviceMysql-u RootUse MySQL;Update user set Password=password (' 123456 ') where user= ' root ';Grant all o

The company has a spark on yarn cluster, built based on cm5.2.0+cdh5.2.0, and the version of Spark is 1.1.0. To use some of the features of Spark1.2.0, decide to upgrade the cluster version to cm5.3.3+cdh5.3.3. CM is upgraded because the version number of CM must be greater than or equal to the version number of CDH. The following two steps describe the upgrade process: CM Upgrade and CDH upgrade.1 cm Upgra

Document directory Motivation Motivation Preface I have been in contact with hadoop for two years and encountered many problems, including classic namenode and jobtracker memory overflow faults, HDFS storage of small files, and task scheduling problems, there are also mapreduce performance problems. some of these problems are hadoop's own defects (short board), while others are improper. In the process of solving the problem, you sometimes need to turn to the source code, and sometimes ask c

sharing patterns and data types.Provides an abstract table so that users do not need to focus on the way and address of the data store.Provides interoperability for data processing tools like pig, MapReduce, and hive.--------------------------------------------------------------------------------------------------------------- ---------------------------------Chukwa:Chukwa is a large cluster monitoring system based on Hadoop, which is contributed by Yahoo.---------------------------------------

Su-HDFS Pi estimator testing: Time hadoop JAR/opt/cloudera/parcels/CDH/lib/hadoop-mapreduce/hadoop-mapreduce-examples.jar PI 10 100 Teragen/terasort/teravalidate testing: 1. Time hadoop JAR/opt/cloudera/parcels/CDH/lib/hadoop-mapreduce/hadoop-mapreduce-examples.jar teragen 10485760000/user/hduser/input #10,485,760,000

ObjectiveTwo years of contact with Hadoop, during the period encountered a lot of problems, both classic Namenode and jobtracker memory overflow failure, also has HDFS storage small file problems, both task scheduling problems, There are also mapreduce performance issues. Some of these problems are the flaws of Hadoop itself (short board), and some are inappropriate to use.In the process of solving the problem, sometimes need to turn over the source code, sometimes to colleagues, netizens consul

There are many versions of Hadoop, and here I choose the CDH version. CDH is the Cloudera company in Apache original base processed things. The specific CHD is:http://archive-primary.cloudera.com/cdh5/cdh/5/The version information is as follows:Hadoop:hadoop 2.3.0-cdh5.1.0jdk:1.7.0_79maven:apache-maven-3.2.5 (3.3.1 and

that users do not need to focus on the way and address of the data store. Provides interoperability for data processing tools like pig, MapReduce, and hive. Chukwa: Chukwa is a large cluster monitoring system based on Hadoop, which is contributed by Yahoo. Back to top Cloudera Series products: Founding organization: Cloudera Company 1.Cloudera Manager: There ar

1. Local Operation error and solutionWhen you run the following command:./bin/spark-submit --class Org.apache.spark.examples.mllib.JavaALS --master local[*] /opt/cloudera/ Parcels/cdh-5.1.2-1.cdh5.1.2.p0.3/lib/hadoop-yarn/lib/spark-examples_2.10-1.0.0-cdh5.1.2.jar /user/data/ Netflix_rating 10/user/data/resultThe following error will appear:Exception in thread "main" Java.lang.RuntimeException:java.

directly imported to eclipse. 2. cloudera hadoop 2.1 CDH version Evolution The current version management of Apache is chaotic, and various versions emerge one after another, making many beginners confused. In contrast, cloudera has a lot to do with hadoop version management. We know that hadoop complies with the Apache open-source protocol and users can freely

Cdh5hadoopredhat local repository ConfigurationCdh5 hadoop redhat local repository Configuration Location of the cdh5 Website: Http://archive-primary.cloudera.com/cdh5/redhat/6/x86_64/cdh/ It is very easy to configure pointing to this repo On RHEL6, As long: Http://archive-primary.cloudera.com/cdh5/redhat/6/x86_64/cdh/cloudera-cdh5.repo Download and store it loca

installation and deployment notes-HBase full distribution mode installation Detailed tutorial on creating HBase environment for standalone Edition Reference documentation (hortonworks will be short for hdp; cloudera is cdh ): 1. Create a system template. Because I found the centos6.5 template in openvz, we tried to keep it consistent with production in the test environment, so we should use CentOS6.3, note

download path and download it to the program .) After the installation is complete, the system prompts you to enable http: // localhost: 7180.Deploy hadoop The root user in ubuntu does not have a password. You can set a password for sudo passwd root. Ubuntu does not have openssh-server by default. Use sudo apt-get install openssh-server to install it. You need to test whether ssh localhost is valid. Host does not seem to allow an IP address to correspond to multiple host names. edit/etc/hosts t

LOGS17/05/12 18:08:42 INFO http. Httpserver:jetty bound to Port 909517/05/12 18:08:42 INFO mortbay.log:jetty-6.1.26.cloudera.417/05/12 18:08:42 WARN mort Bay.log:Can ' t reuse/tmp/jetty_0_0_0_0_9095_thrift____.vqpz9l, Using/tmp/jetty_0_0_0_0_9095_thrift____.vqpz9l_ 512017503248018505817/05/12 18:08:43 Info mortbay.log:Started [EMAILNBSP;PROTECTED]:909517/05/12 18:08:43 Info Thrift. Thriftserverrunner:starting tboundedthreadpoolserver on/0.0.0.0:9090

Hadoop is a complex system mix and it's a hassle to build a Hadoop environment for production. But there are always some cows in this world who will help you solve some seemingly painful problems, if not now, that is sooner or later. CDH is the Cloudera of the Hadoop set environment, CDH related to the introduction please see www.cloudera.com, I will not say more

/asf/hadoop/common/branches/, which can be directly directed to eclipse.2. Cloudera Hadoop2.1 CDH Version derivationApache Current version management is more chaotic, various versions of endless, so many beginners at a loss, in contrast, Cloudera Company's Hadoop version management to a lot.We know that Hadoop complies with the Apache Open source protocol, and us

Applicable scenarios:1. Application servers in large clusters can only be accessed by intranet2. Want to maintain a stable local repository, to ensure uniform installation of member servers3. Avoid poor access to foreign yum sources or domestic source networksServer configuration: Create an application local Yum source configuration file to ensure network access to the public network source, taking CDH as an example [Email protected] ~]#

/image/20130808/2244232J0-4.jpg "/>Install the version cdh4, and so on, and then the installation page of the Read bar. here, like installing cloudera-manager, the yum source file is directly interrupted, then the system will kill the yum process and close the page. To view the download software connection http://archive.cloudera.com/cdh4/redhat/6/x86_64/cdh/4/download the rpmpackage 650) this. width = 650;

://mirrors.sohu.com/centos/ ReLeaseveR/os/ basearch/Gpgcheck=1Gpgkey=file:///etc/pki/rpm-gpg/rpm-gpg-key-centos-64, Error:rpmts_HdrFromFdno:headerRead Failed:hdr blob (982592): Bad, read returned 32296The main reason for a lot of mistakes here is that the RPM package is broken, and I'll just download it all.5, CDH installation failed, unable to authenticatePerhaps we have previously configured the root user to do a secret key, we want to al

-0.20.2/conf/hadoop-env.sh # Extra Java runtime options. Empty by default.# Export HADOOP_OPTS =-server Change: Export HADOOP_OPTS = "-Djava.net. preferspon4stack = true-Dsqoop. shim. jar. dir =/home/hadoopuser/sqoop-1.1.0/shims" Note: Sqoop is currently unavailable in Apache version Hadoop 0.20.2. Currently, only CDH 3 beta 2 is supported. So if you want to use it, you have to upgrade it to CDH 3 beta 2. "