cloudera spark

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, configuring, monitoring hostsManagement Servi

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

Recently engaged in the installation of Cloudera Manager, experienced a lot of frustrations, summed up: Also referred to a number of other people's posts such as: http://blog.csdn.net/a921122/article/details/51939692 Http://www.aboutyun.com/forum.php?mod=viewthreadtid=9086extra=page%3D1 http://www.aboutyun.com/forum.php?mod=viewthreadtid=10852highlight=%C0%EB%CF%DF%B0%B2%D7%B0Cloudera% 2BManager The approximate method is feasible. System Environment4

Hive Permissions configuration under Cloudera ManagerTags: Big data Hive permissions 2016-09-05 11:11 138 people read reviews (0) Favorite Report Category: Lot size: Hive/spark/hbas (58) Directory (?) [+] Company operations, BI, and different departments of finance different personnel need hive data query service, so need to assign different permissions to the relevant people Permissions are configured to c

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

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

Reprinted: http://hb.qq.com/a/20110905/001239.htm How to obtain commercial value from data when deploying hadoop in an enterprise without worrying about how to manage the hadoop software framework. To achieve this, Dell and cloudera jointly launched the hadoop solution cloudera enterprise. Cloudera enterprise is the fastest way to analyze a large amount of stru

Spark cultivation (advanced)-Spark beginners: Section 13th Spark Streaming-Spark SQL, DataFrame, and Spark StreamingMain Content: Spark SQL, DataFrame and Spark Streaming1.

Label:Main content Spark SQL, Dataframe, and spark streaming 1. Spark SQL, dataframe and spark streamingSOURCE Direct reference: https://github.com/apache/spark/blob/master/examples/src/main/scala/org/apache/spark/ex

1. Save the RPM package and the necessary dependent files to Linux according to the directory structure. Download URL: e-primary.cloudera.com/cm5/redhat/6/x86_64/cm/5.9.0/ All in Node0. Only agents and daemons are deposited in the node1-3. Parcel incoming Linux/opt/cloudera/parcel-repo, change permissions 755. 2. Backup Http://www.cloudera.com/content/www/zh-CN/documentation/enterprise/5-3-x/topics/cm_ag_db_for_cm_upgrades.html Upgrade Database Consid

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

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

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/

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

/etc/spark/conf/log4j.properties log4j.properties Then copy the/etc/spark/conf directory below the classpath.txt,spark-defaults.conf,spark-env.sh three files to your own Spark conf directory, this example is/opt/spark/ Conf, the f

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.

"Note" This series of articles and the use of the installation package/test data can be in the "big gift--spark Getting Started Combat series" Get 1, compile sparkSpark can be compiled in SBT and maven two ways, and then the deployment package is generated through the make-distribution.sh script. SBT compilation requires the installation of Git tools, and MAVEN installation requires MAVEN tools, both of which need to be carried out under the network,

"Note" This series of articles and the use of the installation package/test data can be in the "big gift--spark Getting Started Combat series" Get 1, compile sparkSpark can be compiled in SBT and maven two ways, and then the deployment package is generated through the make-distribution.sh script. SBT compilation requires the installation of Git tools, and MAVEN installation requires MAVEN tools, both of which need to be carried out under the network,

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

operations: Transform (transformation) Actions (Action) Transform: The return value of the transform is a new Rdd collection, not a single value. Call a transform method, there will be no evaluation, it only gets an RDD as a parameter, and then returns a new Rdd.Transform functions include: Map,filter,flatmap,groupbykey,reducebykey,aggregatebykey,pipe and coalesce.Action: The action operation calculates and returns a new value. When an action function is called on an Rdd objec