cdh releases

One: the preparatory work1. Steps1) Hadoop-"Download Unzip"-"Modify the configuration file-"hadoop-envJava_home-"Core-siteFs.defaultfsHadoop.tmp.dir-"Hdfs-siteDfs.replicationPermission-"Mapred-siteMapreduce.frame.workHistoryserver-"Yarn-siteMapreduce-"ShuffleResourceManager Address: 0.0.0.0Log Aggregation-"yarn-envJava_home-"SlavesDatanode/nodemanager hostname-"FormattingBin/hdfs NAMENODE-FORMATF-"Start2) Hive-"Download Unzip"-"Create Data Warehouse"/user/hive/warehouse-"Modify the configuration

-* ' check: Rpm-qa ' cloudera-manager-* ' boot cm server database: sudo service cloudera-scm-server-db start Start cm Server:sudo service cloudera-scm-server start login http://172.20.0.83:7180/Install agent upgrade If you upgrade the JDK, the hbase shell will not be available. You need to reboot the CDH after java_home upgrade cm. CDH Upgrade stop cluster all services backup Namenode meta data: Enter Namen

Manager installation process. In addition, some CDH services use databases and is automatically configured to use a default database. If you plan to use the embedded and default databases provided during the Cloudera Manager installation, see installation Path a-automated installation by Cloudera Manager.Although the embedded database is useful for getting started quickly, you can also use your ownPostgreSQL, MySQL, or Oracle databaseFor the Cloudera

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 Cloudera Manager5.2.0 version, found that the corresponding service Host monitor and service monito

/local/lib6. Installing and configuring HadoopMaster and slaveTar zxvf hadoop-2.5.0-cdh5.4.8.tar.gzmv hadoop-2.5.0-cdh5.4.8/usr/hadoopcd/usr/hadoopmkdir-p tmpcd/usr/hadoop/mv Bi N bin-mapreduce2/ln-s Bin-mapreduce1 binmv example Example-mapreduce2 ln-s example-mapreduce1 examplecd etc/mv Hadoo P Hadoop-mapreduce2ln-s Hadoop-mapreduce1 Hadoop7. Add a Hadoop environment variableVim/etc/profile Export Hadoop_home=/usr/hadoop export path= $PATH: $HADOOP _home: $HADOOP _home/binsource/etc/profile8. G

When I deleted a hive table today, I found that the HDFS space was not released. At first I thought it was a problem to delete the table. The results were not found on HDFS, the final result is that the CDH namenode has a file system spam interval setting. The default setting is one day. That is to say, it takes one day to delete the deleted file.Configuration, hoping to help people with the same questions. 650) This. width = 650; "src =" http://s3.51

error log in the corresponding error log on the installation prompt and check the corresponding error logs.Regardless of whether the installation is successful, the. rpmnew file is added to the corresponding/ETC/YUM.REPOS.D directory, and this file is generally linked to the remote warehouse address of the download cm, which is removed after continuing the retry installation.File:///C:/Users/WANGLI~1/AppData/Local/Temp/OICE_F1CC53DF-AFC8-4B3A-B9F7-A2FBB9833C1E.0/msohtmlclip1/01/clip_image028.pn

"alt =" wkiol1o1hhhrl7qiaafutgnnxv8362.jpg "/> However, during subsequent use and testing, it was found that the use of hue to access hive was unstable, and the MetaStore information on the left side was always unable to be loaded. there were basically two errors when I checked the logs of hiveserver2, one is thrift-related connection exceptions, and the other is outofmemory. 650) This. width = 650; "src =" http://s3.51cto.com/wyfs02/M01/38/FC/wKiom1O1H_mS-zofAA0P9gu4Xy4579.jpg "style =" flo

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 Cloudera-scm-server StatusCloudera-scm-server is stopped Delete Cloudera-scm-server.pid# Rm/var/run/cloudera-scm-server.pid Service Cloudera-scm-server-db StartDoes not start properly cloudera-scm-server-dbWaiting fo

Carbondata is a new type of tabular file format for distributed computing, this time using Spark-thrift mode to operate Carbondata, briefly describes how to start Spark-carbondata-thriftserver. version CDH 5.10.3 spark 2.1.0 carbondata 1.2.0 download spark https://archive.apache.org/dist/spark/spark-2.1.0 /spark-2.1.0-bin-hadoop2.6.tgz Carbondata https://dist.apache.org/repos/dist/release/carbondata/1.2.0/ Apache-carbondata-1.2.0-source-release.zip ca

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

Iframe dynamically creates and releases memory, and iframe dynamically releases Recently, I participated in the development of a project. Because the project is a browser-based fat client (RIA) application, iframe is frequently called on the page. Later tests showed that the browser memory remains high, and the larger the memory usage when the iframe page is opened, the more obvious it is in IE browsers. Ev

Comparison of five Linux releases, Linux releasesUbuntu Whether you are a new user planning to get your first computer, or someone migrating from Windows or Mac OS X, Ubuntu shoshould be your first choice. it's extremely easy to install and manage; everything just works out of the box. there are hundreds and thousands of applications available for Ubuntu users, which makes it even more appealing. and the Ubuntu community is extremely friendly so if yo

components of the entire Hadoop ecosystem, and deep optimization, recompile to a complete high-performance big Data universal computing platform, to achieve the organic coordination of the components. As a result, DKH has up to 5 times times (maximum) performance gains in computing performance compared to open-source big data platforms. Dkhadoop simplifies the management and operation of the cluster by simplifying the complex large data cluster configuration to three nodes (master node, managem

1 、--in the packaging release Springboot, first in the Pom.xml springboot embedded Tomcat removed, so that when packaging will not hit the Tomcat jar packageAs shown below:If you also need inline tomcat, set the Tomcat scope scope to prividedAs shown below:2 、--Pack The Springboot into a war directly after deploying to Tomcat's WebApps, the following problems are encounteredWant to access the project directly through the IP address, but found that the project executed two times in Tomcat boot, t

Before releasing memory# free-mTotal used free shared buffers Cachedmem:7831 7704 127 0 256 6813-/+ buffers/cache:634 7197swap:7999 0 7999Sync echo 1 >/proc/sys/vm/drop_cachesSync echo 2 >/proc/sys/vm/drop_cachesSync echo 3 >/proc/sys/vm/drop_cachesAfter releasing memory# free-mTotal used free shared buffers Cachedmem:7831 365 7466 0 0 18-/+ buffers/cache:346 7485swap:7999 0 7999This article is from the "LIHONGWEIBJ" blog, make sure to keep this source http://lihongweibj.blog.51cto.com/623503

Based on transparency, choice and trust, Mozilla is committed to enabling Firefox to span multiple platforms, multiple devices, or multiple operating systems, in addition to providing a great experience. and Mozilla and Canonical today updated the relationship between the two sides, let Ubuntu continue to Firefox as its default browser. Mozilla is honored to have partnered with Ubuntu for more than 10 years. Canonical's background is similar to that of Mozilla, and is open source and relies on c

Currently, there are three main versions of Hadoop that are not charged (all foreign vendors), respectively:Apache (the most original version, all distributions are improved based on this version), the Cloudera version (Cloudera ' s distribution including Apache Hadoop, abbreviated CDH), Hortonworks version ( Hortonworks Data Platform, referred to as "HDP") Hortonworks Hadoop differs from other Hadoop distributions (such as Cloudera) in that Hortonwo

Is it really useful to pack all releases like Snap and Flatpak?GuideThe new Linux technology like Lightbot naturally raises the question: what are the advantages/disadvantages of an independent package? Does this give us a better Linux system? What is the motive behind it? In-depth observation of the next-generation packaging format penetration into the Linux EcosystemRecently, we have heard more and more messages about Ubuntu Snap packages and Flatp

finally select some excellent software to publish them together to form your own release version of Linux. Redhat in the United States releases Redhat Linux, Mandrake in France releases Mandrake Linux, and SUSE in Germany releases SUSE Linux, many Chinese companies have also released their so-called Chinese Linux, but so far, Chinese Linux has been hard to crack