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software, you can find useful to install Alsoscreento start sessions the work on the remote servers, an Dnmapto Check server ports in case something are not working in the cluster networking sudo apt-get install screen nmap Repeat This installation-procedure, up-to-this-point, on-every node you had in the cluster The following'll is necessary only on the first node: Then we start a screens to work remotely without fear of the losing work if disconnec
Excerpt from: http://www.powerxing.com/install-hadoop-cluster/This tutorial describes how to configure a Hadoop cluster, and the default reader has mastered the single-machine pseudo-distributed configuration of Hadoop, otherwise check out the Hadoop installation tutorial, s
The installation of this article only covers Hadoop-common, Hadoop-hdfs, Hadoop-mapreduce, and Hadoop-yarn, and does not include hbase, Hive, and pig.http://blog.csdn.net/aquester/article/details/246210051. planning 1.1. list of machines NameNode Second
Note: The following installation steps are performed in the Centos6.5 operating system, and the installation steps are also suitable for other operating systems, such as having classmates using other Linux operating systems such as Ubuntu, just note that individual commands are slightly different. Note the operation of different user rights, such as the shutdown firewall, the need to use root permissions. T
What is Impala? Cloudera released real-time query open source project Impala, according to a variety of products measured, it is more than the original based on MapReduce hive SQL query speed increase 3~90 times. Impala is an imitation of Google Dremel, but've seen wins blue on the SQL function. 1. Install JDK The code is as follows Copy Code $ sudo yum install jdk-6u41-linux-amd64.rpm 2. Pseudo-distributed mode insta
Recently, the company has taken over a new project and needs to perform distributed crawling on the entire wireless network of the company. The webpage index is updated and the PR value is calculated. Because the data volume is too large (tens of millions of data records ), you have to perform distributed processing. The new version is ready to adopt the hadoop architecture. The general process of hadoop co
Sqoop is a tool used to transfer data from Hadoop and relational databases to the HDFS of a relational database (such as MySQL, Oracle, Postgres, etc.). HDFs data can also be directed into a relational database. One of the highlights of Sqoop is the fact that you can import data from a relational database to HDFs via Hadoop MapReduce. I. Installation of Sqoop1,
First, install Java 1. Download jdk-8u91-linux-x64.tar.gz file, the website is: http://www.oracle.com/technetwork/java/javase/downloads/index.html 2. Installation: #选择一个安装路径, I chose/opt and copied the downloaded jdk-8u91-linux-x64.tar.gz file to this folder $ cd/opt $ sudo cp ~/downloads/jdk-8u91-linux-x64.tar.gz-i/opt/ #解压, installation $ sudo tar zxvf jdk-8u91-linux-x64.tar.gz $ sudo rm-r jdk-8u91-linux-
installation disk so that the required installation package is installed. Make FTP package easy to install software [email protected] home]# mount-t auto/dev/cdrom/home/cdromMount:block Device/dev/sr0 is write-protected, mounting read-only[email protected] packages]# RPM-IVH ftp-0.17-54.el6.x86_64.rpmWarning:ftp-0.17-54.el6.x86_64.rpm:header V3 rsa/sha1 Signature, key ID C105b9de:nokeyPreparing ... ##
2017/6/21 Update after installation, create the logs folder under the/usr/local/hadoop/hadoop-2.7.3 path and change the permissions to 777 9-26 Important updates: All the commands in this article are from the real machine copy, may be in the process of pasting copy of the unknown error, so please manually enter the command, thank you. Recently listened to a big
Follow the Hadoop installation tutorial _ standalone/pseudo-distributed configuration _hadoop2.6.0/ubuntu14.04 (http://www.powerxing.com/install-hadoop/) to complete the installation of Hadoop, My system is hadoop2.8.0/ubuntu16. Hadoop
First, install Java1. Download the jdk-8u91-linux-x64.tar.gz file at:http://www.oracle.com/technetwork/java/javase/downloads/index.html2. Installation:#选择一个安装路径, I chose/opt and copied the downloaded jdk-8u91-linux-x64.tar.gz file to this folder$ cd/opt$ sudo cp ~/downloads/jdk-8u91-linux-x64.tar.gz-i/opt/#解压, installation$ sudo tar zxvf jdk-8u91-linux-x64.tar.gz$ sudo rm-r jdk-8u91-linux-x64.tar.gz#检查是否安装成
10-child 5 >nohup.log 2>1 Nohup./dsdgen-scale 100-dir/dfs/data/-parallel 10-child 6 >nohup.log 2>1 Nohup./dsdgen-scale 100-dir/dfs/data/-parallel 10-child 7 >nohup.log 2>1 Nohup./dsdgen-scale 100-dir/dfs/data/-parallel 10-child 8 >nohup.log 2>1 Nohup./dsdgen-scale 100-dir/dfs/data/-parallel 10-child 9 >nohup.log 2>1 Nohup./dsdgen-scale 100-dir/dfs/data/-parallel 10-child >nohup.log 2>1 1) uploading local data to HDFs 2) Start uploading data with the
Two cyanEmail: [Email protected] Weibo: HTTP://WEIBO.COM/XTFGGEFNow it's time to learn about Hadoop in a systematic way, although it may be a bit late, but you want to learn the hot technology, let's start with the installation environment. Official documentsThe software and version used in this article are as follows: Ubuntu 14.10-Bit Server Edition Hadoop2.6.0 JDK 1.7.0_71 Ssh Rsy
Two cyanEmail: [Email protected] Weibo: HTTP://WEIBO.COM/XTFGGEFNow it's time to learn about Hadoop in a systematic way, although it may be a bit late, but you want to learn the hot technology, let's start with the installation environment. Official documentsThe software and version used in this article are as follows: Ubuntu 14.10-Bit Server Edition Hadoop2.6.0 JDK 1.7.0_71 Ssh Rsy
Environment: ubuntu10.10JDK1.6.0.27hadoop0.20.2 I. JDK installation in ubuntu: 1. download jdk-6u27-linux-i586.bin2. copy to/usr/java and set the object operation permissions. $. /jdk-6u27-linux-i586.bin start installation 4. set... Environment: ubuntu 10.10 JDK1.6.0.27 hadoop 0.20.2 1. install JDK in ubuntu: 1. download jdk-6u27-linux-i586.bin 2. copy to/usr
change!): 10969 DataNode11745 NodeManager11292 SecondaryNameNode10708 NameNode11483 ResourceManager13096 Jps n.b. The old jobtracker have been replaced by the ResourceManager. Access Web interfaces: Cluster status:http://localhost:8088 HDFS status:http://localhost:50070 Secondary NameNode status:http://localhost:50090 Test Hadoop:hadoop jar ~/hadoop/share/hadoop/mapredu
will all be displayed:650) this.width=650; "Src=" https://s5.51cto.com/wyfs02/M02/8D/81/wKioL1ifBLewUbRbAAMYZLw9g7U228.png-wh_500x0-wm_ 3-wmp_4-s_552914878.png "title=" Snip20170211_66.png "alt=" Wkiol1ifblewubrbaamyzlw9g7u228.png-wh_50 "/>The Hadoop unpacked share directory provides us with a few example jar packages, and we perform a look at the effect:$ hadoop jar/home/hduser/
Recently combined with specific projects, set up Hadoop+hive, before running Hive to first set up a good Hadoop, about the construction of Hadoop has three models, in the following introduction, I mainly used the pseudo distribution of Hadoop installation mode. Write it down
Although the overall implementation of the automatic installation, but there are many needs to improve the place, such as:1. The code can only be run under the root authority, otherwise it will be wrong, this need to add permission to judge;2. You can also add several functions to reduce code redundancy;3. Some of the judgements are not intelligent enough;......The ability and the time are limited, can only write here.The Installhadoop file code is as
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