hadoop build

I perform the following steps:1. dynamically increase datanode nodes and Tasktracker nodesin host226 as an exampleExecute on host226:Specify host NameVi/etc/hostnameSpecify host name-to-IP-address mappingsVi/etc/hosts(the hosts are the Datanode and TRAC)Adding users and GroupsAddGroup HadoopAddUser--ingroup Hadoop HadoopChange temporary directory permissionschmod 777/tmpExecute on HOST2:VI conf/slavesIncrease host226Ssh-copy-id-i. ssh/id_rsa.pub [Emai

Prepare the EnvironmentDownload Htrace-core-3.0.4.jar file FirstWebsite Link:http://mvnrepository.com/artifact/org.htrace/htrace-core/3.0.4Copy to the Share/hadoop/common/lib directory in HadoopAvoid errors where you cannot find a file.Download Hadoop2x-eclipse-pluginWebsite address:Https://github.com/winghc/hadoop2x-eclipse-pluginAfter decompression, upload to the server on HadoopIn/home/hadoop/hadoop2x-ec

We plan to build a Hadoop environment on Friday (we use virtual machines to build two Ubuntu systems in the Winodws environment ). Related reading: Hadoop0.21.0 source code process analysis workshop We plan to build a Hadoop environment on Friday (we use virtual machines to

gadget JPS.Note: The top two pictures show success!? View cluster status with "Hadoop Dfsadmin-report" ? Viewing a cluster from a Web page Visit jobtracker:http://192.168.1.127:50030?Visit namenode:http://192.168.1.127:50070 The problems encountered and the solving methods About Warning: $HADOOP _home is deprecated. This warning is always prompted

Build a fully distributed Hadoop-2.4.1 Environment 1. The configuration steps are as follows:1. Build the host environment. Five virtual machines are used to build the Hadoop environment on Ubuntu 13.2. Create a hadoop user group

Easily build hadoop-1.2.1 pseudo-distributions Take CentOS for example: CentOS Virtual machine Installation: http://blog.csdn.net/baolibin528/article/details/32918565 Network settings: http://blog.csdn.net/baolibin528/article/details/43797107 Pietty Usage: http://blog.csdn.net/baolibin528/article/details/43822509 WINSCP Usage: http://blog.csdn.net/baolibin528/article/details/43819289 As long as the virtu

, it is not recommended to debug in this mode. Hadoop-eclipse-plugin Principle is still the same, just modify the pseudo-distributed configuration of the steps, changed to the configuration plug-in to solve, to avoid the installation of the environment modification.Depending on your installation settings, add the plug-in well:Map/reduce Master Host:localhost, post:9001DFS Master Host:localhost, post:9000User NAME:HMThe Dfs.data.dir, Dfs.

The official Chinese version of the Hadoop QuickStart tutorial is already a very old version of the new Hadoop directory structure has changed, so some configuration file location is also slightly adjusted, such as the new version of Hadoop can not find the Conf directory mentioned in the QuickStart, in addition, There are many tutorials on the web that are also

Objective:Some time ago to learn how to deploy a pseudo-distributed model of the Hadoop environment, because the work is busy, learning progress stalled for some time, so today to take the time to learn the results of the recent and share with you.This article is about how to use VMware to build your own Hadoop cluster. If you want to know about pseudo-distribute

ArticleDirectory 1. hadoop requires that the hadoop deployment directory structure on all machines be the same, and there is an account with the same user name 2. Format hdsf 3. datanode missing Previously, hadoop was built in standalone mode for operation. Today, a bunch of problems have occurred when we try to

Namenode-format-clusterid MyhadoopclusterMyhadoopcluster is in the form of a string3. To delete the cache before each format Namenoderm-rf/home/hadoop/dfs/data/*rm-rf/home/hadoop/dfs/name/*4.Openstart-all.shShut downstop-all.shAccess method:http://hadoop1.localdomain:50070/dfsclusterhealth.jsphttp://hadoop1.localdomain:50070/dfshealth.jspHttp://hadoop1.localdomain:50070/dfshealth.html#tab-overviewHttp://ha

Virtual machine to build Hadoop all distributed cluster-in detail (1) Virtual machine to build Hadoop all distributed cluster-in detail (2) Virtual machine to build Hadoop all distributed cluster-in detail (3) In the above three b