free hadoop cluster access

-yarn.shThe results are as follows:At this point, the container can already be accessed from the host, but the host is not a desktop environment, only through the physical machine in the browser to access the Web UI provided by the cluster, but now the physical machine can not ping the container address, nor access the container, because the host is the subnet of

. -Configuration> Property> name>Fs.default.namename> value>hdfs://localhost:9000value> Property> Property> name>Hadoop.tmp.dirname> value>/home/hadoop/hadoop_tmpvalue> Description>A base for other temporary directories.Description> Property>Configuration>Hdfs-site.xml:XML version= "1.0"?>xml-stylesheet type= "text/xsl" href= "configuration.xsl "?>Put Site-specific property overri

, more than 1GB is recommended./home: The data for ordinary users is the host directory of ordinary users, the recommended size is the remaining space./: The root directory of the Linux system, all directories are hung under this directory, the recommended size is more than 5GB./ tmp: The temporary disk in a separate partition, you can avoid the system when the file system is full of stability affected. The recommended size is above 500MB.Swap: Implements virtual memory, the recommended size is

First of all, to ask, what is CDH?To install a Hadoop cluster that deploys 100 or even 1000 servers, package I including hive,hbase,flume ... Components, a day to build the complete, there is to consider the system after the update asked questions, then need to CDH Advantages of the CDH version:Clear Version DivisionFaster version updateSupport for Kerberos security authenticationDocument Clarity (Official

By building a Hadoop cluster (ii), we have been able to run our own WordCount program smoothly.Learn how to create your own Java applications, run on a Hadoop cluster, and debug with Debug.How many kinds of debug methods are there?How Hadoop is debug on eclipseIn general, th

Fully Distributed Hadoop cluster installation in Ubantu 14.04 The purpose of this article is to teach you how to configure Hadoop's fully distributed cluster. In addition to completely distributed, there are two types: Single-node and pseudo-distributed deployment. Pseudo-distribution only requires one virtual machine, and there are relatively few configurations.

configuration basically ends;Modify the sixth configuration file: VI SlavesThe modified content is your own host name:9: Check the status of the firewall under Ubuntu and turn off the firewall:Shown is to turn off the firewall, view the status of the firewall, start the firewall and view the state of the firewall;10: In order to perform Hadoop commands conveniently, also configure the environment variables of Had