在之前的文章中介绍了如何直接在Ubuntu中安装Hadoop.但是对于64位的Ubuntu来说,官方给出的Hadoop包是32位的,运行时会得到警告: WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 所以我们最好是自己在Ubuntu中编译Hadoop.先介绍一下我的环境是Ubuntu 1
最近大数据比较火,所以也想学习一下,所以在虚拟机安装Ubuntu Server,然后安装Hadoop. 以下是安装步骤: 1. 安装Java 如果是新机器,默认没有安装java,运行java –version命名,看是否可以查看Java版本,如果未安装Java,这运行以下命名: # Update the source list $ sudo apt-get update # The OpenJDK project is the default version of Java # that is
In this tutorial I will describe how to write a simple MapReduce program for Hadoop in the Python programming language. Motivation Even though the Hadoop framework is written in Java, programs for Hadoop need not to be coded in Java but can also be d
Hadoop on Ubuntu 14.04 In this chapter, we'll install a single-node Hadoop cluster backed by the Hadoop Distributed File System on Ubuntu. Installing Java Hadoop framework is written in Java!! k@laptop:~$ cd ~ # Update the source list k@laptop:~$ sud