Hadoop 2.2.0 Multi-node cluster Installation on Ubuntu

東海大學資工系

Hadoop 2.2.0
Multi-node Installation on Ubuntu

康志強 G02357004
2014/1/3

Hadoop 2.2.0 (multi-node) Installation on Ubuntu
一、前言......................................................................................................................................... 2
二、安裝環境................................................................................................................................. 3
三、安裝步驟................................................................................................................................. 4
1.

安裝環境說明................................................................................................................. 4

2.

設定................................................................................................................................. 5

3.

增加三台機器的 ip 和 hostname 的對應 .................................................................... 7

4.

打通 cloud001 到 cloud002、cloud003 的 SSH 無密碼登入.................................. 8

5.

安裝 JDK ...................................................................................................................... 10

6.

關閉防火牆................................................................................................................... 11

7.

Hadoop 2.2 安裝 ......................................................................................................... 12

8.

Hadoop 2.2 啟動 ......................................................................................................... 18

五、本文的引用網址: ................................................................................................................. 24

1

一、前言
略

2

二、安裝環境
CPU

Intel Core i7-4470 3.40GHz

RAM

8 GB * 2

HD

128 SSD + 1TB HD

Network

100M/1000M bps Ethernet

OS

Windows7_64-bit

VM Platform

VMware® Workstation10.0.0 build-1295980

VM Guest OS

ubuntu-12.04.3-desktop-amd64

VMRAM

2.0GB

VM HD

40GB

3


三、安裝步驟
1. 安裝環境說明
這裡我們建構一個由三台機器組成的叢集
Hostname

User/Password

cloud001

hduser/adm123

cloud002

hduser/adm123

cloud003

hduser/adm123

Cluster 角色
Name node
Secondary Name node
Resource manager
Data node
Node manager
Data node
Node manager

4

OS
ubuntu-12.04.3 64
bits
ubuntu-12.04.3 64
bits
ubuntu-12.04.3 64
bits


2. 設定
(1) 修改 hostname,改成 cloud001
vim /etc/hostname

(2) 修改 hduser 權限 :
vim /etc/sudoers

(3) 系统升级到最新
sudo apt-get update

5

sudo apt-get upgrade

基本上先把 cloud001 裝好,再 clone 成 002,003 後,改 hotname 就可以了

6


3. 增加三台機器的 ip 和 hostname 的對應
hduser@cloud001:~$ vim /etc/hosts

7


4. 打通 cloud001 到 cloud002、cloud003 的 SSH 無密碼登入
(1) 安裝 SSH
sudo apt-get install ssh

(2) 設置 local 無密碼登陸,在登入目錄下執行下面指令
建立.ssh 目錄,進入
hduser@ubuntu:~$ mkdir .ssh
hduser@ubuntu:~$ cd .ssh
產生金鑰(一直 Enter 就可以)
hduser@ubuntu:~/.ssh$ ssh-keygen -t rsa
把 id_rsa.pub 追加到授權的 key 裡面去
hduser@ubuntu:~/.ssh$cat id_rsa.pub >> authorized_keys
重啟 SSH 服務
hduser@ubuntu:~/.ssh$ service ssh restart
8

測試
ssh localhos

9


5. 安裝 JDK
下載 jdk-7u45-linux-x64.tar.gz,copy 到 /usr/lib/jvm, 執行 chmod
hduser@ubuntu:/usr/lib/jvm$ chmod 755 jdk-7u45-linux-x64.gz
安裝
hduser@ubuntu:/usr/lib/jvm$ sudo tar zxvf ./jdk-7u45-linux-x64.gz -C /usr/lib/jvm
環境變數
hduser@ubuntu:/usr/lib/jvm$ vim ~/.bashrc
最後面增加
export JAVA_HOME=/usr/lib/jvm/jdk1.7.0_45
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH
輸入下面的命令來使之生效
hduser@ubuntu:/usr/lib/jvm$ source ~/.bashrc

10

測試
hduser@ubuntu:/usr/lib/jvm$ java -version
java version "1.7.0_45"
Java(TM) SE Runtime Environment (build 1.7.0_45-b18)
Java HotSpot(TM) 64-Bit Server VM (build 24.45-b08, mixed mode)
hduser@ubuntu:/usr/lib/jvm$

6. 關閉防火牆
hduser@ubuntu:/usr/lib/jvm$ sudo ufw disable
Firewall stopped and disabled on system startup
hduser@ubuntu:/usr/lib/jvm$
重啟生效

11


7. Hadoop 2.2 安裝
(1) 下載檔案 hadoop-2.2.tar.gz,解壓到/home/hduser 路径下
hduser@ubuntu:~$ chmod 755 hadoop-2.2.0.tar.gz
hduser@ubuntu:~$ tar zxvf hadoop-2.2.0.tar.gz
(2) hadoop 配置
配置之前，需要在 cloud001 新增以下資料夾
/home/hduser/dfs/name
/home/hduser/dfs/data
/home/hduser/temp

修改相關設定擋案內容,清單如下
~/hadoop-2.2.0/etc/hadoop/hadoop-env.sh
~/hadoop-2.2.0/etc/hadoop/yarn-env.sh
~/hadoop-2.2.0/etc/hadoop/slaves
~/hadoop-2.2.0/etc/hadoop/core-site.xml
~/hadoop-2.2.0/etc/hadoop/hdfs-site.xml
~/hadoop-2.2.0/etc/hadoop/mapred-site.xml (不存在,直接 rename mapred-site.xml.temp)
~/hadoop-2.2.0/etc/hadoop/yarn-site.xml
修改 hadoop-env.sh
修改 JAVA_HOME 值（export JAVA_HOME=/usr/lib/jvm/jdk1.7.0_45）

修改 yarn-env.sh
修改 JAVA_HOME 值（exportJAVA_HOME=/usr/lib/jvm/jdk1.7.0_45）

修改 slaves (這個文件裡面 KEEP 所有 slave 節點)
寫入以下內容：
cloud002

12

cloud003
修改 core-site.xml
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://cloud001:9000</value>
</property>
<property>
<name>io.file.buffer.size</name>
<value>131072</value>
</property>
<property>
<name>hadoop.tmp.dir</name>
<value>file:/home/hduser/temp</value>
<description>Abase for other temporary directories.</description>
</property>
<property>
<name>hadoop.proxyuser.hduser.hosts</name>
<value>*</value>
</property>
<property>
<name>hadoop.proxyuser.hduser.groups</name>
<value>*</value>
</property>
</configuration>
13


修改 hdfs-site.xml
<configuration>
<property>
<name>dfs.namenode.secondary.http-address</name>
<value>cloud001:9001</value>
</property>
<property>
<name>dfs.namenode.name.dir</name>
<value>file:/home/hduser/dfs/name</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>file:/home/hduser/dfs/data</value>
</property>
<property>
<name>dfs.replication</name>
<value>3</value>
</property>
<property>
<name>dfs.webhdfs.enabled</name>
<value>true</value>
</property>
</configuration>
14

修改 mapred-site.xml
<configuration>
<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
</property>
<property>
<name>mapreduce.jobhistory.address</name>
</property>
<property>
<name>mapreduce.jobhistory.webapp.address</name>
</property>
</configuration>
修改 yarn-site.xml
<configuration>

<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>
<property>
<name>yarn.nodemanager.aux-services.mapreduce.shuffle.class</name>

15

<value>org.apache.hadoop.mapred.ShuffleHandler</value>
</property>
<property>
<name>yarn.resourcemanager.address</name>
</property>
<property>
<name>yarn.resourcemanager.scheduler.address</name>
</property>
<property>
<name>yarn.resourcemanager.resource-tracker.address</name>
</property>
<property>
<name>yarn.resourcemanager.admin.address</name>
</property>
<property>
<name>yarn.resourcemanager.webapp.address</name>
</property>
</configuration>
設定環境變數
hduser@cloud001:~$ vim ~/.bashrc
16


最後面貼上
export HADOOP_HOME=/home/hduser/hadoop-2.2.0
export PATH=$PATH:$HADOOP_HOME/bin:$HADOOP_HOME/sbin
export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib"

(3) clone imagecloud001 to cloud002 & cloud003 ,然後修改 hostname

17


8. Hadoop 2.2 啟動
(1) 進入安裝目錄： cd ~/hadoop-2.2.0/，格式化 namenode
./bin/hdfs namenode –format

18

(2) 啟動 hdfs
./sbin/start-dfs.sh
此時在 001 上面運行的進程有：namenode secondarynamenode
002 和 003 上面運行的進程有：datanode

(3) 啟動 yarn
./sbin/start-yarn.sh
此時在 001 上面運行的進程有：namenode secondarynamenoderesourcemanager
002 和 003 上面運行的進程有：datanode nodemanaget
19


20

(4) 查看叢集狀態
./bin/hdfs dfsadmin –report

(5) 查看文件組成
./bin/hdfs fsck / -files –blocks

21


(6) 查看 HDFS

(7) 查看 RM

22


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五、本文的引用網址:

1. http://blog.csdn.net/licongcong_0224/article/details/12972889
2. http://blog.csdn.net/focusheart/article/details/14005893(單機板)
3. http://dawndiy.com/archives/155/ (Linux 下安装配置 JDK7)
4. http://www.ithome.com.tw/itadm/article.php?c=73978&s=1 (Hadoop 簡介)
5. http://www.runpc.com.tw/content/cloud_content.aspx?id=105318 (Hadoop 簡介)

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Hadoop 2.2.0 Multi-node cluster Installation on Ubuntu

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