基于CentOS与VmwareStation10搭建hadoop环境

 

 

目  录

1.         概述.... 1

1.1.     软件准备.... 1

1.2.     硬件准备.... 1

2.         安装与配置虚拟机.... 2

2.1.     创建虚拟机.... 2

2.1.1.     创建虚拟机节点1.. 2

2.1.2.     创建虚拟机节点2.. 4

2.1.3.     创建虚拟机节点3.. 4

2.2.     安装操作系统CentOS6.0.. 4

2.3.     安装JDK.. 5

2.3.1.     准备JDK.. 5

2.3.2.     上传JDK.. 5

2.3.3.     安装JDK.. 5

2.3.4.     配置JDK环境变量.... 6

2.4.     配置网络.... 7

2.4.1.     配置hosts. 7

2.4.2.     配置网络.... 8

2.5.     配置资源与参数.... 8

2.5.1.     修改主机名称.... 9

2.5.2.     配置用户,组,目录和权.... 9

2.5.3.     修改系统内核参数/etc/sysctl.conf 9

2.6.     配置等效性与连通(可选项). 10

2.6.1.     uhadoop用户等效性.... 10

2.6.2.     uhadoop用户连通性.... 13

3.         安装hadoop.. 14

3.1.     安装配置hadoop.. 14

3.1.1.     解压hadoop安装包.... 14

3.1.2.     添加hadoop环境变量.... 14

3.1.3.     修改Hadoop配置文件.... 15

3.1.4.     格式化文件系统.... 17

3.1.5.     启动或停止服务.... 21

3.1.6.     查看Hadoop信息.... 21

4.         Hadoop-HDFS 测试.... 23

5.         参考资料.... 23

5.1参考资料.... ...................................................................................................... 23

目录

1.  概述

1.1.  软件准备

  • l  SecureCRT:用于客户机通过SSH连接LINUX
  • l  VmWareStation10:

VMware-workstation-full-10.0.1-1379776.exe

5C4A7-6Q20J-6ZD58-K2C72-0AKPE （已测，可用）

1Y0W5-0W205-7Z8J0-C8C5M-9A6MF

  • CentOS5.4: CentOS-6.0-i386-bin-DVD.iso
  • JDK: jdk-8u25-linux-i586.rpm
  • Hadoop:hadoop-2.5.2.tar.gz

1.2.  硬件准备

  • Windows环境：
  • 虚拟机环境：

2.  安装与配置虚拟机

2.1.  创建虚拟机

2.1.1.  创建虚拟机节点1

图 略

2.1.2.          创建虚拟机节点2

　　操作如节点1.

2.1.3.          创建虚拟机节点3

2.2.       安装操作系统CentOS6.0

　　三个虚拟机都安装，此步骤在创建虚拟机节点时:

2.3.       安装JDK

　　所有节点都执行。

2.3.1.          准备JDK

　　http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

2.3.2.          上传JDK

上传JDK

sftp> put E:\upload_linux\jdk-8u25-linux-i586.rpm  /home/uhadoop/uhadoop/

Uploading jdk-8u25-linux-i586.rpm to /home/uhadoop/jdk-8u25-linux-i586.rpm

100% 138487KB   9891KB/s 00:00:14     01 ETAA

2.3.3.          安装JDK

安装JDK：

[root@master uhadoop]# rpm -ivh jdk-8u25-linux-i586.rpm

Preparing...                ########################################### [100%]

1:jdk1.8.0_25            ########################################### [100%]

Unpacking JAR files...

rt.jar...

jsse.jar...

charsets.jar...

tools.jar...

localedata.jar...

jfxrt.jar...

plugin.jar...

javaws.jar...

deploy.jar...

2.3.4.          配置JDK环境变量

查看安装JDK的目录：/usr/java/

[root@master java]# cd /usr/java

[root@master java]# ll

total 4

lrwxrwxrwx. 1 root root   16 Dec  8 19:54 default -> /usr/java/latest

drwxr-xr-x. 9 root root 4096 Dec  8 19:54 jdk1.8.0_25

lrwxrwxrwx. 1 root root   21 Dec  8 19:54 latest -> /usr/java/jdk1.8.0_25

[root@master java]# cd jdk1.8.0_25

[root@master jdk1.8.0_25]# ll

total 25796

drwxr-xr-x. 2 root root     4096 Dec  8 19:54 bin

-rw-r--r--. 1 root root     3244 Sep 17 16:29 COPYRIGHT

drwxr-xr-x. 4 root root     4096 Dec  8 19:54 db

drwxr-xr-x. 3 root root     4096 Dec  8 19:54 include

-rw-r--r--. 1 root root  5025525 Sep 16 09:24 javafx-src.zip

drwxr-xr-x. 5 root root     4096 Dec  8 19:54 jre

drwxr-xr-x. 5 root root     4096 Dec  8 19:54 lib

-rw-r--r--. 1 root root       40 Sep 17 16:29 LICENSE

drwxr-xr-x. 4 root root     4096 Dec  8 19:54 man

-rw-r--r--. 1 root root      159 Sep 17 16:29 README.html

-rw-r--r--. 1 root root      524 Sep 17 16:29 release

-rw-r--r--. 1 root root 21056925 Sep 17 16:29 src.zip

-rw-r--r--. 1 root root   110114 Sep 16 09:24 THIRDPARTYLICENSEREADME-JAVAFX.txt

-rw-r--r--. 1 root root   178400 Sep 17 16:29 THIRDPARTYLICENSEREADME.txt

编辑profile

[root@master /]# cd etc

[root@master etc]# ls profile

profile

[root@master etc]# vi profile

# /etc/profile

# System wide environment and startup programs, for login setup

# Functions and aliases go in /etc/bashrc

# It's NOT good idea to change this file unless you know what you

# are doing. Much better way is to create custom.sh shell script in

# /etc/profile.d/ to make custom changes to environment. This will

# prevent need for merging in future updates.

pathmunge () {

case ":${PATH}:" in

*:"$1":*)

;;

*)

if [ "$2" = "after" ] ; then

PATH=$PATH:$1

else

PATH=$1:$PATH

fi

esac

}

if [ -x /usr/bin/id ]; then

if [ -z "$EUID" ]; then

# ksh workaround

EUID=`id -u`

UID=`id -ru`

fi

USER="`id -un`"

LOGNAME=$USER

MAIL="/var/spool/mail/$USER"

fi

# Path manipulation

if [ "$EUID" = "0" ]; then

pathmunge /sbin

pathmunge /usr/sbin

pathmunge /usr/local/sbin

else

pathmunge /usr/local/sbin after

pathmunge /usr/sbin after

pathmunge /sbin after

fi

HOSTNAME=`/bin/hostname 2>/dev/null`

HISTSIZE=1000

if [ "$HISTCONTROL" = "ignorespace" ] ; then

export HISTCONTROL=ignoreboth

else

export HISTCONTROL=ignoredups

fi

export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL

for i in /etc/profile.d/*.sh ; do

if [ -r "$i" ]; then

if [ "$PS1" ]; then

. $i

else

. $i >/dev/null 2>&1

fi

fi

done

# set environment by HondaHsu 2014

JAVA_HOME=/usr/java/jdk1.8.0_25

JRE_HOME=/usr/java/jdk1.8.0_25/jre

PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin

CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tool.jar:$JRE_HOME/lib:

export JAVA_HOME JRE_HOME PATH CLASSPATH

unset i

unset pathmunge

[root@master etc]#

[root@master uhadoop]#

[root@master java]# java -version

java version "1.8.0_25"

Java(TM) SE Runtime Environment (build 1.8.0_25-b17)

Java HotSpot(TM) Server VM (build 25.25-b02, mixed mode)

2.4.       配置网络

2.4.1.          配置hosts

配置hosts文件的作用，它主要用于确定每个结点的IP地址，方便后续master结点能快速查到并访问各个节点。在3个虚机节点上均需要配置此文件：

在master、node1、node2中分别添加

主机名

IP址址

子网

网络类型

解析方式

Eth0

10.10.36.100

255.255.255.0

公用网络

/etc/hosts

10.10.36.100  master

NameNode

10.10.36.101  node1

DataNode

10.10.36.123  node2

DataNod
           

2.4.2.          配置网络

通过ifdown,ifup使配置的IP生效:

[root@master /]# sudo ifconfig eth0 10.10.36.100 netmask 255.255.255.0 up

[root@master /]# ifup eth0

Active connection state: activated

Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/4

[root@master /]#

[root@node1 /]# sudo ifconfig eth0 10.10.36.101 netmask 255.255.255.0 up

[root@node1 /]# ifup eth0

Active connection state: activated

Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/4

[root@node1 /]#

[root@node2 /]# sudo ifconfig eth0 10.10.36.123 netmask 255.255.255.0 up

[root@node2 /]# ifup eth0

Active connection state: activated

Active connection path: /org/freedesktop/NetworkManager/ActiveConnection/3

[root@node2 /]# ifconfig -a

eth0      Link encap:Ethernet  HWaddr 00:0C:29:57:08:7B

inet addr:10.10.36.123  Bcast:10.10.36.255  Mask:255.255.255.0

inet6 addr: fe80::20c:29ff:fe57:87b/64 Scope:Link

UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1

RX packets:11506 errors:0 dropped:0 overruns:0 frame:0

TX packets:5564 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:1000

RX bytes:1090727 (1.0 MiB)  TX bytes:538552 (525.9 KiB)

Interrupt:19 Base address:0x2024

lo        Link encap:Local Loopback

inet addr:127.0.0.1  Mask:255.0.0.0

inet6 addr: ::1/128 Scope:Host

UP LOOPBACK RUNNING  MTU:16436  Metric:1

RX packets:10 errors:0 dropped:0 overruns:0 frame:0

TX packets:10 errors:0 dropped:0 overruns:0 carrier:0

collisions:0 txqueuelen:0

RX bytes:578 (578.0 b)  TX bytes:578 (578.0 b)

[root@node2 /]#

2.5.       配置资源与参数

2.5.1.          修改主机名称

[root@master /]# vi /etc/sysconfig/network

NETWORKING=yes

HOSTNAME=master

[root@node1 /]# vi /etc/sysconfig/network

NETWORKING=yes

HOSTNAME=node1

[root@node2 /]# vi /etc/sysconfig/network

NETWORKING=yes

HOSTNAME=node2

2.5.2.          配置用户,组,目录和权

　　为hadoop集群专门设置一个用户组及用户，这部分比较简单，参考示例如下：

　　sudo groupadd hadoop    //设置hadoop用户组

　　sudo useradd –s /bin/bash –d /home/uhadoop –m uhadoop –g hadoop –G admin   //添加一个uhadoop用户，此用户属于　　hadoop用户组，且具有admin权限。

3个虚机节点均需要进行以上步骤来完成hadoop运行帐号的建立。

[root@master /]# sudo groupadd hadoop

[root@master /]# sudo groupadd admin

[root@master /]# sudo useradd -s /bin/bash -d /home/uhadoop -m uhadoop -g hadoop -G admin [root@master /]# echo -n uhadoop|passwd --stdin uhadoop

Changing password for user uhadoop.

passwd: all authentication tokens updated successfully.

[root@node1 /]# sudo groupadd hadoop

[root@node1 /]# sudo groupadd admin

[root@node1 /]# sudo useradd -s /bin/bash -d /home/uhadoop -m uhadoop -g hadoop -G admin

[root@node1 /]# echo -n uhadoop|passwd --stdin uhadoop

Changing password for user uhadoop.

passwd: all authentication tokens updated successfully.

[root@node2 /]# sudo groupadd hadoop

[root@node2 /]# sudo groupadd admin

[root@node2 /]# sudo useradd -s /bin/bash -d /home/uhadoop -m uhadoop -g hadoop -G admin

[root@node2 /]# echo -n uhadoop|passwd --stdin uhadoop

Changing password for user uhadoop.

passwd: all authentication tokens updated successfully.

2.5.3.          修改系统内核参数/etc/sysctl.conf

[root@linuxrac1 etc]# vi sysctl.conf

# add parameter for oracle

fs.aio-max-nr = 1048576

fs.file-max = 6815744

kernel.shmall = 2097152

kernel.shmmax = 1073741824

kernel.shmmni = 4096

kernel.sem = 250 32000 100 128

net.ipv4.ip_local_port_range = 9000 65500

net.core.rmem_default = 262144

net.core.rmem_max = 4194304

net.core.wmem_default = 262144

net.core.wmem_max = 1048586

2.6.       配置等效性与连通(可选项)

2.6.1.          uhadoop用户等效性

1.以下均以uhadoop用户执行: 在两个节点的grid主目录分别创建.ssh目录，并赋予权限

master

[uhadoop@master ~]$ mkdir ~/.ssh

[uhadoop@master ~]$ chmod 755 ~/.ssh

[uhadoop@master ~]$ ssh-keygen -t rsa

Generating public/private rsa key pair.

Enter file in which to save the key (/home/uhadoop/.ssh/id_rsa):

Enter passphrase (empty for no passphrase):

Enter same passphrase again:

Your identification has been saved in /home/uhadoop/.ssh/id_rsa.

Your public key has been saved in /home/uhadoop/.ssh/id_rsa.pub.

The key fingerprint is:

85:fb:1f:d1:01:39:f5:fd:39:f0:cc:ea:9f:02:cc:06 uhadoop@master

The key's randomart image is:

+--[ RSA 2048]----+

|            .o.  |

|         .  o. ..|

|        . .  o. o|

|         E   .=.o|

|        S + . .*.|

|         . = .. .|

|          o o.   |

|           ..o  .|

|            ..oo |

+-----------------+

[uhadoop@master ~]$ ssh-keygen -t dsa

Generating public/private dsa key pair.

Enter file in which to save the key (/home/uhadoop/.ssh/id_dsa):

Enter passphrase (empty for no passphrase):

Enter same passphrase again:

Your identification has been saved in /home/uhadoop/.ssh/id_dsa.

Your public key has been saved in /home/uhadoop/.ssh/id_dsa.pub.

The key fingerprint is:

cf:21:a7:cb:53:14:37:bd:eb:a8:18:20:0b:a5:19:7e uhadoop@master

The key's randomart image is:

+--[ DSA 1024]----+

|             .   |

|          . o .  |

|  . .      o . . |

| . =      .   .  |

|  = E . S.o    . |

|   o o . *..  .  |

|    .   o.o  o   |

|       ..+  . .  |

|        +...     |

+-----------------+

[uhadoop@master ~]$

node1

[uhadoop@node1 /]$ mkdir ~/.ssh

[uhadoop@node1 /]$ chmod 755 ~/.ssh

[uhadoop@node1 /]$ ssh-keygen -t rsa

Generating public/private rsa key pair.

Enter file in which to save the key (/home/uhadoop/.ssh/id_rsa):

Enter passphrase (empty for no passphrase):

Enter same passphrase again:

Your identification has been saved in /home/uhadoop/.ssh/id_rsa.

Your public key has been saved in /home/uhadoop/.ssh/id_rsa.pub.

The key fingerprint is:

c5:13:c5:28:ef:99:4e:19:0f:8c:a9:32:03:18:0c:8f uhadoop@node1

The key's randomart image is:

+--[ RSA 2048]----+

|+         .+.    |

|.+      .....    |

|Eo.      *+      |

|. .     o.=.     |

|   .   .S. B     |

|    + .   * .    |

|     +   o       |

|          .      |

|                 |

+-----------------+

[uhadoop@node1 /]$

[uhadoop@node1 /]$ ssh-keygen -t dsa

Generating public/private dsa key pair.

Enter file in which to save the key (/home/uhadoop/.ssh/id_dsa):

Enter passphrase (empty for no passphrase):

Enter same passphrase again:

Your identification has been saved in /home/uhadoop/.ssh/id_dsa.

Your public key has been saved in /home/uhadoop/.ssh/id_dsa.pub.

The key fingerprint is:

a5:cb:21:e6:ea:6c:1b:bc:e0:6d:a0:af:c6:b2:9e:3d uhadoop@node1

The key's randomart image is:

+--[ DSA 1024]----+

|                 |

|                 |

|          .      |

|         o       |

|      o S        |

|  .. o o o       |

|....o . o        |

|o+oEo+           |

|**o=O.           |

+-----------------+

[uhadoop@node1 /]$

node2

[uhadoop@node2 /]$ mkdir ~/.ssh

[uhadoop@node2 /]$ chmod 755 ~/.ssh

[uhadoop@node2 /]$ ssh-keygen -t rsa

Generating public/private rsa key pair.

Enter file in which to save the key (/home/uhadoop/.ssh/id_rsa):

Enter passphrase (empty for no passphrase):

Enter same passphrase again:

Your identification has been saved in /home/uhadoop/.ssh/id_rsa.

Your public key has been saved in /home/uhadoop/.ssh/id_rsa.pub.

The key fingerprint is:

a0:36:29:f4:6a:65:8c:1a:0e:6b:7b:71:c7:12:4b:ab uhadoop@node2

The key's randomart image is:

+--[ RSA 2048]----+

|                 |

|                 |

|  .   .          |

| . + = .         |

|o o @ = S        |

|o+ B * o         |

|ooo + o          |

|...E             |

| ..              |

+-----------------+

[uhadoop@node2 /]$ ssh-keygen -t dsa

Generating public/private dsa key pair.

Enter file in which to save the key (/home/uhadoop/.ssh/id_dsa):

Enter passphrase (empty for no passphrase):

Enter same passphrase again:

Your identification has been saved in /home/uhadoop/.ssh/id_dsa.

Your public key has been saved in /home/uhadoop/.ssh/id_dsa.pub.

The key fingerprint is:

a4:95:c4:8b:76:71:71:d5:c4:9b:9f:bb:cb:6d:5e:ef uhadoop@node2

The key's randomart image is:

+--[ DSA 1024]----+

|       .. .....+.|

|       .o...    o|

|       .++      o|

|      o+o      o |

|     ...S       o|

|               ..|

|                o|

|              ..=|

|               BE|

+-----------------+

以上用默认配置,一路回车即可

 

master

cat ~/.ssh/*.pub >> ~/.ssh/authorized_keys

ssh uhadoop@node1 cat ~/.ssh/*.pub >> ~/.ssh/authorized_keys

ssh uhadoop@node2 cat ~/.ssh/*.pub >> ~/.ssh/authorized_keys

或

ssh uhadoop@node1 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys

ssh uhadoop@node1 cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys

ssh uhadoop@node2 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys

ssh uhadoop@node2 cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys

grid@linuxrac1 ~]$ cd .ssh

[grid@linuxrac1 .ssh]$ ll

total 48

-rw-r--r-- 1 grid oinstall 2000 Sep 25 00:48 authorized_keys

-rw------- 1 grid oinstall  668 Sep 25 00:43 id_dsa

-rw-r--r-- 1 grid oinstall  604 Sep 25 00:43 id_dsa.pub

-rw------- 1 grid oinstall 1675 Sep 25 00:42 id_rsa

-rw-r--r-- 1 grid oinstall  396 Sep 25 00:42 id_rsa.pub

-rw-r--r-- 1 grid oinstall  404 Sep 25 00:48 known_hosts

node1

cat ~/.ssh/*.pub >> ~/.ssh/authorized_keys

ssh uhadoop@master cat ~/.ssh/*.pub >> ~/.ssh/authorized_keys

ssh uhadoop@node2 cat ~/.ssh/*.pub >> ~/.ssh/authorized_keys

或

ssh uhadoop@master cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys

ssh uhadoop@master cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys

ssh uhadoop@node2 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys

ssh uhadoop@node2 cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys

node2

cat ~/.ssh/*.pub >> ~/.ssh/authorized_keys

ssh uhadoop@master cat ~/.ssh/*.pub >> ~/.ssh/authorized_keys

ssh uhadoop@node1 cat ~/.ssh/*.pub >> ~/.ssh/authorized_keys

或

ssh uhadoop@master cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys

ssh uhadoop@master cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys

ssh uhadoop@node1 cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys

ssh uhadoop@node1 cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys

测试连通性：

[uhadoop@master ~]$ ssh 10.10.36.101

[uhadoop@node1 ~]$ ssh 10.10.36.123

[uhadoop@node2 ~]$ ssh 10.10.36.101

Last login: Sat Dec  6 23:38:05 2014 from master

[uhadoop@node1 ~]$

[uhadoop@node1 /]$ ssh 10.10.36.123

Last login: Sat Dec  6 23:38:19 2014 from node1

[uhadoop@node2 ~]$ ssh 10.10.36.100

[uhadoop@master ~]$

[uhadoop@node2 /]$ ssh 10.10.36.100

Last login: Sat Dec  6 23:39:05 2014 from node2

[uhadoop@master ~]$ ssh 10.10.36.101

Last login: Sat Dec  6 23:39:28 2014 from node2

[uhadoop@node1 ~]$

2.6.2.          uhadoop用户连通性

2.建立等效性 master,node1,node2三个节点执行

[uhadoop@master /]$ exec ssh-agent $SHELL

[uhadoop@master /]$ ssh-add

Identity added: /home/uhadoop/.ssh/id_rsa (/home/uhadoop/.ssh/id_rsa)

Identity added: /home/uhadoop/.ssh/id_dsa (/home/uhadoop/.ssh/id_dsa)

[uhadoop@master /]$ ssh node1 date

Mon Dec  8 17:46:14 PST 2014

[uhadoop@master /]$ ssh node2 date

Mon Dec  8 17:46:22 PST 2014

[uhadoop@master /]$

ssh master date; ssh node1 date; ssh node2 date

[uhadoop@node1 /]$ exec ssh-agent $SHELL

[uhadoop@node1 /]$ ssh master date

Mon Dec  8 17:44:18 PST 2014

[uhadoop@node1 /]$ ssh node2 date

Mon Dec  8 17:44:26 PST 2014

[uhadoop@node1 /]$ ssh node1 date

Mon Dec  8 17:44:37 PST 2014

[uhadoop@node1 /]$

[uhadoop@node2 /]$ exec ssh-agent $SHELL

[uhadoop@node2 /]$ ssh-add

Identity added: /home/uhadoop/.ssh/id_rsa (/home/uhadoop/.ssh/id_rsa)

Identity added: /home/uhadoop/.ssh/id_dsa (/home/uhadoop/.ssh/id_dsa)

[uhadoop@node2 /]$ ssh master date

Mon Dec  8 17:45:15 PST 2014

[uhadoop@node2 /]$ ssh node1 date

Mon Dec  8 17:45:25 PST 2014

[uhadoop@node2 /]$ ssh node2 date

The authenticity of host 'node2 (10.10.36.123)' can't be established.

RSA key fingerprint is a7:0c:1e:b8:30:6e:e9:01:e0:1e:86:5f:4a:b2:7c:cf.

Are you sure you want to continue connecting (yes/no)? yes

Warning: Permanently added 'node2,10.10.36.123' (RSA) to the list of known hosts.

Mon Dec  8 17:45:42 PST 2014

[uhadoop@node2 /]$

3.          安装hadoop

3.1.       安装配置hadoop

3.1.1.          解压hadoop安装包

[uhadoop@master uhadoop]$tar –zxvf hadoop-2.5.2.tar.gz

[uhadoop@master hadoop-2.5.2]$ ll

total 52

drwxr-xr-x. 2 uhadoop hadoop  4096 Nov 14 15:53 bin

drwxr-xr-x. 3 uhadoop hadoop  4096 Nov 14 15:53 etc

drwxr-xr-x. 2 uhadoop hadoop  4096 Nov 14 15:53 include

drwxr-xr-x. 3 uhadoop hadoop  4096 Nov 14 15:53 lib

drwxr-xr-x. 2 uhadoop hadoop  4096 Nov 14 15:53 libexec

-rw-r--r--. 1 uhadoop hadoop 15458 Nov 14 15:53 LICENSE.txt

-rw-r--r--. 1 uhadoop hadoop   101 Nov 14 15:53 NOTICE.txt

-rw-r--r--. 1 uhadoop hadoop  1366 Nov 14 15:53 README.txt

drwxr-xr-x. 2 uhadoop hadoop  4096 Nov 14 15:53 sbin

drwxr-xr-x. 4 uhadoop hadoop  4096 Nov 14 15:53 share

3.1.2.          添加hadoop环境变量

在三个节点都添加环境变量

[root@master /]# vi /etc/profile

# set environment by HondaHsu 2014

JAVA_HOME=/usr/java/jdk1.8.0_25

JRE_HOME=/usr/java/jdk1.8.0_25/jre

HADOOP_HOME=/home/uhadoop/uhadoop/hadoop-2.5.2

HADOOP_COMMON_HOME=$HADOOP_HOME

HADOOP_HDFS_HOME=$HADOOP_HOME

HADOOP_MAPRED_HOME=$HADOOP_HOME

HADOOP_YARN_HOME=$HADOOP_HOME

HADOOP_CONF_DIR=$HADOOP_HOME/etc/hadoop

PATH=$PATH:$JAVA_HOME/bin:$JRE_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin

CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tool.jar:$JRE_HOME/lib:$HADOOP_HOME/lib

export JAVA_HOME JRE_HOME PATH CLASSPATH

export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native

export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib"

[root@master /]# source /etc/profile

3.1.3.          修改Hadoop配置文件(所有节点相同)

（1）core-site.xml

[uhadoop@master hadoop]$ cd /home/uhadoop/uhadoop/hadoop-2.5.2/etc/hadoop

[uhadoop@master hadoop]$ vi core-site.xml

<configuration>

<property>

<name>hadoop.tmp.dir</name>

<value>/home/uhadoop/uhadoop/hadoop-2.5.2/tmp</value>

<description>A base for other temporary directories.</description>

</property>

 

<property>

<name>fs.default.name</name>

<value>hdfs://master:9000</value>

</property>

 

<property>

<name>io.file.buffer.size</name>

<value>131072</value>

</property>

 

<property>

<name>hadoop.proxyuser.root.hosts</name>

<value>namenode</value>

</property>

 

<property>

<name>hadoop.proxyuser.root.groups</name>

<value>*</value>

</property>

</configuration>

（2）hdfs-site.xml

[uhadoop@master hadoop]$ vi hdfs-site.xml

<configuration>

<property> 

<name>dfs.namenode.secondary.http-address</name> 

<value>master:50090</value> 

</property>

 

<property>

<name>dfs.datanode.max.xcievers</name>

<value>4096</value>

</property>

 

<property>

<name>dfs.namenode.name.dir</name>

<value>/home/uhadoop/uhadoop/hadoop-2.5.2/hdfs/name</value>

<final>true</final>

</property>

 

<property>

<name>dfs.datanode.data.dir</name>

<value>/home/uhadoop/uhadoop/hadoop-2.5.2/hdfs/data</value>

<final>true</final>

</property>

 

<property>

<name>dfs.replication</name>

<value>2</value>

</property>

 

<property>

<name>dfs.permissions</name>

<value>false</value>

</property>

</configuration>

（3）mapred-site.xml

[uhadoop@master hadoop]$ cp mapred-site.xml.template mapred-site.xml

[uhadoop@master hadoop]$ vi mapred-site.xml

<configuration>

<property>

<name>mapreduce.framework.name</name>

<value>yarn</value>

</property>

 

<property> 

<name>mapreduce.jobtracker.http.address</name> 

<value>master:50030</value> 

</property>

 

<property>

<name>mapreduce.jobhistory.address</name>

<value>master:10020</value>

</property>

 

<property>

<name>mapreduce.jobhistory.webapp.address</name>

<value>master:19888</value>

</property>

 

<property>

<name>mapreduce.jobhistory.intermediate-done-dir</name>

<value>/mr-history/tmp</value>

</property>

 

<property>

<name>mapreduce.jobhistory.done-dir</name>

<value>/mr-history/done</value>

</property>

</configuration>

--------------------------------------------------------

jobhistory是Hadoop自带了一个历史服务器，记录Mapreduce历史作业。默认情况下，jobhistory没有启动，可用以下命令启动：

sbin/mr-jobhistory-daemon.sh start historyserver

---------------------------------------------------------

（4）yarn-site.xml

<configuration>

<!-- Site specific YARN configuration properties -->

<property>

<name>Yarn.nodemanager.aux-services</name>

<value>mapreduce.shuffle</value>

</property>

 

<property>

<name>Yarn.resourcemanager.address</name>

<value>master:18040</value>

</property>

 

<property>

<name>Yarn.resourcemanager.scheduler.address</name>

<value>master:18030</value>

</property>

 

<property>

<name>Yarn.resourcemanager.resource-tracker.address</name>

<value>master:18025</value>

</property>

 

<property>

<name>Yarn.resourcemanager.admin.address</name>

<value>master:18041</value>

</property>

 

<property>

<name>Yarn.resourcemanager.webapp.address</name>

<value>master:8088</value>

</property>

 

<property>

<name>Yarn.nodemanager.local-dirs</name>

<value>/home/uhadoop/uhadoop/hadoop-2.5.2/mynode/my</value>

</property>

 

<property>

<name>Yarn.nodemanager.log.retain-seconds</name>

<value>10800</value>

</property>

 

<property>

<name>Yarn.nodemanager.remote-app-log-dir</name>

<value>/logs</value>

</property>

 

<property>

<name>Yarn.nodemanager.remote-app-log-dir-suffix</name>

<value>logs</value>

</property>

 

<property>

<name>Yarn.log-aggregation.retain-seconds</name>

<value>-1</value>

</property>

 

<property>

<name>Yarn.log-aggregation.retain-check-interval-seconds</name>

<value>-1</value>

</property>

</configuration>

（5）slaves

[uhadoop@master hadoop]$ vi slaves

node1

node2

（6）修改JAVA_HOME: 分别在文件hadoop-env.sh和yarn-env.sh中添加JAVA_HOME配置

[uhadoop@master hadoop]$ vi hadoop-env.sh

export JAVA_HOME=/usr/java/jdk1.8.0_25

或export JAVA_HOME=${JAVA_HOME}

[uhadoop@master hadoop]$ vi yarn-env.sh

export JAVA_HOME=/usr/java/jdk1.8.0_25

或export JAVA_HOME=${JAVA_HOME}

3.1.4.          格式化文件系统

格式化文件系统：

[uhadoop@master ~]$ cd /home/uhadoop/uhadoop/hadoop-2.5.2/bin

[uhadoop@master bin]$ hdfs namenode -format

14/12/11 17:57:48 INFO namenode.NameNode: STARTUP_MSG:

/************************************************************

STARTUP_MSG: Starting NameNode

STARTUP_MSG:   host = master/10.10.36.100

STARTUP_MSG:   args = [-format]

STARTUP_MSG:   version = 2.5.2

STARTUP_MSG:   classpath = /home/uhadoop/uhadoop/hadoop-2.5.2/etc/hadoop:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/hamcrest-core-1.3.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-digester-1.8.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-httpclient-3.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-collections-3.2.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/stax-api-1.0-2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/asm-3.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-el-1.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-lang-2.6.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-codec-1.4.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/hadoop-annotations-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jackson-mapper-asl-1.9.13.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/activation-1.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/httpcore-4.2.5.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/hadoop-auth-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/api-asn1-api-1.0.0-M20.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jaxb-impl-2.2.3-1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-net-3.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/netty-3.6.2.Final.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-logging-1.1.3.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/snappy-java-1.0.4.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jersey-core-1.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jetty-util-6.1.26.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/mockito-all-1.8.5.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jettison-1.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-beanutils-core-1.8.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jsp-api-2.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/servlet-api-2.5.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-beanutils-1.7.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/apacheds-i18n-2.0.0-M15.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jetty-6.1.26.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-io-2.4.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/httpclient-4.2.5.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/protobuf-java-2.5.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jackson-xc-1.9.13.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/guava-11.0.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jsr305-1.3.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jackson-core-asl-1.9.13.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/xz-1.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jasper-runtime-5.5.23.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/apacheds-kerberos-codec-2.0.0-M15.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jasper-compiler-5.5.23.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jackson-jaxrs-1.9.13.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/slf4j-api-1.7.5.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-compress-1.4.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/paranamer-2.3.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/xmlenc-0.52.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jaxb-api-2.2.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jets3t-0.9.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/java-xmlbuilder-0.4.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-cli-1.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/api-util-1.0.0-M20.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/zookeeper-3.4.6.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/log4j-1.2.17.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/avro-1.7.4.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jsch-0.1.42.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jersey-json-1.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-configuration-1.6.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/commons-math3-3.1.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/junit-4.11.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/lib/jersey-server-1.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/hadoop-nfs-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/hadoop-common-2.5.2-tests.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/common/hadoop-common-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/asm-3.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/commons-el-1.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/commons-lang-2.6.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/commons-codec-1.4.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/jackson-mapper-asl-1.9.13.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/netty-3.6.2.Final.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/commons-logging-1.1.3.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/commons-daemon-1.0.13.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/jersey-core-1.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/jetty-util-6.1.26.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/jsp-api-2.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/servlet-api-2.5.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/jetty-6.1.26.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/commons-io-2.4.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/protobuf-java-2.5.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/guava-11.0.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/jsr305-1.3.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/jackson-core-asl-1.9.13.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/jasper-runtime-5.5.23.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/xmlenc-0.52.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/commons-cli-1.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/log4j-1.2.17.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/lib/jersey-server-1.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/hadoop-hdfs-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/hadoop-hdfs-2.5.2-tests.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/hdfs/hadoop-hdfs-nfs-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/commons-httpclient-3.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/commons-collections-3.2.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/stax-api-1.0-2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/asm-3.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/commons-lang-2.6.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/commons-codec-1.4.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jackson-mapper-asl-1.9.13.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/activation-1.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jaxb-impl-2.2.3-1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/netty-3.6.2.Final.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/commons-logging-1.1.3.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jline-0.9.94.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jersey-core-1.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jersey-client-1.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jetty-util-6.1.26.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jettison-1.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/servlet-api-2.5.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jetty-6.1.26.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/commons-io-2.4.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/protobuf-java-2.5.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/aopalliance-1.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jackson-xc-1.9.13.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/guava-11.0.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/guice-3.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jsr305-1.3.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jersey-guice-1.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jackson-core-asl-1.9.13.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/xz-1.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jackson-jaxrs-1.9.13.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/javax.inject-1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/commons-compress-1.4.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jaxb-api-2.2.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/commons-cli-1.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/leveldbjni-all-1.8.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/zookeeper-3.4.6.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/log4j-1.2.17.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jersey-json-1.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/guice-servlet-3.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/lib/jersey-server-1.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/hadoop-yarn-api-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/hadoop-yarn-applications-unmanaged-am-launcher-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/hadoop-yarn-server-tests-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/hadoop-yarn-client-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/hadoop-yarn-server-common-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/hadoop-yarn-server-web-proxy-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/hadoop-yarn-applications-distributedshell-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/hadoop-yarn-server-applicationhistoryservice-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/hadoop-yarn-server-resourcemanager-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/hadoop-yarn-common-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/yarn/hadoop-yarn-server-nodemanager-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/hamcrest-core-1.3.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/asm-3.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/hadoop-annotations-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/jackson-mapper-asl-1.9.13.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/netty-3.6.2.Final.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/snappy-java-1.0.4.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/jersey-core-1.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/commons-io-2.4.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/protobuf-java-2.5.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/aopalliance-1.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/guice-3.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/jersey-guice-1.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/jackson-core-asl-1.9.13.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/xz-1.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/javax.inject-1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/commons-compress-1.4.1.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/paranamer-2.3.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/leveldbjni-all-1.8.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/log4j-1.2.17.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/avro-1.7.4.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/junit-4.11.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/guice-servlet-3.0.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/lib/jersey-server-1.9.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/hadoop-mapreduce-client-common-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/hadoop-mapreduce-client-core-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.5.2-tests.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/hadoop-mapreduce-client-hs-plugins-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/hadoop-mapreduce-client-shuffle-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/hadoop-mapreduce-client-hs-2.5.2.jar:/home/uhadoop/uhadoop/hadoop-2.5.2/share/hadoop/mapreduce/hadoop-mapreduce-client-app-2.5.2.jar:/contrib/capacity-scheduler/*.jar

STARTUP_MSG:   build = https://git-wip-us.apache.org/repos/asf/hadoop.git -r cc72e9b000545b86b75a61f4835eb86d57bfafc0; compiled by 'jenkins' on 2014-11-14T23:45Z

STARTUP_MSG:   java = 1.8.0_25

************************************************************/

14/12/11 17:57:48 INFO namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT]

14/12/11 17:57:48 INFO namenode.NameNode: createNameNode [-format]

Java HotSpot(TM) Server VM warning: You have loaded library /home/uhadoop/uhadoop/hadoop-2.5.2/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack guard now.

It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.

14/12/11 17:57:49 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

Formatting using clusterid: CID-3bc7e084-b3ae-4cd1-8753-4640d03e4420

14/12/11 17:57:50 INFO namenode.FSNamesystem: fsLock is fair:true

14/12/11 17:57:50 INFO blockmanagement.DatanodeManager: dfs.block.invalidate.limit=1000

14/12/11 17:57:50 INFO blockmanagement.DatanodeManager: dfs.namenode.datanode.registration.ip-hostname-check=true

14/12/11 17:57:50 INFO blockmanagement.BlockManager: dfs.namenode.startup.delay.block.deletion.sec is set to 000:00:00:00.000

14/12/11 17:57:50 INFO blockmanagement.BlockManager: The block deletion will start around 2014 Dec 11 17:57:50

14/12/11 17:57:50 INFO util.GSet: Computing capacity for map BlocksMap

14/12/11 17:57:50 INFO util.GSet: VM type       = 32-bit

14/12/11 17:57:50 INFO util.GSet: 2.0% max memory 889 MB = 17.8 MB

14/12/11 17:57:50 INFO util.GSet: capacity      = 2^22 = 4194304 entries

14/12/11 17:57:50 INFO blockmanagement.BlockManager: dfs.block.access.token.enable=false

14/12/11 17:57:50 INFO blockmanagement.BlockManager: defaultReplication         = 3

14/12/11 17:57:50 INFO blockmanagement.BlockManager: maxReplication             = 512

14/12/11 17:57:50 INFO blockmanagement.BlockManager: minReplication             = 1

14/12/11 17:57:50 INFO blockmanagement.BlockManager: maxReplicationStreams      = 2

14/12/11 17:57:50 INFO blockmanagement.BlockManager: shouldCheckForEnoughRacks  = false

14/12/11 17:57:50 INFO blockmanagement.BlockManager: replicationRecheckInterval = 3000

14/12/11 17:57:50 INFO blockmanagement.BlockManager: encryptDataTransfer        = false

14/12/11 17:57:50 INFO blockmanagement.BlockManager: maxNumBlocksToLog          = 1000

14/12/11 17:57:50 INFO namenode.FSNamesystem: fsOwner             = uhadoop (auth:SIMPLE)

14/12/11 17:57:50 INFO namenode.FSNamesystem: supergroup          = supergroup

14/12/11 17:57:50 INFO namenode.FSNamesystem: isPermissionEnabled = true

14/12/11 17:57:50 INFO namenode.FSNamesystem: HA Enabled: false

14/12/11 17:57:50 INFO namenode.FSNamesystem: Append Enabled: true

14/12/11 17:57:51 INFO util.GSet: Computing capacity for map INodeMap

14/12/11 17:57:51 INFO util.GSet: VM type       = 32-bit

14/12/11 17:57:51 INFO util.GSet: 1.0% max memory 889 MB = 8.9 MB

14/12/11 17:57:51 INFO util.GSet: capacity      = 2^21 = 2097152 entries

14/12/11 17:57:51 INFO namenode.NameNode: Caching file names occuring more than 10 times

14/12/11 17:57:51 INFO util.GSet: Computing capacity for map cachedBlocks

14/12/11 17:57:51 INFO util.GSet: VM type       = 32-bit

14/12/11 17:57:51 INFO util.GSet: 0.25% max memory 889 MB = 2.2 MB

14/12/11 17:57:51 INFO util.GSet: capacity      = 2^19 = 524288 entries

14/12/11 17:57:51 INFO namenode.FSNamesystem: dfs.namenode.safemode.threshold-pct = 0.9990000128746033

14/12/11 17:57:51 INFO namenode.FSNamesystem: dfs.namenode.safemode.min.datanodes = 0

14/12/11 17:57:51 INFO namenode.FSNamesystem: dfs.namenode.safemode.extension     = 30000

14/12/11 17:57:51 INFO namenode.FSNamesystem: Retry cache on namenode is enabled

14/12/11 17:57:51 INFO namenode.FSNamesystem: Retry cache will use 0.03 of total heap and retry cache entry expiry time is 600000 millis

14/12/11 17:57:51 INFO util.GSet: Computing capacity for map NameNodeRetryCache

14/12/11 17:57:51 INFO util.GSet: VM type       = 32-bit

14/12/11 17:57:51 INFO util.GSet: 0.029999999329447746% max memory 889 MB = 273.1 KB

14/12/11 17:57:51 INFO util.GSet: capacity      = 2^16 = 65536 entries

14/12/11 17:57:51 INFO namenode.NNConf: ACLs enabled? false

14/12/11 17:57:51 INFO namenode.NNConf: XAttrs enabled? true

14/12/11 17:57:51 INFO namenode.NNConf: Maximum size of an xattr: 16384

14/12/11 17:57:51 INFO namenode.FSImage: Allocated new BlockPoolId: BP-1623836625-10.10.36.100-1418349471725

14/12/11 17:57:52 INFO common.Storage: Storage directory /tmp/hadoop-uhadoop/dfs/name has been successfully formatted.

14/12/11 17:57:52 INFO namenode.NNStorageRetentionManager: Going to retain 1 images with txid >= 0

14/12/11 17:57:52 INFO util.ExitUtil: Exiting with status 0

14/12/11 17:57:52 INFO namenode.NameNode: SHUTDOWN_MSG:

/************************************************************

SHUTDOWN_MSG: Shutting down NameNode at master/10.10.36.100

************************************************************/

3.1.5.          启动或停止服务

1.启动dfs、yarn

[uhadoop@master sbin]$ cd /home/uhadoop/uhadoop/hadoop-2.5.2/sbin

[uhadoop@master sbin]$ ./start-dfs.sh

Java HotSpot(TM) Server VM warning: You have loaded library /home/uhadoop/uhadoop/hadoop-2.5.2/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack guard now.

It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.

14/12/11 01:40:26 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

Starting namenodes on [master]

master: starting namenode, logging to /home/uhadoop/uhadoop/hadoop-2.5.2/logs/hadoop-uhadoop-namenode-master.out

node2: starting datanode, logging to /home/uhadoop/uhadoop/hadoop-2.5.2/logs/hadoop-uhadoop-datanode-node2.out

node1: datanode running as process 3197. Stop it first.

Starting secondary namenodes [0.0.0.0]

The authenticity of host '0.0.0.0 (0.0.0.0)' can't be established.

RSA key fingerprint is e2:46:50:9a:3a:19:0a:2f:4e:ef:b2:68:2b:91:f5:40.

Are you sure you want to continue connecting (yes/no)? yes

0.0.0.0: Warning: Permanently added '0.0.0.0' (RSA) to the list of known hosts.

0.0.0.0: starting secondarynamenode, logging to /home/uhadoop/uhadoop/hadoop-2.5.2/logs/hadoop-uhadoop-secondarynamenode-master.out

Java HotSpot(TM) Server VM warning: You have loaded library /home/uhadoop/uhadoop/hadoop-2.5.2/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack guard now.

It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.

14/12/11 01:40:56 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

[uhadoop@master sbin]$ ./start-yarn.sh

starting yarn daemons

starting resourcemanager, logging to /home/uhadoop/uhadoop/hadoop-2.5.2/logs/yarn-uhadoop-resourcemanager-master.out

node1: starting nodemanager, logging to /home/uhadoop/uhadoop/hadoop-2.5.2/logs/yarn-uhadoop-nodemanager-node1.out

node2: starting nodemanager, logging to /home/uhadoop/uhadoop/hadoop-2.5.2/logs/yarn-uhadoop-nodemanager-node2.out

[uhadoop@master sbin]$ ./start-all.sh

[uhadoop@master sbin]$ ./stop-all.sh

[uhadoop@master sbin]$ ./stop-dfs.sh

[uhadoop@master sbin]$ ./stop-yarn.sh

3.1.6.          查看Hadoop信息

1.查看安全模式的状态

[uhadoop@master bin]$ hadoop dfsadmin -safemode get

DEPRECATED: Use of this script to execute hdfs command is deprecated.

Instead use the hdfs command for it.

Java HotSpot(TM) Server VM warning: You have loaded library /home/uhadoop/uhadoop/hadoop-2.5.2/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack guard now.

It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.

14/12/11 19:11:23 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

Safe mode is OFF

[uhadoop@master bin]$ hadoop dfsadmin -safemode leave

DEPRECATED: Use of this script to execute hdfs command is deprecated.

Instead use the hdfs command for it.

Java HotSpot(TM) Server VM warning: You have loaded library /home/uhadoop/uhadoop/hadoop-2.5.2/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack guard now.

It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.

14/12/11 19:13:45 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

Safe mode is OFF

2.查询Hadoop信息：

[uhadoop@master bin]$ $ pwd

/home/uhadoop/uhadoop/hadoop-2.5.2/bin

[uhadoop@master bin]$ hadoop dfsadmin -report

DEPRECATED: Use of this script to execute hdfs command is deprecated.

Instead use the hdfs command for it.

Java HotSpot(TM) Server VM warning: You have loaded library /home/uhadoop/uhadoop/hadoop-2.5.2/lib/native/libhadoop.so.1.0.0 which might have disabled stack guard. The VM will try to fix the stack guard now.

It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.

14/12/11 19:05:40 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

Configured Capacity: 24809701376 (23.11 GB)

Present Capacity: 17320230912 (16.13 GB)

DFS Remaining: 17320181760 (16.13 GB)

DFS Used: 49152 (48 KB)

DFS Used%: 0.00%

Under replicated blocks: 0

Blocks with corrupt replicas: 0

Missing blocks: 0

-------------------------------------------------

Live datanodes (2):

Name: 10.10.36.123:50010 (node2)

Hostname: node2

Decommission Status : Normal

Configured Capacity: 12404850688 (11.55 GB)

DFS Used: 24576 (24 KB)

Non DFS Used: 3741917184 (3.48 GB)

DFS Remaining: 8662908928 (8.07 GB)

DFS Used%: 0.00%

DFS Remaining%: 69.83%

Configured Cache Capacity: 0 (0 B)

Cache Used: 0 (0 B)

Cache Remaining: 0 (0 B)

Cache Used%: 100.00%

Cache Remaining%: 0.00%

Xceivers: 1

Last contact: Thu Dec 11 19:05:40 PST 2014

Name: 10.10.36.101:50010 (node1)

Hostname: node1

Decommission Status : Normal

Configured Capacity: 12404850688 (11.55 GB)

DFS Used: 24576 (24 KB)

Non DFS Used: 3747553280 (3.49 GB)

DFS Remaining: 8657272832 (8.06 GB)

DFS Used%: 0.00%

DFS Remaining%: 69.79%

Configured Cache Capacity: 0 (0 B)

Cache Used: 0 (0 B)

Cache Remaining: 0 (0 B)

Cache Used%: 100.00%

Cache Remaining%: 0.00%

Xceivers: 1

Last contact: Thu Dec 11 19:05:39 PST 2014

4.          Hadoop-HDFS 测试

5.          参考资料

5.1.       参考资料

参考资料：

Ubuntu14.04下安装Hadoop2.4.0 （单机模式）
http://www.cnblogs.com/kinglau/p/3794433.html

Ubuntu14.04下安装Hadoop2.4.0 （伪分布模式）
http://www.cnblogs.com/kinglau/p/3796164.html

伪分布模式下执行wordcount实例时报错解决办法
http://www.cnblogs.com/kinglau/p/3364928.html

Eclipse下搭建Hadoop2.4.0开发环境
http://www.cnblogs.com/kinglau/p/3802705.html

Hadoop学习三十：Win7 Eclipse调试Centos Hadoop2.2-Mapreduce
http://zy19982004.iteye.com/blog/2024467

hadoop2.5.0 centOS系列 分布式的安装 部署
http://my.oschina.net/yilian/blog/310189

Centos6.5源码编译安装Hadoop2.5.1
http://www.myhack58.com/Article/sort099/sort0102/2014/54025.htm

Hadoop MapReduce两种常见的容错场景分析
http://www.chinacloud.cn/show.aspx?id=15793&cid=17

hadoop 2.2.0集群安装
http://blog.csdn.net/bluishglc/article/details/24591185

Apache Hadoop 2.2.0 HDFS HA + YARN多机部署
http://blog.csdn.net/u010967382/article/details/20380387

Hadoop集群配置（最全面总结）
http://blog.csdn.net/hguisu/article/details/7237395

Hadoop hdfs-site.xml 配置项清单
http://he.iori.blog.163.com/blog/static/6955953520138107638208/
http://slaytanic.blog.51cto.com/2057708/1101111

Hadoop三种安装模式
http://blog.csdn.net/liumm0000/article/details/13408855

5.2.       常用命令

常用命令：

hadoop dfs -ls 列出HDFS下的文件
hadoop dfs -ls in 列出HDFS下某个文档中的文件
hadoop dfs -put test1.txt test 上传文件到指定目录并且重新命名，只有所有的DataNode都接收完数据才算成功
hadoop dfs -get in getin 从HDFS获取文件并且重新命名为getin，同put一样可操作文件也可操作目录
hadoop dfs -rmr out 删除指定文件从HDFS上
hadoop dfs -cat in/* 查看HDFS上in目录的内容
hadoop dfsadmin -report 查看HDFS的基本统计信息，结果如下
hadoop dfsadmin -safemode leave 退出安全模式
hadoop dfsadmin -safemode enter 进入安全模式

start-balancer.sh 负载均衡

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