1.1配置
1.1.1修改hosts
vi /etc/hosts
192.168.220.64 cluster4 192.168.220.63 cluster3
1.2安装jdk
rpm安装
rpm -ivh jdk-7u17-linux-x64.rpm
环境变量
vi /etc/profile #set java environment JAVA_HOME=/usr/java/jdk1.7.0_17 CLASSPATH=.:$JAVA_HOME/lib.tools.jar PATH=$JAVA_HOME/bin:$PATH export JAVA_HOME CLASSPATH PATH
环境变量生效
source /etc/profile
链接
ln -s -f /usr/java/jdk1.7.0_17/jre/bin/java ln -s -f /usr/java/jdk1.7.0_17/bin/javac
测试
java -version
java -version java version "1.7.0_17" Java(TM) SE Runtime Environment (build 1.7.0_17-b02) Java HotSpot(TM) 64-Bit Server VM (build 23.7-b01, mixed mode)
安装jdk报错，但是后续貌似不影响，暂时跳过。
[root@cluster3 java]# rpm -ivh jdk-7u17-linux-x64.rpm Preparing... ########################################### [100%] 1:jdk ########################################### [100%] Unpacking JAR files... rt.jar... Error: Could not open input file: /usr/java/jdk1.7.0_17/jre/lib/rt.pack jsse.jar... Error: Could not open input file: /usr/java/jdk1.7.0_17/jre/lib/jsse.pack charsets.jar... Error: Could not open input file: /usr/java/jdk1.7.0_17/jre/lib/charsets.pack tools.jar... Error: Could not open input file: /usr/java/jdk1.7.0_17/lib/tools.pack localedata.jar... Error: Could not open input file: /usr/java/jdk1.7.0_17/jre/lib/ext/localedata.pack
1.3配置ssh公钥密钥自动登录
[root@cluster3 ~]# cd .ssh [root@cluster3 .ssh]# ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in /root/.ssh/id_rsa. Your public key has been saved in /root/.ssh/id_rsa.pub. The key fingerprint is: 51:66:2a:0f:ce:30:a6:9d:d7:ed:0b:4b:69:6b:3d:50 root@cluster3 [root@cluster3 .ssh]# cat id_rsa.pub >> authorized_keys [root@cluster3 .ssh]# scp authorized_keys root@192.168.220.64:/root/.ssh/ root@192.168.220.64's password: authorized_keys 100% 394 0.4KB/s 00:00 [root@cluster3 .ssh]# ssh root@cluster3 Last login: Thu Oct 30 10:59:36 2014 from localhost.localdomain [root@cluster3 ~]# ssh root@cluster4 Last login: Tue Oct 28 12:38:13 2014 from 192.168.220.1
2安装hadoop
解压hadoop
tar -zxf hadoop-2.5.1.tar.gz
2.1修改core-site.xml
vi core-site.xml <configuration> <property> <name>fs.defaultFS</name> <value>hdfs://cluster3:9000</value> </property> <property> <name>hadoop.tmp.dir</name> <value>/usr/local/hadoop/hadoop-2.5.1/tmp</value> <description>Abase for other temporary directories.</description> </property> <property> <name>io.file.buffer.size</name> <value>4096</value> </property> </configuration>
2.2修改hdfs-site.xml
vi hdfs-site.xml <configuration> <property> <name>dfs.nameservices</name> <value>hadoop-cluster3</value> </property> <property> <name>dfs.namenode.secondary.http-address</name> <value>cluster3:50090</value> </property> <property> <name>dfs.namenode.name.dir</name> <value>file:///usr/local/hadoop/hadoop-2.5.1/dfs/name</value> </property> <property> <name>dfs.namenode.data.dir</name> <value>file:///usr/local/hadoop/hadoop-2.5.1/dfs/data</value> </property> <property> <name>dfs.replication</name> <value>1</value> </property> <property> <name>dfs.webhdfs.enabled</name> <value>true</value> </property> </configuration>
2.3修改mapred-site.xml
cp mapred-site.xml.template mapred-site.xml vi mapred-site.xml <configuration> <property> <name>mapreduce.framework.name</name> <value>yarn</value> </property> <property> <name>mapreduce.jobtracker.http.address</name> <value>cluster3:50030</value> </property> <property> <name>mapreduce.jobhistory.address</name> <value>cluster3:10020</value> </property> <property> <name>mapreduce.jobhistory.webapp.address</name> <value>cluster3:19888</value> </property> </configuration>
2.4修改yarn-site.xml
vi 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>cluster3:8032</value> </property> <property> <name>yarn.resourcemanager.scheduler.address</name> <value>cluster3:8030</value> </property> <property> <name>yarn.resourcemanager.resource-tracker.address</name> <value>cluster3:8031</value> </property> <property> <name>yarn.resourcemanager.admin.address</name> <value>cluster3:8033</value> </property> <property> <name>yarn.resourcemanager.webapp.address</name> <value>cluster3:8088</value> </property> </configuration>
2.5修改slaves
vi slaves
cluster4
3.1修改JAVA_HOME
分别在文件hadoop-env.sh和yarn-env.sh中添加JAVA_HOME配置
vi hadoop-env.sh export JAVA_HOME=/usr/java/jdk1.7.0_17 vi yarn-env.sh export JAVA_HOME=/usr/java/jdk1.7.0_17
3.2hadoop环境变量
登录Master，配置Hadoop环境变量。 vi /etc/profile export HADOOP_HOME=/usr/local/hadoop/hadoop-2.5.1 export PATH=$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$PATH source /etc/profile
3.3格式化文件系统
hdfs namenode -format
3.4启动、停止服务
[root@cluster3 sbin]# start-dfs.sh
[root@cluster3 sbin]# start-yarn.sh
[root@cluster3 sbin]# stop-dfs.sh
[root@cluster3 sbin]# stop-yarn.sh
4验证
[root@cluster3 hadoop]# jps 28287 Jps 28032 ResourceManager 27810 NameNode [root@cluster4 hadoop]# jps 27828 NodeManager 27724 DataNode 27930 Jps
查看日志
[root@cluster3 logs]# tail -n200 /usr/local/hadoop/hadoop-2.5.1/logs/yarn-root-resourcemanager-cluster3.log
4.2浏览器访问：
http://192.168.220.63:50070 http://192.168.220.63:8088
