hadoop分布式部署
阿新 • • 發佈：2018-10-30
mark fig webapp schedule spec handle http size 文件系統
環境：
CentOS7.5
192.168.11.205 test2
192.168.11.206 test3
192.168.11.207 test4-8g
設置host
# vim /etc/hosts
192.168.11.205 test2
192.168.11.206 test3
192.168.11.207 test4-8安裝jdk(三個節點都需要)
https://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html jdk官網
# tar xvf jdk-8u151-linux-x64.tar.gz -C /usr/local/ # mv /usr/local/jdk1.8.0_151/ /usr/local/jdk
# vim /etc/profile # 添加末尾
export JAVA_HOME=/usr/local/jdk
export PATH=$PATH:$JAVA_HOME:$JAVA_HOME/bin:$JAVA_HOME/lib# source /etc/profile# java -version
java version "1.8.0_151"
Java(TM) SE Runtime Environment (build 1.8.0_151-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.151-b12, mixed mode)免密
[root@test2 ~]# ssh-keygen
[root@test2 ~]# ssh-copy-id test3
[root@test2 ~]# ssh-copy-id test4-8g下載hadoop
https://hadoop.apache.org/releases.html 官網
[root@test2 ~]# tar xvf hadoop-2.8.5.tar.gz 環境變量(三個節點都需要)
# vim .bash_profile # 添加末尾 export HADOOP_HOME=/root/hadoop-2.8.5 export PATH=$PATH:$HADOOP_HOME:$HADOOP_HOME/bin:$HADOOP_HOME/lib:$HADOOP_HOME/share:$HADOOP_HOME/sbin
[root@test2 ~]# source .bash_profile配置hadoop
[root@test2 ~]# cd hadoop-2.8.5/etc/hadoop/[root@test2 ~]# vim hadoop-env.sh
export JAVA_HOME=/usr/local/jdk[root@test2 ~]# vim core-site.xml #
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://test2:9000</value>
</property>
<property>
<name>hadoop.tmp.dir</name>
<value>file:/home/hadoop/tmp</value>
</property>
</configuration>[root@test2 hadoop]# vim hdfs-site.xml
<configuration>
<property>
<name>dfs.namenode.name.dir</name>
<value>/home/hadoop/name</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>file:/home/hadoop/data</value>
</property>
<property>
<name>dfs.replication</name>
<value>2</value>
</property>
<property>
<name>dfs.webhdfs.enabled</name>
<value>true</value>
</property>
</configuration>[root@test2 hadoop]# vim mapred-site.xml.template
<configuration>
<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
</property>
<property>
<name>mapreduce.task.io.sort.factor</name>
<value>100</value>
</property>
<property>
<name>mapreduce.reduce.shuffle.parallelcopies</name>
<value>50</value>
</property>
<property>
<name>mapreduce.jobhistory.address</name>
<value>0.0.0.0:10020</value>
</property>
<property>
<name>mapreduce.jobhistory.webapp.address</name>
<value>0.0.0.0:19888</value>
</property>
</configuration>[root@test2 hadoop]# vim yarn-site.xml
<configuration>
<!-- Site specific YARN configuration properties -->
<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>
<property>
<name>yarn.nodemanager.aux-services.mapreduce.shuffle.class</name>
<value>org.apache.hadoop.mapred.ShuffleHandler</value>
</property>
<property>
<name>yarn.resourcemanager.address</name>
<value>test2:8032</value>
</property>
<property>
<name>yarn.resourcemanager.scheduler.address</name>
<value>test2:8030</value>
</property>
<property>
<name>yarn.resourcemanager.resource-tracker.address</name>
<value>test2:8031</value>
</property>
<property>
<name>yarn.resourcemanager.admin.address</name>
<value>test2:8033</value>
</property>
<property>
<name>yarn.resourcemanager.webapp.address</name>
<value>test2:8088</value>
</property>
<property>
<name>yarn.application.classpath</name>
<value>/root/hadoop2.8.5/etc/hadoop:/root/hadoop2.8.5/share/hadoop/common/lib/*:/root/hadoop-2.8.5/share/hadoop/common/*:/root/hadoop-2.8.5/share/hadoop/hdfs:/root/hadoop-2.8.5/share/hadoop/hdfs/lib/*:/root/hadoop-2.8.5/share/hadoop/hdfs/*:/root/hadoop-2.8.5/share/hadoop/mapreduce/*:/root/hadoop-2.8.5/share/hadoop/yarn:/root/hadoop-2.8.5/share/hadoop/yarn/lib/*:/root/hadoop-2.8.5/share/hadoop/yarn/* </value>
</property>
</configuration>復制到其它節點
[root@test2 ~]# scp -r hadoop-2.8.5 test3:/root
[root@test2 ~]# scp -r hadoop-2.8.5 test4-8g:/root格式化文件系統(三個節點都需要)
# hdfs namenode -format # 格式化一個新的分布式文件系統啟動(三個節點都需要)
# start-all.sh # Hadoop守護進程查看服務(三個節點都需要)
# jps
24627 Jps
22692 ResourceManager
22968 NodeManager
22250 NameNode
22378 DataNode
22539 SecondaryNameNode檢測
http://192.168.11.205:50070
hadoop分布式部署