Hadoop安裝-分布式-Fully
〇、所需資料
一、配置
1、基礎配置
(1)系統安裝
(2)hostname主機名配置
(3)ip位址、dns、hosts映射檔案配置
(4)關閉防火牆與selinux
(5)開啟ntpd時鐘同步
(6)jdk安裝與環境變量配置
(7)機器克隆、配置
(8)ssh免密設定
2、部署配置
(1)包含内容
(2)hadoop環境變量配置
vi /etc/profile
(3)etc/hadoop下配置-core-site.xml
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://hadoop01:9000</value>
</property>
<property>
<name>hadoop.tmp.dir</name>
<value>/var/bigdata/tmp/hadoop/full</value>
</property>
</configuration>
(4)etc/hadoop下配置-hdfs-site.xml
<configuration>
<property>
<name>dfs.replication</name>
<value>2</value>
</property>
<property>
<name>dfs.namenode.name.dir</name>
<value>/var/bigdata/hadoop/full/dfs/name</value>
</property>
<property>
<name>dfs.datanode.data.dir</name>
<value>/var/bigdata/hadoop/full/dfs/data</value>
</property>
<property>
<name>dfs.namenode.secondary.http-address</name>
<value>hadoop02:50090</value>
</property>
<property>
<name>dfs.namenode.checkpoint.dir</name>
<value>/var/bigdata/hadoop/full/dfs/secondary</value>
</property>
</configuration>
(3)etc/hadoop下配置-slave配置dn
hadoop02
hadoop03
(4)目錄分發到其他節點
scp -r ./hadoop/ hadoop02:
pwd
二、啟動
1、nn格式化
bin/hdfs namenode -format
2、啟動dfs
sbin/start-dfs.sh