安装Homebrew

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

官网：https://brew.sh/index_zh-cn.html

安装Hadoop

brew install hadoop

查看安装路径：

brew list hadoop

配置Hadoop

前往安装目录（默认为/usr/local/Cellar/hadoop/2.8.0）

cd /usr/local/Cellar/hadoop/2.8.0/libexec/etc/hadoop/

修改相关配置文件

Core-site.xml

<configuration>
  <property>
     <name>hadoop.tmp.dir</name>  
     <value>/usr/local/Cellar/hadoop/hdfs/tmp</value>
    <description>A base for other temporary directories.</description>
  </property>
  <property>
     <name>fs.default.name</name>                                     
     <value>hdfs://localhost:9000</value>                             
  </property>                                                       
</configuration> 

mapred-site.xml.templete

<configuration>
       <property>
         <name>mapred.job.tracker</name>
         <value>localhost:9010</value>
       </property>
 </configuration>

hdfs-site.xml

<configuration>
    <property>
      <name>dfs.replication</name>
      <value>1</value>
     </property>
 </configuration>

运行Hadoop

格式化Namenode

cd /usr/local/Cellar/hadoop/2.8.0/bin
hadoop namenode -format

启动Hadoop

cd /usr/local/Cellar/hadoop/2.8.0/sbin
./start-all.sh

检查运行状态

Jps

jps

查看以下服务是否正常启动

94945 DataNode

95059 SecondaryNameNode

94853 NameNode

95318 Jps

95181 ResourceManager

95279 NodeManager

访问以下网址

Resource Manager: http://localhost:50070

JobTracker: http://localhost:8088

Specific Node Information: http://localhost:8042