[Hadoop] Install Hadoop 2.2 on Win7 64bit

环境：win7,  64 bit, JDK7

1. Download the stable version 2.2.0

http://mirrors.cnnic.cn/apache/hadoop/common/stable2/

1. Unzip hadoop-2.2.0.tar.gz   to c:/hadoop

   
   

2. 设置环境变量  HADOOP_HOME 和     PATH (%HADOOP_HOME%/bin)

1. 修改%HADOOP_HOME%\etc\hadoop\hadoop-env.cmd中的JAVA_HOME为当前Java安装路径。

set JAVA_HOME="C:\Progra~1\Java\jdk1.7.0_51"

1. 下载https://github.com/srccodes/hadoop-common-2.2.0-bin/archive/master.zip,  把bin下的东西拷贝到hadoop\bin文件夹下。

   
   

2. 修改etc/hadoop下的配置文件：

• core-site.xml

<property>
    <name>fs.defaultFS</name>
    <value>hdfs://localhost:9100</value>
</property>

• hdfs-site.xm

• <property>
        <name>dfs.replication</name>
         <value>1</value>
   </property>
   <property>
        <name>dfs.namenode.name.dir</name>
        <value>file:/hadoop/data/namenode</value>
   </property>
   <property>
        <name>dfs.datanode.data.dir</name>
        <value>file:/hadoop/data/datanode</value>
   </property>

  yarn-site.xml
  

<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>

• mapred-site.xml

<property>
    <name>mapreduce.framework.name</name>
    <value>yarn</value>
</property>

1. CMD 运行 hadoop namenode -format

   
   

2. CMD 运行 sbin/start-all

   
   

3. 查看是否安装

   1. http://localhost:8042/node

   2. http://localhost:50070/dfshealth.jsp