角色 | 安装 | hdfs配置 | yarn配置 | hdfs 格式化 | 启动yarn服务 | 启动hdfs服务 |
master | yum install hadoop-hdfs-namenode yum install hadoop-yarn-resourcemanager | core-site.xml hdfs-site.xml | mapred-site.xml yarn-site.xml | hdfs>hdfs namenode -format | root>service hadoop-yarn-resourcemanager start | root>service hadoop-hdfs-namenode start |
slave | yum install hadoop-hdfs-datanode yum install hadoop-yarn-nodemanager | core-site.xml hdfs-site.xml | mapred-site.xml yarn-site.xml | root>service hadoop-yarn-nodemanager start | root>service hadoop-hdfs-namenode start | |
proxy | yum install hadoop-mapreduce-historyserver yum install hadoop-yarn-proxyserver | core-site.xml hdfs-site.xml | mapred-site.xml yarn-site.xml | root>service hadoop-mapreduce-historyserver start root>service hadoop-yarn-proxyserver start | ||
client | yum install hadoop-client | core-site.xml hdfs-site.xml | mapred-site.xml yarn-site.xml |
角色 | hdfs本地存储目录 | hdfs云存储目录 | yarn本地存储目录 |
master | mkdir -p /data/dfs/nn chown hdfs:hadoop | ||
slave | mkdir -p /data/dfs/dn chown hdfs:hadoop | mkdir -p /data/yarn/local mkdir -p /data/yarn/logs | |
proxy | |||
client | hdfs dfs –mkdir /tmp hdfs dfs –mkdir /user/history hdfs dfs –mkdir /var/log/hadoop-yarn |
hdfs本地存储目录，必须授权给用户hdfs:hadoop;yarn本地存储目录，必须授权给用户yarn:hadoop;一切目录设置均与xml文件对应！root用户只有安装、启动服务期限，没有hadoop执行权限。
Hdfs服务web地址 | cMaster:50070 |
Yarn服务web地址 | cMaster:8088 |
JobHistory服务web地址 | cProxy:19888 |
建立私有账户joe
[root@iClient~]#adduser joe | 本地新建joe用户 |
[root@iClient~]#passwd joe | 更改joe密码 |
[hdfs@iClient~]#hdfs dfs –mkdir /user/joe | 在hdfs建立joe的家目录 |
[hdfs@iClient~]#hdfs dfs –chown –R joe /user/joe | 给家目录授权 |
[hdfs@iClient~]#sudo –u joe hdfs dfs –put /……/yourdata.txt joeInput | 本地文件yourdata.txt上传至joeInput |
[hdfs@iClient~]#sudo –u joe Hadoop jar /…/hadoo-mapreduce-example.jar pi 4 10000 | 执行例程的pi，4个map，做10000次。 |