接前一篇博客,这次做安装一个真正的分布式集群环境。
修改下面几个配置文件
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://bd1:9000</value>
</property>
</configuration>
<configuration>
<property>
<name>dfs.replication</name>
<value>3</value>
</property>
</configuration>
<configuration>
<property>
<name>mapreduce.framework.name</name>
<value>yarn</value>
</property>
<property>
<name>yarn.app.mapreduce.am.env</name>
<value>HADOOP_MAPRED_HOME=/apps/hadoop-3.0.0</value>
</property>
<property>
<name>mapreduce.map.env</name>
<value>HADOOP_MAPRED_HOME=/apps/hadoop-3.0.0</value>
</property>
<property>
<name>mapreduce.reduce.env</name>
<value>HADOOP_MAPRED_HOME=/apps/hadoop-3.0.0</value>
</property>
</configuration>
<configuration>
<property>
<name>yarn.nodemanager.aux-services</name>
<value>mapreduce_shuffle</value>
</property>
<property>
<name>yarn.nodemanager.vmem-check-enabled</name>
<value>false</value>
</property>
<property>
<name>yarn.nodemanager.vmem-pmem-ratio</name>
<value>4</value>
</property>
</configuration>
bd1
bd2
bd3
$ bin/hdfs namenode -format
$ sbin/start-dfs.sh
$ sbin/start-yarn.sh
$ sbin/stop-yarn.sh
$ sbin/stop-dfs.sh