Construction of pseudo-distributed environment in Hadoop2.0

Preparing for the Linux environment "JAVA,IP,HOSTNAME,HOSTS,IPTABLES,CHKCONFIG,SSH" will not be configured to find 1.0 pseudo-distribution environment under construction

Download stable version 2.2.0

Modify the configuration file under the Etc/hadoop directory Core-site.xml,hdfs-site.xml,yarn-site.xml,mapred-site.xml

File Core-site.xml

<configuration>

<property>

<name>fs.defaultFS</name>

<value>hdfs://hadoop0:9000</value>

</property>

<property>

<name>hadoop.tmp.dir</name>

<value>/usr/local/hadoop-2.2.0/tmp</value>

</property>

<property>

<name>fs.trash.interval</name>//Opener Trash box function

<value>1440</value>

</property>

</configuration>

File Hdfs-site.xml

<configuration>

<property>

<name>dfs.replication</name>

<value>1</value>

</property>

<property>

<name>dfs.permissions</name>

<value>false</value>

</property>

</configuration>

File Yarn-site.xml

<configuration>

<property>

<name>yarn.nodemanager.aux-services</name>

<value>mapreduce_shuffle</value>

</property>

</configuration>

File Mapred-site.xml

<configuration>

<property>

<name>mapreduce.framework.name</name>

<value>yarn</value>

</property>

</configuration>

Start formatting

Bin/hdfs Namenode-format

Start HDFs

sbin/hadoop-daemon.sh Start Namenode

sbin/hadoop-daemon.sh Start Datanode

Start yarn

sbin/yarn-daemon.sh start ResourceManager

sbin/yarn-daemon.sh Start NodeManager

Start Historyserver

sbin/mr-jobhistory-daemon.sh Start Historyserver

Construction of pseudo-distributed environment in Hadoop2.0