Time for action – configuring the pseudo-distributed mode

Take a look in the conf directory within the Hadoop distribution. There are many configuration files, but the ones we need to modify are core-site.xml, hdfs-site.xml and mapred-site.xml.

1. Modify core-site.xml to look like the following code:

   <?xml version="1.0"?>
   <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
   
   <!-- Put site-specific property overrides in this file. -->
   
   <configuration>
   <property>
   <name>fs.default.name</name>
   <value>hdfs://localhost:9000</value>
   </property>
   </configuration>

2. Modify hdfs-site.xml to look like the following code:

   <?xml version="1.0"?>
   <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
   
   <!-- Put site-specific property overrides in this file. -->
   
   <configuration>
   <property>
   <name>dfs.replication</name>
   <value>1</value>
   </property>
   </configuration>

3. Modify mapred...