Setting up a H2O Hadoop cluster on a Mac — H2O 2.1.0.1223 documentation

Modify /usr/local/Cellar/hadoop/1.2.1/libexec/conf/core-site.xml to contain the following:

<configuration> <property> <name>fs.default.name</name> <value>hdfs://localhost:8020</value> </property>
</configuration>

Modify /usr/local/Cellar/hadoop/1.2.1/libexec/conf/mapred-site.xml to contain the following:

<configuration> <property> <name>mapred.job.tracker</name> <value>localhost:9001</value> </property> <property> <name>mapred.tasktracker.map.tasks.maximum</name> <value>5</value> </property>
</configuration>

Modify /usr/local/Cellar/hadoop/1.2.1/libexec/conf/hdfs-site.xml to contain the following:

<configuration> <property> <name>dfs.replication</name> <value>1</value> </property>
</configuration>