Setting up an H2O Hadoop cluster on a Mac — H2O Documentation 2.8.1.1 documentation

Note: In Hadoop 1.x these files are found in, e.g., /usr/local/Cellar/hadoop/1.2.1/libexec/conf/. In Hadoop 2.x these files are found in, e.g., /usr/local/Cellar/hadoop/2.2.0/libexec/etc/hadoop/.

Modify core-site.xml to contain the following:

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

Modify mapred-site.xml to contain the following (NOTE: you may need to create the file from mapred-site.xml.template):

<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 hdfs-site.xml to contain the following:

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