Created
July 23, 2014 14:14
Workflow.xml for java map reduce job that uses distribued cache
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<workflow-app xmlns="uri:oozie:workflow:0.2" name="apachelog-wf"> | |
<start to="mr-node"/> | |
<action name="mr-node"> | |
<map-reduce> | |
<job-tracker>${jobTracker}</job-tracker> | |
<name-node>${nameNode}</name-node> | |
<prepare> | |
<delete path="${nameNode}/user/${wf:user()}/output/${outputDir}"/> | |
</prepare> | |
<configuration> | |
<property> | |
<name>mapred.mapper.new-api</name> | |
<value>true</value> | |
</property> | |
<property> | |
<name>mapred.reducer.new-api</name> | |
<value>true</value> | |
</property> | |
<property> | |
<name>mapred.job.queue.name</name> | |
<value>${queueName}</value> | |
</property> | |
<property> | |
<name>mapreduce.map.class</name> | |
<value>com.spnotes.hadoop.logs.ApacheLogMapper</value> | |
</property> | |
<property> | |
<name>mapreduce.reduce.class</name> | |
<value>com.spnotes.hadoop.logs.ApacheLogReducer</value> | |
</property> | |
<property> | |
<name>mapred.output.key.class</name> | |
<value>org.apache.hadoop.io.Text</value> | |
</property> | |
<property> | |
<name>mapred.output.value.class</name> | |
<value>org.apache.hadoop.io.IntWritable</value> | |
</property> | |
<property> | |
<name>mapred.map.tasks</name> | |
<value>1</value> | |
</property> | |
<property> | |
<name>mapred.input.dir</name> | |
<value>/user/${wf:user()}/${logFile}</value> | |
</property> | |
<property> | |
<name>mapred.output.dir</name> | |
<value>/user/${wf:user()}/output/${outputDir}</value> | |
</property> | |
</configuration> | |
<file>GeoLite.mmdb#GeoLite2-City.mmdb</file> | |
</map-reduce> | |
<ok to="end"/> | |
<error to="fail"/> | |
</action> | |
<kill name="fail"> | |
<message>Map/Reduce failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message> | |
</kill> | |
<end name="end"/> | |
</workflow-app> |
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