<property>
    <name>yarn.nodemanager.log-dirs</name>
    <value>${hadoop.tmp.dir}/nodemanager/logs</value>
    <description>the directories used by Nodemanagers as log directories</description>
  </property>
<property>
    <name>yarn.nodemanager.aux-services</name>
    <value>mapreduce.shuffle</value>
    <description>shuffle service that needs to be set for Map Reduce to run </description>
  </property>
</configuration>
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