<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <configuration> <property> <name>mapreduce.framework.name</name> <value>yarn</value> </property> <property> <name>yarn.app.mapreduce.am.staging-dir</name> <value>/user</value> </property> <property> <name>mapreduce.jobhistory.address</name> <value>uhadoop-ia1nlbku-master2:10020</value> </property> <property> <name>mapreduce.job.reduce.slowstart.completedmaps</name> <value>0.95</value> </property> <property> <name>mapreduce.map.memory.mb</name> <value>2048</value> </property> <property> <name>mapreduce.reduce.memory.mb</name> <value>2048</value> </property> <property> <name>mapreduce.map.java.opts</name> <value>-Xmx1843M</value> </property> <property> <name>mapreduce.reduce.java.opts</name> <value>-Xmx1843M</value> </property> <property> <name>mapreduce.task.io.sort.mb</name> <value>512</value> </property> <property> <name>mapreduce.task.io.sort.factor</name> <value>100</value> </property> <property> <name>mapreduce.reduce.shuffle.parallelcopies</name> <value>50</value> </property> <property> <name>mapreduce.jobhistory.webapp.address</name> <value>uhadoop-ia1nlbku-master2:19888</value> </property> </configuration>