1、core-site.xml
fs.defaultFS
hdfs://hadoop102:8020
hadoop.tmp.dir
/opt/module/hadoop-3.1.3/data
2、hdfs-site.xml
dfs.namenode.http-address
hadoop102:9870
dfs.namenode.secondary.http-address
hadoop104:9868
3、yarn-site.xml
yarn.nodemanager.aux-services
mapreduce_shuffle
yarn.resourcemanager.hostname
hadoop103
yarn.nodemanager.env-whitelist
JAVA_HOME,HADOOP_COMMON_HOME,HADOOP_HDFS_HOME,HADOOP_CONF_DIR,CLASSPATH_PREPEND_DISTCACHE,HADOOP_YARN_HOME,HADOOP_MAPRED_HOME
4、yarn-site.xml
mapreduce.framework.name
yarn
mapreduce.jobhistory.address
ysy101:10020
mapreduce.jobhistory.webapp.address
ysy101:19888