hadoop单机环境搭建

#配置Java环境变量
export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_181.jdk/Contents/Home
#配合Hadoop home
export HADOOP_HOME=/Users/yangyijun/workspace/soft/hadoop
#设置Hadoop配置文件路径
export HADOOP_CONF_DIR=/Users/yangyijun/workspace/soft/hadoop/etc/hadoop
#配置Hadoop本地库地址
export HADOOP_COMMON_LIB_NATIVE_DIR=/Users/yangyijun/workspace/soft/hadoop/lib/native
export HADOOP_OPTS="-Djava.library.path=/Users/yangyijun/workspace/soft/hadoop/lib/native"


-- core-site.xml

	fs.defaultFS
	hdfs://localhost:8020


	hadoop.tmp.dir
	/Users/yangyijun/workspace/data/hadoop/tmp



--  hdfs-site.xml

	dfs.replication
	1


	dfs.namenode.name.dir      					     
	/Users/yangyijun/workspace/data/hadoop/nn


	dfs.datanode.data.dir                       
	/Users/yangyijun/workspace/data/hadoop/dn


	dfs.permissions.enabled                       
	false


	dfs.datanode.data.dir.perm                       
	750


-- mapred-site.xml

	mapreduce.framework.name
	yarn


--  yarn-site.xml


	yarn.resourcemanager.hostname
	localhost



	yarn.nodemanager.aux-services
	mapreduce_shuffle