Hadoop3.0配置

1、core-site.xml

fs.default.namenode
hdfs://172.16.100.34:9000


hadoop.tmp.dir
/opt/data/tmp

2、hdfs-site.xml

dfs.replication
2


dfs.permissions
false


dfs.name.dir
/opt/data/input

3、mapred-site.xml

mapred.job.tracker
http://172.16.100.34:9001


mapreduce.framework.name
yarn


mapreduce.application.classpath
/opt/modules/hadoop-3.0.0-alpha4/etc/hadoop,
/opt/modules/hadoop-3.0.0-alpha4/share/hadoop/common/*,
/opt/modules/hadoop-3.0.0-alpha4/share/hadoop/common/lib/*,
/opt/modules/hadoop-3.0.0-alpha4/share/hadoop/hdfs/*,
/opt/modules/hadoop-3.0.0-alpha4/share/hadoop/hdfs/lib/*,
/opt/modules/hadoop-3.0.0-alpha4/share/hadoop/mapreduce/*,
/opt/modules/hadoop-3.0.0-alpha4/share/hadoop/mapreduce/lib/*,
/opt/modules/hadoop-3.0.0-alpha4/share/hadoop/yarn/*,
/opt/modules/hadoop-3.0.0-alpha4/share/hadoop/yarn/lib/*