hadoop集群测试

master操作：

[admin@master ~]$ start-all.sh

[admin@master ~]$ jps

[admin@master ~]$ hadoop fs -mkdir /input

[admin@master ~]$ cd hadoop-3.0.0/
[admin@master hadoop-3.0.0]$ ls

[admin@master hadoop-3.0.0]$ hadoop fs -put LICENSE.txt /input
[admin@master hadoop-3.0.0]$ hadoop fs -ls /input

[admin@master hadoop-3.0.0]$ cd share/hadoop/mapreduce/
[admin@master mapreduce]$ ls

[admin@master mapreduce]$ hadoop jar hadoop-mapreduce-examples-3.0.0.jar wordcount /input /output

[admin@master mapreduce]$ hadoop fs -cat /output/*

[admin@master mapreduce]$ stop-all.sh

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

来源：https://www.cnblogs.com/Luoters/p/11996905.html