
[root@master ~]# start-all.sh 
This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh
Starting namenodes on [master]
master: starting namenode, logging to /root/hadoop-2.7.7/logs/hadoop-root-namenode-master.out
s2: starting datanode, logging to /root/hadoop-2.7.7/logs/hadoop-root-datanode-slave2.out
s1: starting datanode, logging to /root/hadoop-2.7.7/logs/hadoop-root-datanode-slave.out
localhost: starting datanode, logging to /root/hadoop-2.7.7/logs/hadoop-root-datanode-master.out
Starting secondary namenodes [0.0.0.0]
0.0.0.0: starting secondarynamenode, logging to /root/hadoop-2.7.7/logs/hadoop-root-secondarynamenode-master.out
starting yarn daemons
starting resourcemanager, logging to /root/hadoop-2.7.7/logs/yarn-root-resourcemanager-master.out
s2: starting nodemanager, logging to /root/hadoop-2.7.7/logs/yarn-root-nodemanager-slave2.out
s1: starting nodemanager, logging to /root/hadoop-2.7.7/logs/yarn-root-nodemanager-slave.out
localhost: starting nodemanager, logging to /root/hadoop-2.7.7/logs/yarn-root-nodemanager-master.out

同时访问界面

http://192.168.244.130:50070/

其实就是Master:50070

使用命令行

1. 确认HDFS目标路径已存在,如果没有可以先创建:


bash
hdfs dfs -mkdir /zjcbigdata

2. 上传本地文件到HDFS路径下:


bash
hdfs dfs -put /root/res.csv /zjcbigdata

这个命令会把本地/root/res.csv文件上传到HDFS的/zjcbigdata路径下。3. 验证文件是否上传成功:


bash
hdfs dfs -ls /zjcbigdata

如果成果进入界面可以找到

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