docker hadoop

### hadoop
docker pull docker.io/sequenceiq/hadoop-docker
docker run -itd --name hadoop -h hadoop -P sequenceiq/hadoop-docker
docker exec -it hadoop bash

### 格式化 namenode
/usr/local/hadoop-2.7.0/bin/hadoop namenode -format
### 运行 DFS
cd /usr/local/hadoop-2.7.0/sbin
./start-dfs.sh
### 查看运行情况
jps

### 查看hdfs
# http://10.8.60.127:32770

#### 查看yarn
# http://10.8.60.127:32775
# http://10.8.60.127:32776

cd /usr/local/hadoop-2.7.0/
/usr/local/hadoop-2.7.0/bin/hadoop jar share/hadoop/mapreduce/hadoop-mapreduce-examples-2.7.0.jar grep /user/kaibb/input output 'dfs[a-z.]+'

https://caidao.gitbooks.io/reading-notes/content/you-yi-si-de-jing-li/ji-yu-docker-kuai-su-da-jian-hive-huan-jing.html