pyhdfs安装

参考：

http://blog.csdn.net/sinat_33741547/article/details/54428726

1、先更新pip，防止版本过低
pip install --upgrade pip
2、pip install pyHdfs

from pyhdfs import HdfsClient 
client = HdfsClient(hosts='192.168.1.210:50070') 
print(client.list_status('/'))