Hadoop是一个开源框架,它允许在整个集群使用简单编程模型计算机的分布式环境存储并处理大数据。它的目的是从单一的服务器到上千台机器的扩展,(Hadoop is an open source framework that allows you to store and process large data in a distributed environment using a simple programming model computer throughout the cluster.Its purpose is to extend from a single server to a thousand machines,)