Introduction - If you have any usage issues, please Google them yourself
Hadoop implements a distributed file system (Hadoop Distributed File System), referred to HDFS. HDFS has a high fault tolerance features, and designed to be deployed in low (low-cost) hardware. And it offers high transfer rate (high throughput) to access the application data, for those with very large data sets (large data set) applications. HDFS relax (relax) POSIX requirements (requirements) that can flow in the form of access (streaming access) file system data.