Explain Hadoop Distributed File Systems (HDFS)

Difficulty: unrated

Answer

Distributed file system providing high aggregate bandwidth across the cluster.
For a user it looks like a regular file system structure but behind the scenes it's distributed across multiple machines in a cluster
Typical file size is TB and it can scale and supports millions of files
It's fault tolerant which means it provides automatic recovery from faults
It's best suited for running long batch operations rather than live analysis