HDFS(Hadoop Distributed File System): HDFS is a distributed file system, It's specially design for storing huge data set with cluster(group of hardware) of commodity hardware through streaming access pattern. HDFS is highly fault-tolerant and is designed to be deployed on low-cost hardwares. Streaming access pattern...

What is Big Data?:  The Collection of data with huge size. It's too large and complex that none of the relational/traditional data management tools are able to store it or process it efficiently.  Example: We have a laptop and the data doesn't fit in that laptop that's the big data, the data which...