Breaking Down Apache’s Hadoop Distributed File SystemApache Hadoop is a framework for big data. One of its main components is HDFS, Hadoop Distributed File System, which stores that data. You might expect that a storage framework that holds large quantities of data requires state-of-the-art infrastructure for a file system that does not fail, but quite the contrary is true.
Comparing Apache Hadoop Data Storage FormatsApache Hadoop can store data in several supported file formats. To decide which one you should use, analyze their properties and the type of data you want to store. Let's look at query time, data serialization, whether the file format is splittable, and whether it supports compression, then review some common use cases.
The Software behind the PRISM Intelligence-Gathering ProgramNews of the National Security Agency’s PRISM intelligence-gathering program has reverberated throughout the media. This sophisticated computer system has the capability to sift through enormous amounts of data and extrapolate meaning, giving the NSA a way to track people and their behaviors.
