Hadoop Data Warehouse: What and Why?
One of the most sought-after innovations in the IT industry in today’s time is Big-data and it has taken the entire world by a storm. A major contributor to this exceptional rise is the Hadoop data warehouse and its related big data technologies. Hadoop has a number of advantages that provide the power of parallel processing to the programmers. The hype and expectations around Hadoop have been witnessing a steep rise and the excitement is coming out in the form of IoT. What is Hadoop? Hadoop has an architecture that is very similar to traditional data warehouses. While the basic structure might seem similar, there are some very obvious differences between the two. Traditional data warehouses define a parallel architecture, whereas Hadoop’s architecture includes processors that are loosely coupled across a cluster of Hadoop platforms. Each of these clusters has the ability to work on different data sources. Data catalog, data manipulation engine, and...