Five things you need to know about Hadoop v. Apache Spark

Listen in on any conversation about big data, and you'll probably hear mention of Hadoop or Apache Spark. Here's a brief look at what they do and how they compare.1: They do different things. Hadoop and Apache Spark are both big-data frameworks, but they don't really serve the same purposes. Hadoop is essentially a distributed data infrastructure: It distributes massive data collections across multiple nodes within a cluster of commodity servers, which means you don't need to buy and maintain ex