Scaling Apache Spark is typically the last step before executing a Spark-dependent workflow. In previous articles, we introduced Spark, and showed how to optimize it. Once correctly optimized, scaling Apache Spark becomes trivial. To demonstrate, we return to the NYC taxi dataset originally described here. As of 2019, this dataset contains about 1.5 billion anonymized [...]
Apache Spark and Hadoop in big data analytics
Increasingly, data analysts turn to Apache Spark and Hadoop to take the "big" out of "big data." Typically, this entails partitioning a large dataset into multiple smaller datasets to allow parallel processing. In this previous post, we explained how distribution enables analysis of datasets that are too large to fit in memory on a single [...]
Get down the mountain, quickly!
You are standing on the side of a steep mountain. You need to descend to the base of the mountain as quickly as possible. Remarkably, this scenario illustrates a central concept in machine learning. But let's get back to the mountain. I'd imagine that the first thing you would do, almost intuitively, would be to [...]
Teach your child to count – the machine learning way.
What is machine learning? I could bore you with textbook definitions. Instead, let me use a familiar example. A few days ago, I was teaching a child how to count. This is what transpired: Child: 1, 2, 3, 4, 5, 3, 8... Me: Stop. 1, 2, 3, 4, 5 is correct, but what comes after [...]
Is Artificial Intelligence an existential threat to humanity?
The masterfully scripted Ex-Machina is a slow-burning, cerebral thriller which subtly exposes moral and ethical questions surrounding Artificial Intelligence (AI). Indeed, I am yet to watch a better movie on the subject. Ex-Machina (literally, "from the machine") revolves around three characters. First, we meet Caleb, an exceptional computer programmer. He works at Bluebook, a company [...]