Think twice before using bare-metal clouds

A bare-metal cloud allows you to rent hardware resources from a public cloud service provider, or sometimes a managed service provider. With a bare-metal cloud, you get direct access to the hardware platform without having to go through tenant management systems. Therefore, one of the benefits of bare-metal cloud, as it is sold to the… Continue reading Think twice before using bare-metal clouds

Which Spark machine learning API should you use?

You’re not a data scientist. Supposedly according to the tech and business press, machine learning will stop global warming, except that’s apparently fake news created by China. Maybe machine learning can find fake news (a classification problem)? In fact, maybe it can. But what can machine learning do for you? And how will you find… Continue reading Which Spark machine learning API should you use?

Cloud portability is still science fiction

Enterprises want cloud portability. Why? Well, they want to hedge bets in case a public cloud provider “breaks bad” in terms of consistently poor service, or performance issues, or, more likely, jacking up the subscription fees to obnoxious levels. As many CIOs I have talked to put it: “We need to have choices. Choices mean leverage.”… Continue reading Cloud portability is still science fiction

Apache Spark 2.2 gets streaming, R language boosts

With version 2.2 of Apache Spark, a long-awaited feature for the multipurpose in-memory data processing framework is now available for production use. Structured Streaming, as that feature is called, allows Spark to process streams of data in ways that are native to Spark’s batch-based data-handling metaphors. It’s part of Spark’s long-term push to become, if not all things… Continue reading Apache Spark 2.2 gets streaming, R language boosts

How to get started with Kubernetes

With every innovation comes new complications. Containers made it possible to package and run applications in a convenient, portable form factor, but managing containers at scale is challenging to say the least. Kubernetes, the product of work done internally at Google to solve that problem, provides a single framework for managing how containers are run… Continue reading How to get started with Kubernetes