How Apache Spark, Scala, and Functional Programming Made Hard Problems Easy at Barclays | Cloudera Engineering Blog

At Barclays, our team recently built an application called Insights Engine to execute an arbitrary number N of near-arbitrary SQL-like queries and execute them in a way that can scale with increasing N. The queries were non-trivial, each constituting 200-300 lines of SQL, and they were running over a large dataset for hours as Apache Hive …

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My first Vert.x 3 Application

Let’s say, you heard someone saying that Vert.x is awesome. Ok great, but you may want to try it by yourself. Well, the next natural question is “where do I start ?”. This post is a good starting point. It shows how is built a very simple vert.x application (nothing fancy), how it is tested …

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