As a Tech company it is important to keep updating our knowledge. Therefore we organize a Coding Guild every month. In this Coding Guild we share knowledge and experiment on how we should write Software. Monday June 26 we took up a programming challenge or kata. The challenge was to implement the bowling score (highly…

Trait what? Trait linearization is the process in Scala that kicks in when you mixin traits in your class. The subject might look intimidating at first, but the process is actually quite simple. I expect that you already know what traits are and what you can do with them. This blog will focus on the…

Trivento Summercamp 2016 was all about Fast Data. Stavros Kontopoulos, R&D Polyglot Software Engineer at Lightbend, reviewed the design problem for big data applications that lambda architecture tries to solve with a happy few masterclass participants in the morning. He also answered some questions  for those who are interested but couldn’t attend the masterclass. 1. What is the difference between…

Challenges and opportunities around elastic data pipelines Jörg Schade (Mesosphere, Inc.) kicked Trivento Summercamp off with an inspirational and interesting keynote about the challenges and opportunities around elastic data pipelines. With the uptake of mobile apps and IoT offerings the ability of not only processing data as it arrives but also making business decisions based…

“Most so-called “Big Data” problems today are actually better described in the context of velocity instead of size,” says Jonas Bonér. “You want ‘Fast Data’. Speed is the problem to solve, not size.” How to get started? By visiting Trivento Summercamp about Fast Data, the 9th of September. Developers of Lightbend, Mesosphere and ING Nederland…

ScalaDays 2016 Berlin This post is all about my trip to the ScalaDays 2016 at Berlin. Day 1: To Berlin After my wife dropped me of at the train station in Apeldoorn I waited for the international train to Berlin. Some of my colleagues boarded the train earlier. The train arrived, I joined my colleagues and…

A hype like microservices seems to come out of the blue. In this blog I’ll argues that this is not the case: a number of paradigm shifts form the basis for the evolution from traditional service orientation into microservices. In a series of blogs I’ll place microservices in a historical perspective and explain why the…

Write a Custom Protocol for Gatling Gatling is a great open source load testing framework. Out of the box it has great support for HTTP. There is also support for JMS, JDBC and Redis, but I’ve never tried these. A lot of services which are written use HTTP as their external interface. Therefore HTTP support…

After some trial and error i was able to expose a SOAP service with typesafe (scala). http://localhost:8080/wstest?wsdl

AWS Lambda part 3: Call Lambda via SDK Lambda Invocation without API Gateway During our previous blog post (http://www.trivento.io/aws-lambda-inside-insight-part-2/) in this series we saw strange response spikes during the invocation of our Lambda function. Our conclusion was that API Gateway caused those spikes. This week we’re invoking our Lambda function without AWS API Gateway to…