There and back again: a story about the ScalaDays 2016 at Berlin

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…

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Microservices in a historical perspective

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…

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Write a Custom Protocol for Gatling

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…

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How to expose a SOAP service with scala/akka

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

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AWS Lambda inside insight (part 3)

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…

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AWS Lambda inside insight (part 2)

AWS Lambda part 2: API Gateway playing tricks? Last week we looked at how AWS Lambda behaves with one user at a frequent request rate (see first post). We figured that AWS Lambda will create a pool of running instances. When an event triggers a lambda function, AWS Lambda will look in the pool to…

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AWS Lambda inside insight

AWS Lambda inside insight Currently microservices are gaining a lot in popularity. But innovation will continue. So what will be the next big thing after microservices? With microservices you still have the burden to manage the application deployments and infrastructure to run them. At Trivento we’re constantly on the lookout to spot innovative technology that…

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QCon 2016 – London

Last week I went to QCon in London and it was a great conference. Every day had 7 tracks with each 5 talks and an open space session. The overall quality of the talks were great and you could really see that the speakers had deep knowledge of their subject. Even though there were about…

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Microservices – Service Discovery

When you are running microservices you are dealing with multiple services that somehow have to communicate with each other. A microservice can run anywhere in your landscape and doesn’t have a fixed IP address and port number. This seems complex. How do I know where my services are running and how can a service communicate…

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Introduction to Angular Material

Material design is popping up everywhere and it is becoming a standard for websites, apps and other graphical user interfaces. There are a few ways to implement material design into your workflow. Since Trivento loves working with AngularJS, this blog/tutorial specifically takes a look at implementing Angular Material. Angular Material provides a series of modules, directives,…

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