Archive of "Improve"

Kata bowling at Trivento

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…

Read More...

AWS Lambda inside insight (part 3)

AWS Lambda part 3: Call Lambda via SDK Lambda Invocation without API Gateway During our previous blog post (https://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…

Read More...

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…

Read More...

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…

Read More...

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…

Read More...

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…

Read More...

Akka Process Framework

Akka Process Framework Akka is a great framework when you want to write reactive applications. While writing applications with Akka I noticed that it was somewhat difficult to write processes flows. In this blog post I will show why it is not trivial to write a process with Akka and how the ProcessFramework (https://github.com/jgordijn/process) solves…

Read More...

Akka – How to use the Ask pattern

Akka – Ask pattern In Akka you would often like to use some form of request-response. In this blog I will show some how this can be done and what you should think about. Plain tell – tell The easiest way to implement request response is just using tell In the above code the TimeTeller…

Read More...

Creating a SettingsActor for configuration properties using Akka Extensions

Creating a SettingsActor  for configuration properties using Akka Extensions Recently, I followed a Typesafe Akka training and one of the little gems that I took home from the training was how to create a SettingsActor using the Akka Extensions mechanism. Using a SettingsActor gives one easy access to configuration properties but it also gives you a…

Read More...

Verbeter uw Conversie met A/B testing & Multivariate testing.

Alweer een aantal jaar geleden was ik op vakantie in het mooie Limburg. Als bierliefhebber ging ik op bezoek bij de open dag van een bierbrouwerij in Arcen. Na een mooie rondleiding werden we uitgenodigd om deel te nemen aan een experiment. We kregen twee nieuwe speciaalbieren aangeboden: Hertog Jan X en Hertog Jan Y….

Read More...