Engineering insights on infrastructure, cloud, and distributed systems
Exploring a subtle bug in Golang's pgx v5 library that led to silent data corruption due to zero values. This post delves into the issue, its implications, and how to avoid similar pitfalls in your Go applications.
Diagnosing performance issues in software can often feel more like detective work than engineering. In this post, we explore how tracing with OpenTelemetry helped us identify and resolve a critical bottleneck in our service, transforming our approach to observability and performance optimization.
Terraform has a lot of power, but often even heavy users of terraform miss some of the simple things that can make managing infrastructure easier than vendor...
It's a question that gets asked with quite a lot of answers, Docker, Ansible, CodeDeploy, Chef, the list goes on. The idea should be simple, taking code from...
I recently talked at the Serverless London meetup https://www.meetup.com/Serverless London/events/236664340/ , I was asked about how we do cross AWS account...
It's pretty common that when you have no idea what you are doing, you want things to "just work". Docker, and by extension, Linux, have a world of documentat...
Docker is pretty cool, lots of tools, big community and it goes quite nicely with Golang Go microservices. My company, FundApps, is a Fintec startup, we writ...
We have a familiar story at FundApps https://www.fundapps.co/ , big monolith, trying to break into microservices, same old same old. We have a dotnet stack,...
CloudFormation, the AWS specific infrastructure as code service, I don't use it anymore....but maybe I should. Maybe you should too.
Consul https://www.consul.io/ is a tool I've been using the last few months to get a handle on our expanding platform. Consul is a tool built by Hashicorp to...
AWS Lambda https://aws.amazon.com/Lambda/details/ has been around for a couple of years, in that time the way in which you create and deploy functions has be...
Amazon recently announced its new load balancer, the Application Load Balancer ALB https://aws.amazon.com/blogs/aws/new aws application load balancer/ . This...
Sixteen days ago, I quit my job.
Lambda http://aws.amazon.com/lambda/ by Amazon http://aws.amazon.com/ was a service launched last year and was in preview until a few weeks ago https://aws.a...
Gatling http://gatling.io/ is an open source, Scala based load testing tool. It offers a simple proxy based web recorder for following user journeys, or alte...
We had a huge bug on the live site, http://www.bbc.co.uk/news http://www.bbc.co.uk/arabic , the navigation for our Asia edition was broken. Most of the links...
I recently setup a Nginx proxy server on a UK based provider, this is to test UK centric features of the BBC News website. We use AWS for most of our tooling...
Sometimes you need to show someone something on a phone, words are just not good enough. With testing moving more to mobile, having the ability to show a col...
I recently got Battlefield 4, an intensive first person shooter with high detail graphics and enough shooting to satisfy any teenage angst. I purchased the g...
Today we are announcing the release of a front end regression testing tool called Wraith . This tool is something we have been using for the last 6 mon...
In this post, i will talk about how to view network traffic and the HAR HTTP Archive file. This is useful for doing several things, my initial intention was...
We thought we'd share some information on our testing process. & 13;