Author Archives: davef

Test Maintainability

At LMAX, where I worked for a while, they have extensive, world-class, automated acceptance testing. LMAX tests every aspect of their system and this is baked in to their development process. No story is deemed complete unless all acceptance criteria … Continue reading

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How many test failures are acceptable?

Continuous Delivery is getting a lot of mileage at the moment. It seems to be an idea whose time has come. There was a survey last year that claimed that 66% of companies had a “Strategy for Continuous Delivery”. Not … Continue reading

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Incremental Design – Part II

In my earlier blog post on incremental design I suggested that we need to allow for failure. So how do we limit the impact of failure, how do we tell when our design choices don’t work and how do we … Continue reading

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Is Continuous Delivery Riskier?

I read an article in CIO magazine today “Three Views on Continuous Delivery“. Of course the idea of such an article is to present differing viewpoints, and I have no need, or even desire, for the world to see everything … Continue reading

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Incremental Design – Part I

Continuous Delivery is all about making small changes. Work flows more easily, planning is simpler, error detection is helped and the time from idea to value is reduced when we make changes in small increments, but how do you solve … Continue reading

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New Job, New Business

I have very recently given up my job at KCG (Formerly Getco) Ltd. KCG have been a very good employer and I thank them for the opportunities that they gave me. The reason that I left though is, I hope, … Continue reading

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Cargo-cult DevOps

My next blog post in the XebiaLabs “CD Master Series” is now available. DevOps is a very successful meme in our industry. Most organisations these days seem to be saying that they aspire to it, though they don’t necessarily know … Continue reading

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The Reactive Manifesto

Over the past couple of months I have been helping out some friends to update the Reactive Manifesto. There are several reasons why I agreed to help. First I was asked to, by my old friend Martin Thompson. The most important reason … Continue reading

Posted in High Performance Computing, LMAX, Microservices, Reactive Systems, Software Architecture, Software Design | Leave a comment

Strategies for effective Acceptance Testing – Part II

The second part of my blog post on effective Acceptance Testing is now available on the XebiaLabs website… In my last blog post I described the characteristics of good Acceptance tests and how I tend to use a Domain Specific Language … Continue reading

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Sorry to any real readers…

A few weeks ago I switched on the feature in WordPress that allows users to sign-up for notifications when I write a new post. If you are a real person who signed up, I am very sorry but I am … Continue reading

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