Category Archives: Uncategorized

haproxy load-balancing for PHP applications with sticky sessions

We like applications that are written with a shared-nothing approach: it greatly simplifies running multiple instances on multiple hosts and allows for simple, robust load-balancer configuration. Recently, we had to deploy a PHP application that – in the last minute – turned out to use PHP sessions … Continue reading

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September, 18th–20th: DevOps Sprint

Since we have a strong history in web development, but also were involved in operating web applications we developed, the DevOps movement hit our nerves. Under the brand name “Flying Circus” we are establishing a platform respecting the DevOps principles. … Continue reading

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How we organize large-scale roll-outs

In the coming week we will deploy an extensive OS update to our production environment which (right now) currently consists of 41 physical hosts running 195 virtual machines. Updates like this are prepared very carefully in many small steps using … Continue reading

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News from the toolbox: gocept.selenium and our plans for its future

For a couple of years, we at gocept have been developing a Python library, gocept.selenium, whose goal it is to integrate testing web sites in real browsers with the Python unittest framework. There exist a number of approaches to doing … Continue reading

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Happy new year – cleaning up the server room!

Welcome to 2013! Alex and I are using this time of the year when most of our colleagues are still on holidays to perform maintenance on our office infrastructure. To prepare for all the goodness we have planned for the … Continue reading

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yafowil in a Pyramid project

In a new Pyramid project we used deform to render forms. We did not really like it. (The reasons might be detailed in another post.) To see if other form libraries do better I gave yafowil a try at our gocept Developer Punsch 3: yafowil comes … Continue reading

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