Amazon AWS

Amazon T2 “Burstable” instance behaviour with high-availability traffic – an experiment

Over at Tyk Cloud we’re constantly trying to figure out how we can make our server-load smaller, overall machine performance higher, and optimise the cost of our infrastructure overall, part of that is estimating just what is possible with Amazons available instance types, especially the chaeap ones. The Tyk API┬áManagement stack makes good use of(…)

Continuous Deployment with AWS and Saltstack

One of the key things we learnt while re-developing our load testing suite: Loadzen, was that being able to continuously deploy our code to live would be awesome. It did come with quite a few challenges: Tests would need to be solid How do we reduce downtime but not waste money? How do we manage(…)

Redesigning Loadzen’s Architecture

We’ve been very busy at Jively HQ recently – working up the next release of the Loadzen platform. “Loadzen Reloaded” as we call it internally, is a complete ground-up rewrite of the original Loadzen platform, here the first incarnation of our site was built to ship as fast as possible (it took a year to(…)

Using OpenCV, Python and Face.com for simple face recognition

I’ve been interested in computer vision for quite some time, and the opportunity to tinker with face detection (in an ongoing project to weaponise our beer fridge) was just the the thing to get to grips with the rather awesome bit of technology that is OpenCV.

An intro into the PyOfSauron image detection project in Python, using both OpenCV and the Face.com API to perform face detection and recognition.

Amazon RDS and Django

Amazon has recently released a long-awaited feature addition to it’s Web Services infrastructure: Relational Databases. Having for a long time only had SimpleDB on offer (non-relational and weird to implement), it’s always been something of a struggle to get MySQL running on EC2. Traditionally one would have to set up a block storage device, mount(…)