In a blog post on bad code and technical debt Steve Freeman described how Chris Matts came up with the metaphor of an unhedged call option for bad code. This post is being intensively discussed on Reddit and on Hacker News recently. InfoQ interviewed Steve and Chris about using metaphors for bad code and code smells, trade-offs and costs of low quality code, and responsibilities for code quality.
Netflix's Failure Injection Testing bridges the gap between isolated testing and unmitigated chaos testing by controlling the impact of the test. FIT establishes a context which other components of Netflix's production testing and infrastructure systems interpret and adjust the behavior of the system accordingly.
Google made a number of cloud-related announcements during their Google Cloud Platform Live Event that is taking place in San Francisco these days. The most important is the availability of Google Container Engine (GKE), currently in public alpha. Others are: Managed VMs, more connectivity options, Cloud Debugger, Autoscaler, and price reductions.
Amazon performed a major maintenance update at the end of September in order to patch a security vulnerability in a Xen hypervisor affecting about 10% of their global fleet of cloud servers. This update involved the rebooting of those servers, with consequences for AWS users and the services they provide, including one of their largest clients, Netflix.
Testability must be explicitly designed in the system said Peter Zimmerer from Siemens AG. Test architects should drive testability and collaborate with architects, designers and testers in using good design and engineering practices. At the QA&Test 2014 conference Peter gave a tutorial about design for testability for embedded software systems.
Testdroid's maker Bitbar has recently announced the integration of Testdroid mobile app testing products with Atlassian JIRA defect tracking system. InfoQ has interviewed Testdroid technical product manager Ville-Veikko Helppi to better understand how developers and organizations could benefit from it.
This article presents the release process used by Mozilla for their browser.
There has been significant buzz around microservices lately, enough to generate some hype. After implementing heavy and cumbersome SOA solutions for more than a decade, are microservices the solution the industry has been waiting for? Or, are microservices simpler than monolithic solutions?
PlanOut is Facebook's language for online field experiments supporting "A/B tests," factorial designs, and more. According to Facebook, PlanOut makes possible to separate experimental design from application code and allows experimenters to concisely describe their designs. Facebook claims to be using PlanOut to run over a thousand experiments each day that involve hundreds of millions of people.
The recent security weakness found in both iOS and OS X hints at flaws in coding style guidelines, unit testing, system testing, code review policies, error management strategies, and tools deployment. An overview.
Two recently launched services, Appurify Mobile Platform and Xamarin Test Cloud, promise to help developers and enterprises automate testing and performance optimization of their mobile apps by allowing them to run apps on real iOS and Android devices and supporting automated testing and continuous integration.
Google has open sourced Espresso, an Android automated testing framework that enables one to run tests on x86 machines in the cloud in a multi-threaded environment, solving the concurrency issues associated with UI testing.
Running an DevOps expert panel, James Governor, analyst at RedMonk, asked whether it is necessary to simplify your infrastructure in order to be able to introduce DevOps. The panelists agreed that you need to change your systems and your organization to decrease your time-to-market. Even though existing infrastructure will stay, you’ll need to automate what you can to be able to innovate faster.
Simple founder and former Twitter engineer Alex Payne has released sovereign - a set of open source Ansible playbooks to create a personal cloud. This allows users and IT departments to move away from large cloud companies and onto services that are under their own control.
Thoughtworks recently released a new installment of their technology radar highlighting techniques enabling infrastructure as code, perimeterless enterprises, applying proven practices to areas without, and lightweight analytics.