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A Decade of Dynamo: Powering the next wave of high-performance, internet-scale applications

All Things Distributed

With these requirements in mind, and a willingness to question the status quo, a small group of distributed systems experts came together and designed a horizontally scalable distributed database that would scale out for both reads and writes to meet the long-term needs of our business. This was the genesis of the Amazon Dynamo database.

Internet 128
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DevOps vs DevSecOps: 6 ways that integrating security boosts DevOps

Dynatrace

As you think about how to evolve your processes to include security as an equal, third party in your development-operations partnership, it will be helpful to understand these six key ways that adopting DevSecOps can boost your entire software delivery life cycle. Security is by design, not tacked on. The result is security by design.

DevOps 153
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Interpreting A/B test results: false positives and statistical significance

The Netflix TechBlog

As another way to build intuition, consider the real reason that the internet and machine learning exist: to label if images show cats. Designing experiments so that the rate of false positives is minuscule necessarily increases the false negative rate, and vice versa. To build intuition, let’s run through a thought exercise.

Testing 226
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Trade-offs under pressure: heuristics and observations of teams resolving internet service outages (Part II)

The Morning Paper

Trade-offs under pressure: heuristics and observations of teams resolving internet service outages , Allspaw, Masters thesis, Lund University 2015. The process tracing exercise included: Examning IRC transcripts from multiple channels. This is part 2 of our look at Allspaw’s 2015 master thesis (here’s part 1 ).

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Google planning a new ‘Badge of Shame’ for slow websites

MachMetrics

In a post detailing the thought process behind the planned feature, the Chrome team explains that “In the future, Chrome may identify sites that typically load fast or slow for users with clear badging ”. Unfortunately, some business owners don’t understand that buying a theme and implementing it isn’t the end of the process.

Google 86
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Working from home – tips and tricks for the testing community

Testsigma

From employees perspective, there are infrastructure issues that can impact the productivity for the day, they are: Unstable internet connection Video recording not working Screen sharing lags in voice and screen. The most common and annoying is internet connectivity issues. Tracking the processes to plan better.

Testing 52
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iOS Engine Choice In Depth

Alex Russell

Large projects like browser engines also exercise governance through a hierarchy of "OWNER bits," which explicitly name engineers empowered to permit changes in a section of the codebase. Developers can provide feedback from using features and lobby other browsers to adopt (or re-design) them.