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Category: Civil Engineering

Mizzou Engineering lighting the way to safer driving

Faculty members Henry Brown, Carlos Sun and Praveen Edara and doctoral students Sandy Zhang and Zhu Qing combined field and simulator studies on the effectiveness of four light-color configurations — amber/white, green only, green/amber and green/white — in catching driver attention and preventing collisions. Photo courtesy of Henry Brown. Sometimes, it’s what you don’t find that turns out to be important. A team of MU Civil and Environmental Engineering researchers discovered as much when they studied response to different types…

Scaling Software Deployment Automation – Wayfair Tech Blog

Continuous Integration and Continuous Deployment (CI/CD) are industry standard, best practices for web-scale software engineering. Wayfair has practiced CI for well over a decade, although the ways in which we have performed it have changed over time. I’m here to share with you the system we have built to coordinate our deploys over the past few years, and how our processes have evolved for deploys at scale. As a consideration for this discussion, it’s worth noting that Wayfair has historically…

a scene-based complementary recommendation system

Eric Kim & Eileen Li | Visual Search On the Visual Search team at Pinterest, we’re constantly working on ways to help people discover new ideas visually, even when they don’t have the words to describe what they’re looking for. In a traditional image search system, the objective is to return results that are visually similar to a query image, however we’re working with a visual discovery engine where we need to identify and return visual components from a broader…

Setting the Pace: A Q&A with Jennifer Anderson, Senior Director of Engineering at Uber

As Senior Director of Engineering for Uber’s Product Platform, Jennifer Anderson leads the teams responsible for building and operating the underlying business platforms that help power Uber’s portfolio of products such as rideshare and Uber Eats food delivery. Jennifer’s responsibilities also include the engineering tools and platforms for data analytics, machine learning, customer care, marketing, and business communications. Making this large portfolio more challenging, Jennifer leads teams based in offices from Amsterdam to Bangalore to San Francisco. Jennifer’s education and…

Soon, air pollution could be measured on every street corner

The prototype consists of a sensor connected to a box which both shows the emissions levels in real time, and saves the results over time. Credit: Mia Halleröd Palmgren/Chalmers University of Technology Air pollution is responsible for 550,000 premature deaths a year in Europe and 7 million worldwide, according to the WHO. Measuring it can be a challenge, however, as the equipment tends to be large and expensive. But soon, this may change, thanks to a small, optical nanosensor developed…

Tupperware: Efficient, reliable cluster management

By Kenny Yu     Chunqiang (CQ) Tang At today’s Systems @Scale conference, we presented Tupperware, our cluster management system, which orchestrates containers on millions of servers to run nearly all of our services. Since we first deployed Tupperware in 2011, our infrastructure has expanded from one data center to a fleet of 15 geo-distributed data center locations. Over the same time period, Tupperware has evolved significantly to keep pace with our growth. We are sharing several areas in which Tupperware…

A New Program with New Partners

Many overlook a critical portion of the language in Cloudflare’s mission: “to help build a better Internet.” From the beginning, we knew a mission this bold, an undertaking of this magnitude, couldn’t be done alone. We could only help. To ultimately build a better Internet, it would take a diverse and engaged ecosystem of technologies, customers, partners, and end-users. Fortunately, we’ve been able to work with amazing partners as we’ve grown, and we are eager to announce new, specific programs…

Painting a Picture of Your Infrastructure in Minutes

As a Security responder, it is important to have access to relevant information quickly in order to get a more complete picture of an ongoing or potential incident. Modern microservice architecture usually means that the number of services, and thus hosts and related assets, are much higher than they used to. This means that getting an overview of them is no longer a trivial task and as resources become more and more ephemeral, the inventory is not only large in…

It’s alive! Researchers create innovative ‘living’ bridge

The University of New Hampshire has outfitted the iconic Memorial Bridge, which links Portsmouth, New Hampshire to Kittery, Maine, with data sensors that have transformed it into a self-diagnosing, self-reporting “smart” bridge that captures a range of information from the health of the span to the environment around it. Credit: Scott Ripley/ UNH Engineers at the University of New Hampshire have designed a unique living laboratory on a heavily traveled iconic bridge which could change the way infrastructure is viewed.…

Predictive CPU isolation of containers at Netflix – Netflix TechBlog – Medium

By Benoit Rostykus, Gabriel Hartmann Noisy Neighbors We’ve all had noisy neighbors at one point in our life. Whether it’s at a cafe or through a wall of an apartment, it is always disruptive. The need for good manners in shared spaces turns out to be important not just for people, but for your Docker containers too. When you’re running in the cloud your containers are in a shared space; in particular they share the CPU’s memory hierarchy of the host…