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Author: engineering

To prevent collapse of tropical forests, protect their shape — ScienceDaily

Tropical forests have been called the lungs of the planet. They soak up vast quantities of carbon dioxide, hold the world’s greatest diversity of plants and animals, and employ millions of people. And these hot ecosystems — often a patchwork of trees and grasslands — are being deeply altered by logging and other land use change. Now, a team of scientists have made a fundamental discovery about how fires on the edges of these forests control their shape and stability.…

Improving HBase backup efficiency at Pinterest – Pinterest Engineering – Medium

Lianghong Xu | Software engineer, Storage and caching team Pinterest has one of the largest HBase production deployments in the industry. HBase is one of the foundational building blocks of our infrastructure and powers many of our critical services including our graph database (Zen), our general-purpose key-value store (UMS), our time series database and several others. Despite its high availability, we periodically backup our production HBase clusters onto S3 for disaster recovery purposes. In this post we’ll cover how we…

Cloudflare Data Center #149 in Bogotá, Colombia

At 2625 meters (8612 feet) above sea level, Bogotá (Colombia) is one of the four highest capital cities in the world. Now, it is also home to Cloudflare’s 149th data center. This is the 29th city to be added just in March, and joins our existing Colombia datacenter in Medellín, launched four years ago. CC BY-SA 2.0 image by nigel_sb Bogotá is the third largest city in South America after São Paulo (Brazil) and Lima (Peru). Bogotanos affectionately known as…

The invisible power of ‘flutter’—from plane crashes to snoring to free energy

Flapping flags flutter. Credit: withGod/shutterstock.com With the car windows down on the first warm day of spring, the urge is unshakable. You extend your arm into the wind, tracing the city skyline in a natural motion somewhere between swimming and waving. As you move your hand, you alter the flow of the air. The redirected air in turn exerts a force on your hand. Interactions like this – between a fluid flow, like water or air, and a flexible structure…

Smart Homes are a Boon to People who are not Habitual of using Smart Devices

Buying a home is a once in a lifetime affair. We think about various parameters such as location, rate, amenities, unique features, etc., which can be beneficial for us and our families in the coming years. In this context, a new concept that is getting lots of attention these days is automated homes or smart homes. With home automation, you get to control all the aspects of the house seamlessly. Every electrical appliance in the “smart home” can be integrated…

Detecting volcanic eruptions — ScienceDaily

To borrow from a philosophical thought experiment: If a volcano erupts in a remote part of the world and no one hears it, does it still make a sound? Indeed, it does. And not only does the sound occur, but it also can tell scientists about the timing and duration of the eruption itself. As part of the United Nations’ Comprehensive Nuclear-Test-Ban Treaty, an International Monitoring System was built to detect any nuclear explosion on Earth — underground, underwater or…

Model to show how bacteria grow in plumbing systems — ScienceDaily

Bacteria in tap water can multiply when a faucet isn’t used for a few days, such as when a house is vacant over a week’s vacation, a new study from University of Illinois engineers found. The study suggests a new method to show how microbial communities, including those responsible for illnesses like Legionnaires’ disease, may assemble inside the plumbing systems of homes and public buildings. The findings are published in Nature’s ISME Journal: Multidisciplinary Journal of Microbial Ecology. Fresh tap…

Three more US data centers! Jacksonville, Memphis and Tallahassee

Good things come in threes! Following the launch of three data centers each in the Baltics (Riga, Tallinn, Vilnius) and in the Canadian Prairies (Calgary, Saskatoon, Winnipeg), we’re thrilled to announce three new data centers in the Southern United States! Located in Jacksonville (Florida), Memphis (Tennessee), and Tallahassee (Florida), they represent the 146th, 147th and 148th cities across our growing global network, and our 40th, 41st and 42nd cities just in North America. They join existing Cloudflare facilities in the…

Cloudflare Arrives in the Canadian Prairies! Welcome Calgary, Saskatoon and Winnipeg

We just turned up Calgary, Saskatoon and Winnipeg – Cloudflare’s 143rd, 144th, and 145th data centers. This brings our Canadian presence to six cities, joining Toronto, Montreal and Vancouver. I grew up just outside of Saskatoon, so I couldn’t be happier that Cloudflare’s network has expanded to the Canadian Prairies. My parents still live there and I just booked flights to go and visit them this summer. When I tell people that I grew up in Saskatchewan, most people don’t…

A Look Behind the AI that Powers LinkedIn’s Feed: Sifting through Billions of Conversations to Create Personalized News Feeds for Hundreds of Millions of Members

Co-authors: Tim Jurka and Pete Davies Overview At LinkedIn, our mission is to connect the world’s professionals to make them more productive and successful. The LinkedIn Feed stands at the center of this global professional community: a place for our members to discover and join the conversations that are happening among their connections, taking place within their groups, and ignited by the Influencers and companies they’re following. Our members post ideas, career news, questions, jobs, and suggestions in an array…