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Category: Civil Engineering

Extending Vector with eBPF to inspect host and container performance

by Jason Koch, with Martin Spier, Brendan Gregg, Ed Hunter Improving the tools available to our engineers to help them diagnose, triage, and work through software performance challenges in the cloud is a key goal for the cloud performance engineering team at Netflix. Today we are excited to announce latency heatmaps and improved container support for our on-host monitoring solution — Vector — to the broader community. Vector is open source and in use by multiple companies. These updates also bring other user experience…

In new book, researchers address challenges of adopting additive manufacturing

Credit: CC0 Public Domain Additive manufacturing holds promise as a speedier, less costly and more effective method to fabricate parts for a wide array of industries, from aerospace and automotive to healthcare and construction. But while the technological advances of this 3-D printing technique attract attention, executives in industry remain uncertain – even skeptical – about adopting the new technology in favor of traditional, time-tested approaches. A new book written by a Missouri S&T researcher, her former doctoral student and…

TCP splicing of the future

Recently we stumbled upon the holy grail for reverse proxies – a TCP socket splicing API. This caught our attention because, as you may know, we run a global network of reverse proxy services. Proper TCP socket splicing reduces the load on userspace processes and enables more efficient data forwarding. We realized that Linux Kernel’s SOCKMAP infrastructure can be reused for this purpose. SOCKMAP is a very promising API and is likely to cause a tectonic shift in the architecture…

Engineering Uber Beacon: Matching Riders and Drivers in 24-bit RGB Colors

This article is the seventh in a series covering how Uber’s mobile engineering team developed the newest version of our driver app, codenamed Carbon, a core component of our ridesharing business. Among other new features, the app lets our population of over three million driver-partners find fares, get directions, and track their earnings. We began designing the new app in conjunction with feedback from our driver-partners in 2017, and began rolling it out for production in September 2018. Pick-ups are…

Pinnacle Engines develops efficient, low-emission gasoline engine using supercomputing

Adjacent computer-assisted design models of the Pinnacle Engines opposed-piston gasoline engine. To optimize the design, Pinnacle Engines researchers simulated the engine’s complex flow of air and fuel during combustion on the Titan supercomputer and Eos cluster at Oak Ridge National Laboratory. Credit: Clayton Naber, Pinnacle Engines A more efficient car engine? That’s the goal. An opposed-piston engine is more efficient than a traditional internal combustion engine. Pinnacle Engines is developing a multi-cylinder gasoline engine for automotive use. The team enhanced…

Findings point to potential treatment strategies — ScienceDaily

National Eye Institute scientists led a collaborative study and zeroed in on genes associated with age-related macular degeneration (AMD), a leading cause of vision loss and blindness among people age 65 and older. These findings provide a more expanded and in-depth picture of the genetic contributions to AMD, and they present new pathways for treatment development. The study was published Feb. 11 in Nature Genetics. “If we were conducting a criminal investigation, prior research would have localized different crime syndicates…

Introducing Kafka Cruise Control Frontend

Cruise Control UI preferences  Other featuresIn addition to those described above, there are other features in the UI that we recommend exploring to make the best utilization of CCFE. One important thing to remember is that most of the actions you can implement from the UI are run in dry-run mode by default for safety reasons. This behavior can be easily switched in the appropriate page if needed. CCFE deployment methods At the core, CCFE is a web application that’s…

Announcing SQLDelight 1.0 – Square Corner Blog – Medium

SQLDelight started as a project 4 years ago on the ContentValues and SQLiteOpenHelper APIs from Android with the goal of making writing SQL easy and safe. The library was an early adopter of Kotlin internally, but has been generating Java since its inception. We love Kotlin and weren’t satisfied with a Java API that we knew could be done better in Kotlin, so a year ago we embarked on a complete rewrite focusing entirely on Kotlin. At the same time…

Engineering to Improve Marketing Effectiveness (Part 3) — Scaling Paid Media campaigns

This is the third blog of the series on Marketing Technology at Netflix. This blog focuses on the marketing tech systems that are responsible for campaign setup and delivery of our paid media campaigns. The first blog focused on solving for creative development and localization at scale. The second blog focused on scaling advertising at Netflix through easier ad assembly and trafficking. Netflix’s Marketing team is interested in raising awareness about our content, our brand and get new consumers excited…

Future factories run by digital twins

Credit: Advanced Remanufacturing and Technology Centre A*STAR has built a testbed for digital twins, the virtual counterparts of real manufacturing equipment. These factory innovations could help companies save huge amounts of time and money by predicting and adjusting for their partner machine’s condition on the go. Imagine that a manufacturing giant has a machine on one of its factory floors in which a spindle is about to snap. In a conventional factory, the whirring machine will give no warning of…