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Category: Electronics Engineering

Engineering a Job-based Forecasting Workflow for Observability Anomaly Detection

At Uber, we combine real-time systems monitoring with intelligent alerting mechanisms to ensure the availability and reliability of our apps. In our push to empower our engineers to author more accurate alerts, Uber’s Observability Applications team sought to introduce alert backtesting—the ability to determine if, and when, a given alert configuration would have gone off in the past, thereby making it easier to predict future alerts. Our team’s goal of building this functionality motivated us to entirely overhaul our anomaly…

Radical closed-wing aircraft design could see greener skies take flight

An artist’s view of the PrandtlPlane shows what future commercial aircrafts could look like. Credit: Vittorio C/ University of Pisa, Italy, licensed under CC BY-SA 3.0 Aviation is one of the most environmentally harmful forms of transportation, accounting for 3% of all EU greenhouse gas emissions. But new aircraft designs inspired by the work of an early 20th-century aviation engineer and natural substances such as honeycomb and grass could help to cut the environmental footprint of flying. With nearly 1…

Monitoring lava lake levels in Congo volcano — ScienceDaily

Nyiragongo in the Democratic Republic of the Congo is among the world’s most active volcanoes, with a persistent lava lake as one of its defining features. In a talk at the 2018 SSA Annual Meeting, Adrien Oth of the European Center for Geodynamics and Seismology discussed how he and his colleagues are using multiple methods to monitor lava lake levels at the volcano. The researchers analyze seismic and infrasound signals generated by the volcano as well as data collected during…

Revisiting Burrow: Burrow 1.1 | LinkedIn Engineering

At its heart, Burrow is still designed to be a system for monitoring consumers that does not rely on thresholds. It works by evaluating how the consumer group is handling each partition that it owns and providing a status indicator for that group, as well as each partition, stating whether it is in a good state, a degraded state, or has stopped entirely. This lets us monitor the status of even the largest consumer groups, handling thousands of topics without overwhelming engineers with alert fatigue. …

Multi-Cloud Continuous Delivery with Spinnaker report now available.

by Emily Burns, Asher Feldman, Rob Fletcher, Tomas Lin, Justin Reynolds, Chris Sanden and Rob Zienert We’re pleased to announce the release of our O’Reilly report, Continuous Delivery with Spinnaker. The report is available to download for free on the Spinnaker website. ( Pdf | Epub | Mobi ) About The Report At Netflix, we’ve built and use Spinnaker as a platform for continuous integration and delivery. It’s used to deploy over 95% of Netflix infrastructure in AWS, comprised of hundreds…

Building Services at Airbnb, Part 2 – Airbnb Engineering & Data Science – Medium

The second in a series on scaling service development, this article looks at some of the key tooling that supports the new Services Oriented Architecture at Airbnb. By Liang Guo and Frank Lin Airbnb is moving its infrastructure towards SOA. A reliable, performant, and developer-friendly service platform is essential in an architectural evolution. In a previous post, we shared a bird’s-eye view of what we have designed and built to scale the development of services and gave a glimpse of how…

Ruby’s New Exception Keyword Arguments – Square Corner Blog – Medium

`exception: false` and `exception: true` In Ruby 2.6, a variety of Kernel methods get a new exception: false or exception: true keyword argument. When Kernel methods fail, some raise an error and some just return nil. This new feature lets you override that default behavior. TL;DR: In Ruby 2.6 these examples will all work: Background What should Ruby do when unexpected things occur? Fail loudly? Carry on silently? It depends. There are reasons you may prefer to handle errors differently. Many…

Wearables and apps may provide valuable data to clinicians, but need further validation — ScienceDaily

According to a position statement from the American Academy of Sleep Medicine (AASM), consumer sleep technology must be cleared by the Food and Drug Administration (FDA) and rigorously tested if it is intended to diagnose or treat sleep disorders. Consumer sleep technologies are non-prescription devices such as wearables and mobile apps that are directly marketed to consumers to monitor sleep, improve sleep quality, or screen for sleep disorders. However, there are minimal data validating the ability of these devices to…

MU Engineering’s Fitterling, Hennings, Naka lauded for alumni achievement

Mizzou Engineering was well represented during April’s MU Donor Recognition Weekend. The College kicked off the weekend brunch commemorating the relaunch of our Shamrock Society and creation of the Dean’s Leadership Circle to honor its most ardent supporters. College of Engineering alumni Jim Fitterling (BS ME ’83) and Elsa Hennings (BS ME ’82) earned Alumni Awards from the Mizzou Alumni Association. The awards are bestowed in recognition of alumni’s professional accomplishments and service to MU. Fitterling currently is the president and chief…

More than 400 future engineering leaders earn diplomas from Mizzou

A total of 405 students earned 420 degrees from Mizzou Engineering on Friday, and those who attended the ceremony received their diplomas from MU Chancellor Alexander Cartwright. Photos by Amy Parris. A new generation of Mizzou Made engineering leaders received their diplomas and one final send-off at the University of Missouri College of Engineering Spring 2018 Commencement Ceremony held on Friday at Mizzou Arena. A total of 405 students earned 420 degrees from Mizzou Engineering on Friday, and those who…