Uber Engineering
NOVEMBER 1, 2016
Uber Engineering’s Schemaless storage system powers some of the biggest services at Uber, such as Mezzanine. Schemaless is a scalable and highly available datastore on top of MySQL ¹ clusters. Managing these clusters was fairly easy when we had … The post Dockerizing MySQL at Uber Engineering appeared first on Uber Engineering Blog.
Zalando Engineering
DECEMBER 18, 2016
It’s the event that many of our teams anticipate throughout the entire year – our annual Zalando Hack Week. 2016 sees us branching out even further than past events , hosting parallel locations in Berlin , Dortmund , Dublin , and Helsinki. Over 1,600 technologists across three countries are putting their heads together to hack and innovate the fashion ecosystem, draped in this year’s playful theme of Gaming Allstars.
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ProjectPro
NOVEMBER 10, 2016
Having worked your way up in the IT totem pole in the same job role, you have decided this is the best to find new horizons, new environment and a new gig in the big data domain. Starting a new career is exciting but it is not easy as lot of analysis goes into choosing a new career path. Let’s help you out with some detailed analysis on the career path taken by hadoop developers so you can easily decide on the career path you should follow to become a Hadoop developer.
nodeSWAT
MARCH 30, 2016
Most web applications rely on some sort of access control to keep users from accessing information not meant for them. If authentication is a lock on the main door of the hotel, then access control is the individual access card they give to each user for accessing their room. We have spent quite a few blog posts on various theories about security mechanisms for web applications ( Set Up a Secure Node.js Web Application , Unvalidated Redirects , What Do You Know About Clickjacking?
Speaker: Timothy Chan, PhD., Head of Data Science
Are you ready to move beyond the basics and take a deep dive into the cutting-edge techniques that are reshaping the landscape of experimentation? 🌐 From Sequential Testing to Multi-Armed Bandits, Switchback Experiments to Stratified Sampling, Timothy Chan, Data Science Lead, is here to unravel the mysteries of these powerful methodologies that are revolutionizing how we approach testing.
Uber Engineering
JULY 26, 2016
By Evan Klitzke. Introduction. The early architecture of Uber consisted of a monolithic backend application written in Python that used Postgres for data persistence. Since that time, the architecture of Uber has changed significantly, to a model of microservices and … The post Why Uber Engineering Switched from Postgres to MySQL appeared first on Uber Engineering Blog.
Uber Engineering
MAY 17, 2016
Our last article on Uber for Business (U4B) discussed implementing our ride profiles feature. Today, we want to share more insight into the kind of technical challenges we’re solving. Just because our mission is to improve businesses’ experiences doesn’t … The post How Uber for Business Engineering Verifies Your Ride in Real Time appeared first on Uber Engineering Blog.
Data Engineering Digest brings together the best content for data engineering professionals from the widest variety of industry thought leaders.
Uber Engineering
JUNE 23, 2016
In 2014, Uber began expanding ever rapidly. Our platform grew from about 60 cities to 100 in the spring, and then to 200 in the fall. Meanwhile, our fastest growing cities were among our oldest. As the number of additional … The post Uber Engineering’s Micro Deploy: Deploying Daily with Confidence appeared first on Uber Engineering Blog.
Uber Engineering
JANUARY 19, 2016
The details and examples of Schemaless triggers, a key feature of the datastore that’s kept Uber Engineering scaling since October 2014. This is the third installment of a three-part series on Schemaless; the first part is a design overview … The post Using Triggers On Schemaless, Uber Engineering’s Datastore Using MySQL appeared first on Uber Engineering Blog.
Uber Engineering
APRIL 20, 2016
A few months back, we discussed Uber’s decision to abandon its monolithic codebase in favor of a modular, flexible microservice architecture. Since then, we’ve devoted many thousands of engineering hours to expanding this ecosystem of Uber microservices (several hundred … The post Rewriting Uber Engineering: The Opportunities Microservices Provide appeared first on Uber Engineering Blog.
Uber Engineering
JANUARY 15, 2016
How Uber’s infrastructure works with Schemaless, the datastore using MySQL that’s kept Uber Engineering scaling since October 2014. This is part two of a three- part series on Schemaless; part one is on designing Schemaless. In Project Mezzanine: … The post The Architecture of Schemaless, Uber Engineering’s Trip Datastore Using MySQL appeared first on Uber Engineering Blog.
Speaker: Anne Steiner and David Laribee
As a concept, Developer Experience (DX) has gained significant attention in the tech industry. It emphasizes engineers’ efficiency and satisfaction during the product development process. As product managers, we need to understand how a good DX can contribute not only to the well-being of our development teams but also to the broader objectives of product success and customer satisfaction.
Uber Engineering
DECEMBER 20, 2016
Why Uber Started Over. Uber is based on a simple concept: push a button, get a ride. What started as a way to request premium black cars now offers a range of products, coordinating millions of rides per day across … The post Engineering the Architecture Behind Uber’s New Rider App appeared first on Uber Engineering Blog.
Uber Engineering
DECEMBER 6, 2016
Cherami is a distributed, scalable, durable, and highly available message queue system we developed at Uber Engineering to transport asynchronous tasks. We named our task queue after a heroic carrier pigeon with the hope that this system would be just … The post Cherami: Uber Engineering’s Durable and Scalable Task Queue in Go appeared first on Uber Engineering Blog.
Uber Engineering
DECEMBER 8, 2016
As Uber continues to scale, our systems generate continually more events, interservice messages, and logs. Those data needs go through Kafka to get processed. How does our platform audit all these messages in real time? To monitor our Kafka pipeline … The post Introducing Chaperone: How Uber Engineering Audits Apache Kafka End-to-End appeared first on Uber Engineering Blog.
Zalando Engineering
DECEMBER 8, 2016
After attending React Europe 2016 in June, we had the pleasure to be a sponsoring partner for the first ReactNL Conference in Amsterdam this year. It was a great experience to meet developers in the React community from all around the globe, as well as showing them a taste of our Berlin offices by having “Club Mate” available for one and all! Flying the Zalando Tech flag, Kolja Wilcke and Andrey Kuzmin had an interesting talk about one of their Hack Week projects called “Elm Street 404” , an int
Speaker: Aarushi Kansal, AI Leader & Author and Tony Karrer, Founder & CTO at Aggregage
Software leaders who are building applications based on Large Language Models (LLMs) often find it a challenge to achieve reliability. It’s no surprise given the non-deterministic nature of LLMs. To effectively create reliable LLM-based (often with RAG) applications, extensive testing and evaluation processes are crucial. This often ends up involving meticulous adjustments to prompts.
Zalando Engineering
DECEMBER 6, 2016
I recently had the opportunity to be a mentor at the Hack Like A Girl Hackathon. It was organized by Geek Girls Carrots Berlin , with Zalando on board as a sponsor. The hackathon had a health and fitness theme, and I jumped at the chance to volunteer for the event. Before the hacking was to begin, participants and mentors met up at the Native Intruments offices on Friday evening to brainstorm their health and fitness related hacks for the weekend.
Zalando Engineering
NOVEMBER 15, 2016
After seeing the State of JavaScript survey make headway online, we thought it would be interesting to do the same for Zalando to get a better understanding about what technologies and frameworks we’re using here. For the JavaScript survey, participating developers answered questions on topics ranging from frontend frameworks and state management, to build tools and testing libraries.
ProjectPro
OCTOBER 31, 2016
Having complete diverse big data hadoop projects at ProjectPro, most of the students often have these questions in mind – “How to prepare for a Hadoop job interview?” “Where can I find real-time or scenario-based hadoop interview questions and answers for experienced?” While we have answered the first question for our students through a series of blog posts on commonly asked Hadoop Interview Questions and tips for preparing a Hadoop resume.
Zalando Engineering
OCTOBER 13, 2016
With users in 15 European countries, from the southwest of Spain to the northeast of Norway, we have to cater to a variety of shopping behaviours and needs. At Onsite Management, we strive to localise our international websites and apps to build an experience that our users can trust and relate to, culturally. Localisation spans an array of projects and processes, such as understanding the local users performing qualitative and quantitative research, or optimizing elements such as navigation or
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Are you trying to decide which entity resolution capabilities you need? It can be confusing to determine which features are most important for your project. And sometimes key features are overlooked. Get the Entity Resolution Evaluation Checklist to make sure you’ve thought of everything to make your project a success! The list was created by Senzing’s team of leading entity resolution experts, based on their real-world experience.
ProjectPro
OCTOBER 3, 2016
News on Hadoop-September 2016 HPE adapts Vertica analytical database to world with Hadoop, Spark.TechTarget.com,September 1, 2016. To compete in a field of diverse data tools, Vertica 8.0 has expanded its analytical database support for Apache Hadoop and Spark integration and also to enhance Apache Kafka management pipeline. Vertical analytic platform could access hadoop data before but with Vertica 8.0 the analytical engine can now directly work with data stored in hadoop without worrying about
Zalando Engineering
SEPTEMBER 20, 2016
React has become widely popular within Zalando, making our attendance at this year’s ReactEurope Conference in Paris a no-brainer. With around 800 like-minded developers and techies, this was set to be a great place to share some hands-on experiences with React. A lot of this year’s talks were centered around React Native and GraphQL. Let’s take a quick look into them below.
ProjectPro
SEPTEMBER 16, 2016
With increased enterprise adoption of Hadoop, organizations are in need of hadoop administrators to take care of the large hadoop clusters they have. The job role of a Hadoop administrator is strong and the job’s outlook is healthy, with an average of 4300 hadoop admin jobs in US as of 13 th Sept, 2016. A hadoop administrator’s job role is unspectacular but is necessary to keep hadoop clusters running smoothly in production, so a hadoop admin job involves being the nuts and bolts of
Zalando Engineering
AUGUST 15, 2016
Where in the world should you head to if you want to soak up the energy, innovation, and entrepreneurial success of the tech industry? If you’re looking to get amongst it, consider this your personal travel guide to the cities that are making waves in tech right now. Moscow If low living costs are still a priority, then Moscow should definitely be at the top of your tech hub list.
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ProjectPro
AUGUST 9, 2016
After taking comprehensive hands-on hadoop training, the placement season is finally upon you. You applied for a Cognizant Hadoop Job interview and fortunately, were shortlisted. It is just the technical hadoop job interview that separates you from your big data career. At this step, the help that you can get from your hadoop developer resume is over and it’s up to you how you drive your hadoop developer interview and whether you get selected for the hadoop job.
Zalando Engineering
JULY 5, 2016
In September 2015, the Zalando Tech Academy was set up to help our Techies gain further insights into the programming languages, frameworks, and other tools or methods used within Zalando. Our role as the Learning Team within Zalando Technology is to support and promote our experts, to bring their learning ideas to life, and to help our colleagues develop new skills and strengthen existing proficiencies.
Zalando Engineering
JUNE 20, 2016
Zalando’s vision is to connect people and fashion. To do that, we want to get access to potentially all the fashion stock that’s out there in the world. This means connecting to stock from every possible source. Therefore, stock integration for Zalando is divided into two areas: e-commerce stock, where we connect e-commerce warehouses from other brands and e-tailers, and offline stock, where we connect to brick and mortar stores, digitalise their stock, and make it visible and available online.
Zalando Engineering
MAY 12, 2016
One of the favourite parts of my job is that I get to discuss and share insights with relevant professionals of how to best apply user-centered design practice in organisations. When we talk about user-centered design, we often say it is about placing users at the centre of a product. What does that really mean? How do you understand it and apply in your daily product design process?
Speaker: David Bard, Principal at VP Product Coaching
In the fast-paced world of digital innovation, success is often accompanied by a multitude of challenges - like the pitfalls lurking at every turn, threatening to derail the most promising projects. But fret not, this webinar is your key to effective product development! Join us for an enlightening session to empower you to lead your team to greater heights.
Zalando Engineering
MAY 10, 2016
At Zalando, we strive to help our customers find the most relevant fashion they can imagine. Zalando is known for its great fashion assortment and its huge selection of products. In order to ensure that our customers are not overwhelmed by this vast selection of products, the Recommendations Team builds systems that ensure that customers find products in an easy and convenient way.
ProjectPro
MAY 2, 2016
News on Hadoop-April 2016 Cutting says Hadoop is not at its peak but at its starting stages. April 1, 2016. Datanami.com At his keynote address in San Jose, Strata+Hadoop World 2016, Doug Cutting said that Hadoop is not at its peak and not going to phase out. Hadoop is still undergoing digital mutations and the experts are considering it to be in its starting stages.
Zalando Engineering
APRIL 21, 2016
Remember the game that was created with the Elm language during Zalando’s Hack Week #4? We’ve been working on it via open source and it’s had a lot of improvements since then. Our goal remains the same — to put the game on the 404 page of the Zalando website, and at its current state, we’re as close as ever to reaching it. In this post we will go through the game’s progress in detail.
ProjectPro
APRIL 1, 2016
News on Hadoop- March 2016 Hortonworks makes its core more stable for Hadoop users. March 1, 2016. PCWorld.com Hortonworks is going a step further in making Hadoop more reliable when it comes to enterprise adoption. Hortonworks Data Platform 2.4, which recently became available, is equipped to be regularly updated. Hortonworks has decided that they will update the core Hadoop components - HDFS, MapReduce, YARN and Zookeeper annually, but extensions like Spark, Hive, HBase and Ambari will be peri
Speaker: Jon Harmer, Product Manager for Google Cloud
Move from feature factory to customer outcomes and drive impact in your business! This session will provide you with a comprehensive set of tools to help you develop impactful products by shifting from output-based thinking to outcome-based thinking. You will deepen your understanding of your customers and their needs as well as identifying and de-risking the different kinds of hypotheses built into your roadmap.
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