Keeping The Cloudflare API 'All Green' Using Python-Based Testing
- Elie Mitrani tl;dr: This article discusses Scout, an automated system running Python tests verifying the end to end behavior of Cloudflare’s APIs. Scout evaluates APIs in production-like environments, green lights a production deployment and monitors the behavior of APIs in production. This article dives deep into how it operates.featured in #399
How Discord Stores Trillions Of Messages
- Bo Ingram tl;dr: “Our Cassandra cluster exhibited serious performance issues that required increasing amounts of effort to just maintain, not improve.” Bo discusses the troubles with Cassandra and the migration to ScyllaDB, a Cassandra-compatible database written in C++.featured in #396
Scaling Media Machine Learning At Netflix
tl;dr: Netlfix’s goal in building ML infrastructure is to reduce the time from ideation to productization for the company. The team built infrastructure to (1) Access and process media data (e.g. video, image, audio, and text) (2) Training large-scale models efficiently. (3) Productize models in a self-serve fashion. (4) Store and serve model outputs for consumption.featured in #396
Which Web Frontend Architecture Fits Best?
- Patrick Roos tl;dr: Technical article where Patrick creates a guide on how to find the right web frontend architecture that fits your specific quality goals, and discusses architecture styles with their different rendering techniques.featured in #395
How DoorDash Designed A Successful Write-Heavy Scalable And Reliable Inventory Platform
- Chuanpin Zhu Debalin Das tl;dr: “As DoorDash made the move from made-to-order restaurant delivery into the Convenience and Grocery (CnG) business, we had to find a way to manage an online inventory per merchant per store that went from tens of items to tens of thousands of items. Having multiple CnG merchants on the platform means constantly refreshing their offerings, a huge inventory management problem that would need to be operated at scale. To solve this scaling problem our team built a write-heavy inventory platform that would be able to keep up with all the changes on the platform… This article outlines the challenges faced while building the inventory platform and how we solved them after multiple iterations of experimentation and analysis.”featured in #392
Image Stacks And iPhone Racks - Building An Internet Scale Meme Search Engine
- Matthew Bryant tl;dr: "There’s an ironic duality to most memes: the more niche they are, the more funny they tend to be… This presented an extremely common problem: I could never find the niche memes I wanted to send folks when I needed them most. Mid-conversation, spur-of-the-moment memes were always impossible to find. Scrolling through hundreds of saved images in my phone is not efficient searching as it turns out, so I decided to try to better solve the problem.”featured in #391
Content Delivery Network (CDN): Explained In Simple Words
- Animesh Gaitonde tl;dr: “In this article, we will understand what a CDN is, why it is needed and how it works. Also, we will see how websites can accelerate their content delivery by harnessing a CDN.”featured in #390
The Evolution Of Facebook’s iOS App Architecture
tl;dr: After years of iteration, the Facebook codebase does not resemble a typical iOS codebase… The app’s codebase reflects 10 years of evolution, spurred by technical decisions necessary to support the growing number of engineers working on the app, its stability, and, above all, the user experience.featured in #389
How DoorDash Secures Data Transfer Between Cloud And On-Premise Data Centers
- Roger Zeng tl;dr: "In this post, we will discuss how we established a secure, stable, and resilient private network connection between DoorDash microservices and our vendor’s on-premise data centers by leveraging the network facilities from our cloud provider, AWS."featured in #384
How We Improved DNS Record Build Speed By More Than 4,000x
- Alex Fattouche tl;dr: "Our network now spans over 270 cities in over 100 countries, interconnecting with more than 10,000 networks globally. According to w3 stats, “Cloudflare is used as a DNS server provider by 15.3% of all the websites.” This means we have an enormous responsibility to serve DNS in the fastest and most reliable way possible."featured in #383