Quastor

Get Summaries of Big Tech Engineering Blog Posts on Frontend, Backend, Machine Learning, Data Engineering and more!

Featured Posts

Aug 19, 2023

How Uber Scaled Cassandra to Tens of Thousands of Nodes

An introduction to Apache Cassandra and issues Uber ran into when scaling. Plus, API versioning practices at LinkedIn, challenging algorithms to try and more.

Aug 25, 2023

How Grab uses Graph Databases to Reduce Fraud

Plus, Tips on Negotiating Compensation for Software Engineers from a Principal Engineer at Amazon

Sep 04, 2023

Why Netflix integrated a Service Mesh in their Backend

We'll talk about what a service mesh is, what purpose it serves and why Netflix added one. Plus, strategies you can use to achieve your goals.

Apr 25, 2023

Scaling Microservices at DoorDash

Common microservice failures at DoorDash and how they mitigate them. Plus, nine ways to shoot yourself in the foot with Postgres.

Aug 10, 2023

How Quora scaled MySQL to 100k+ Queries Per Second

Plus, what makes a great manager of software engineers, how shopify uses pair programming for mentorship, actionable tips on improving speed and more.

Machine LearningMachine Learning

Jun 08, 2023

How OpenAI trained ChatGPT

Plus, how Meta integrated Raft with MySQL, lessons learned at Slack while building on AWS GovCloud and How Nike's bot detection works

How Airbnb Processes a Million User Events Every Second

An introduction to Apache Flink, the Lambda Architecture and the Architecture of Airbnb's platform. Plus, how Duolingo cut their AWS bill by 20%, Google's State of the Art Quantum chip and more.

Nov 27, 2024

How LinkedIn Scaled Their System to 5 Million Queries Per Second

How LinkedIn used BitSets, Bloom Filters, Caching Strategies and more to Scale their Safety system to 5 million queries per second. Plus, questions you'll get asked frequently as an engineering manager and tips on how to scale a large codebase.

Nov 14, 2024

How LinkedIn uses Event Driven Architectures to Scale

An introduction to EDAs and the Actor Model. Plus, how to ship projects at big tech companies, how Coinbase uses ML to predict traffic patterns and more.

Nov 12, 2024

How Reddit built a Metadata Store that Handles 100k Reads per Second

We'll talk about the design of Reddit's Metadata Store and the tech behind it. Plus, non-llm software trends to be excited about, how Python's Asyncio works, how GitLab automates engineering management and more.

Nov 09, 2024

How Robinhood uses Graph Algorithms to prevent Fraud

How Robinhood uses algorithms like Connected Components, PageRank and more. Plus, what makes an outstanding programmer, four important software design principles and more.

Arpan KG

Nov 04, 2024

The Architecture of Dropbox's Load Balancing Service

How Dropbox reduced spend on hardware by improving their load balancing. Plus, how to move off heroku and tips on how much you should charge for consulting.

Oct 28, 2024

How Stripe synchronizes time across their distributed system

How Stripe uses physical and logical clocks for keeping time. Plus, a deep dive on caching in system design, how eBay uses LLMs to improve developer productivity and more.

Arpan KG

Oct 15, 2024

How Cloudflare Optimized their Reverse Proxy with Tries

Cloudflare used a nifty data structure called a Trie to cut latency by 75% for a code path that serves 35 million requests per second. Plus, a dive into database fundamentals, a collection of debugging stories and more.

Oct 10, 2024

How Figma Migrated to Kubernetes

We'll talk about how (and why) Figma switched from AWS ECS to Kubernetes. Plus, how Netflix deals with the Noisy Neighbor problem, how Fireship became YouTube's favorite programmer and more.

Oct 06, 2024

How Discord Reduced Outgoing Traffic by 40%

Discord reduced WebSocket traffic significantly by switching from zlib to ztsd. Plus, how to evaluate dependencies for production code, building an Uber clone from scratch and more.

Sep 26, 2024

Introduction to Chaos Engineering

Plus, lessons from 8 years of Kubernetes, software engineering culture metrics and more.

Sep 23, 2024

How Netflix does Load Shedding

Netflix recently published a blog post about how they use load shedding in their backend. Plus, lessons after one year of Rust in production, the bad state of Java deserialization and more.

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