Quastor

Quastor

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

Featured Posts

How Uber Scaled Cassandra to Tens of Thousands of Nodes

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.

How Grab uses Graph Databases to Reduce Fraud

How Grab uses Graph Databases to Reduce Fraud

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

Why Netflix integrated a Service Mesh in their Backend

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.

Scaling Microservices at DoorDash

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.

How Quora scaled MySQL to 100k+ Queries Per Second

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
How OpenAI trained ChatGPT

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

Archive

The Architecture of Grab's Data Lake

The Architecture of Grab's Data Lake

We'll talk about data storage formats, merge on read, copy on write and more. Plus, a detailed guide to software architecture documentation, how Figma overhauled their performance testing framework and more.

The Architecture of Grab's Auth System

The Architecture of Grab's Auth System

We'll talk about PassKeys, their benefits and how they work. Plus, a dive into the internals of Apache Kafka, a compilation of writing advice from the internet's best writers and more.

How Pinterest Optimized Video Playback

How Pinterest Optimized Video Playback

An introduction to Adaptive Bitrate Streaming and how Pinterest was able to reduce startup latency for videos. Plus, the architecture of open source applications and how Anthropic was able to improve RAG.

How Github Rebuilt Their Push Processing System

How Github Rebuilt Their Push Processing System

We'll talk about how GitHub decoupled their system for processing code pushes. Plus, resources for CTOs and more.

How Uber Built an Exabyte-Scale System for Data Processing

How Uber Built an Exabyte-Scale System for Data Processing

We'll talk about data processing at Uber and how they revamped their ETL platform to make it modular and scalable. Plus, software testing anti-patterns and how to get better at finishing your side projects.

How Pinterest Stores and Transfers Hundreds of Terabytes of Data Daily

How Pinterest Stores and Transfers Hundreds of Terabytes of Data Daily

We'll talk about Change Data Capture and the internal system Pinterest built to handle CDC for all their databases. Plus, a practical guide on how you can improve your coding skills with cognitive psychology, a visual guide to memory allocation and more.

Arpan KG
Arpan KG
How Cloudflare Mitigates Thousands of DDoS Attacks Every Hour

How Cloudflare Mitigates Thousands of DDoS Attacks Every Hour

We'll talk about the different types of DDoS attacks and how Cloudflare prevents them. Plus, resources on public speaking for software engineers, things we learned about LLMs in 2024 and more.

The Architecture of Canva's Data Platform

The Architecture of Canva's Data Platform

We'll talk about Snowflake and how Canva built a monitoring system around it. Plus, how to optimize code, why Unicode is harder than you think, automating your job search and more.

The Architecture of Stripe's Document Database

The Architecture of Stripe's Document Database

Stripe built a document database on top of MongoDB. We'll go over it's architecture and why they built it. Plus, how Nginx scales, how to give constructive feedback and more.

How Airbnb Processes a Million User Events Every Second

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.

How LinkedIn Scaled Their System to 5 Million Queries Per Second

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.

How LinkedIn uses Event Driven Architectures to Scale

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.

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