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

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.

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

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.

How Robinhood uses Graph Algorithms to prevent Fraud

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
Arpan KG
The Architecture of Dropbox's Load Balancing Service

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.

How Stripe synchronizes time across their distributed system

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
Arpan KG
How Cloudflare Optimized their Reverse Proxy with Tries

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.

How Figma Migrated to Kubernetes

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.

How Discord Reduced Outgoing Traffic by 40%

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.

Introduction to Chaos Engineering

Introduction to Chaos Engineering

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

How Netflix does Load Shedding

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.

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 improves Reliability and Availability

How GitHub improves Reliability and Availability

We'll talk about open source tools like Scientist and Flipper and go through a real world case study at GitHub. Plus, how to set engineering org values and more.

Arpan KG
Arpan KG
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