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 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
Lessons from Big Tech on Building Resilient Payment Systems

Lessons from Big Tech on Building Resilient Payment Systems

Lessons from Shopify and Doordash on building Large Scale Payment Systems. Plus, how Discord develops GenAI applications and more.

How Pinterest Replaced their Analytics Database

How Pinterest Replaced their Analytics Database

Why Pinterest switched from Apache Druid to StarRocks. Plus, how Slack runs cron jobs, DoorDash's standards for engineering managers and more.

How Canva Collects 25 Billion Events Per Day

How Canva Collects 25 Billion Events Per Day

An overview of AWS Kinesis and how Canva uses it to collect and process 25 billion events per day. Plus, the art of good code review, how to find coachable employees and more.

Arpan KG
Arpan KG
How DoorDash Deploys at Scale

How DoorDash Deploys at Scale

We'll talk about deployments and how DoorDash uses Blue-Green and Canary deployments. Plus, what specific metrics they use for monitoring regressions. Also, how to debug and lessons from 8 years of Kubernetes

Arpan KG
Arpan KG
How Lyft Processes Terabytes of Real Time Data

How Lyft Processes Terabytes of Real Time Data

Lyft switched their data store from Apache Druid to ClickHouse. We'll give brief overviews of Druid and ClickHouse and also talk about why they shifted.

How Notion Decreased Latency by 20% with Caching

How Notion Decreased Latency by 20% with Caching

Notion recently added SQLite for client-side caching in the Notion website. We'll talk about how they did this and what issues they had to resolve. Plus, how to influence with data as a software engineer, the history of Rust and more.

Arpan KG
Arpan KG
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