[ ](https://getunblocked.com/events/how-to-stop-babysitting-your-agents/?utm_source=github&utm_medium=oss&utm_campaign=systemdesign) --- #### [System Design Case Study](#System-Design-Case-Study-1) | | | | | | | | | | |:-: |:-: |:-: |:-: |:-: |:-: |:-: |:-: |:-: | | [#](#-companies) | [A](#a-companies) | [B](#b-companies) | [C](#c-companies) | [D](#d-companies) | [](#e-companies) | [F](#f-companies) | [G](#g-companies) | [H](#h-companies) | | [I](#i-companies) | [](#j-companies) | [K](#k-companies) | [L](#l-companies) | [M](#m-companies) | [N](#n-companies) | [](#o-companies) | [P](#p-companies) | [Q](#q-companies) | | [R](#r-companies) | [S](#s-companies) | [T](#t-companies) | [U](#u-companies) | [V](#v-companies) | [W](#w-companies) | [](#x-companies) | [Y](#y-companies) | [Z](#z-companies) | #### [System Design Fundamentals](#System-Design-Fundamentals-1) | | | | | | | | | | |:-: |:-: |:-: |:-: |:-: |:-: |:-: |:-: |:-: | | [#](#-technologies) | [A](#a-technologies) | [B](#b-technologies) | [C](#c-technologies) | [D](#d-technologies) | [](#e-technologies) | [F](#f-technologies) | [G](#g-technologies) | [H](#h-technologies) | | [](#i-technologies) | [J](#j-technologies) | [K](#k-technologies) | [L](#l-technologies) | [M](#m-technologies) | [N](#n-technologies) | [](#o-technologies) | [P](#p-technologies) | [Q](#q-technologies) | | [R](#r-technologies) | [S](#s-technologies) | [](#t-technologies) | [](#u-technologies) | [](#v-technologies) | [W](#w-technologies) | [](#x-technologies) | [](#y-technologies) | [](#z-technologies) | #### [System Design Interview](#System-Design-Interview-1) | | | | | | | | | | |:-: |:-: |:-: |:-: |:-: |:-: |:-: |:-: |:-: | | [#](#-interview) | [A](#a-interview) | [](#b-interview) | [C](#c-interview) | [](#d-interview) | [](#e-interview) | [](#f-interview) | [](#g-interview) | [](#h-interview) | | [](#i-interview) | [](#j-interview) | [](#k-interview) | [](#l-interview) | [](#m-interview) | [](#n-interview) | [](#o-interview) | [](#p-interview) | [](#q-interview) | | [R](#r-interview) | [S](#s-interview) | [T](#t-interview) | [](#u-interview) | [](#v-interview) | [W](#w-interview) | [](#x-interview) | [Y](#y-interview) | [](#z-interview) | #### [AI Engineering](#AI-Engineering-1) | | | | | | | | | | |:-: |:-: |:-: |:-: |:-: |:-: |:-: |:-: |:-: | | [#](#-ai) | [A](#a-ai) | [](#b-ai) | [C](#c-ai) | [D](#d-ai) | [E](#e-ai) | [](#f-ai) | [G](#g-ai) | [](#h-ai) | | [I](#i-ai) | [](#j-ai) | [K](#k-ai) | [L](#l-ai) | [M](#m-ai) | [N](#n-ai) | [O](#o-ai) | [P](#p-ai) | [](#q-ai) | | [R](#r-ai) | [](#s-ai) | [](#t-ai) | [](#u-ai) | [V](#v-ai) | [](#w-ai) | [](#x-ai) | [](#y-ai) | [](#z-ai) | #### [Software White Papers](#Software-White-Papers-1) | | | | | | | | | | |:-: |:-: |:-: |:-: |:-: |:-: |:-: |:-: |:-: | | [](#-white-papers) | [](#a-white-papers) | [](#b-white-papers) | [](#c-white-papers) | [D](#d-white-papers) | [](#e-white-papers) | [](#f-white-papers) | [](#g-white-papers) | [](#h-white-papers) | | [](#i-white-papers) | [](#j-white-papers) | [](#k-white-papers) | [](#l-white-papers) | [](#m-white-papers) | [](#n-white-papers) | [](#o-white-papers) | [](#p-white-papers) | [](#q-white-papers) | | [](#r-white-papers) | [S](#s-white-papers) | [](#t-white-papers) | [](#u-white-papers) | [](#v-white-papers) | [](#w-white-papers) | [X](#x-white-papers) | [](#y-white-papers) | [](#z-white-papers) | --- [ ](https://newsletter.systemdesign.one/join) --- # System Design Academy ## System Design Case Study #### \# companies - [Real-Time Gaming Leaderboard](https://systemdesign.one/leaderboard-system-design/) - [Real-Time Live Comments](https://systemdesign.one/live-comment-system-design/) - [Distributed Counter](https://systemdesign.one/distributed-counter-system-design/) - [Real Time Presence Platform](https://systemdesign.one/real-time-presence-platform-system-design/) - [How Virtual Machines Work](https://newsletter.systemdesign.one/p/virtualization-architecture) #### A companies - [How to Scale an App to 10 Million Users on AWS](https://newsletter.systemdesign.one/p/aws-scale) - [This Is How Airbnb Adopted HTTP Streaming to Save 84 Million USD in Costs](https://newsletter.systemdesign.one/p/what-is-critical-rendering-path) - [Amazon Prime Video Microservices Top Failure](https://newsletter.systemdesign.one/p/prime-video-microservices) - [How Amazon S3 Achieves 99.999999999% Durability](https://newsletter.systemdesign.one/p/amazon-s3-durability) - [How Amazon Lambda Works](https://newsletter.systemdesign.one/p/how-does-aws-lambda-work) - [How Amazon S3 Works](https://newsletter.systemdesign.one/p/s3-architecture) - [How Do Apple AirTags Work](https://newsletter.systemdesign.one/p/how-do-airtags-work) - [How Apple Pay Handles 41 Million Transactions a Day Securely](https://newsletter.systemdesign.one/p/how-does-apple-pay-work) - [How Amazon S3 Achieves Strong Consistency](https://newsletter.systemdesign.one/p/s3-strong-consistency) #### B companies - [Bitly URL Shortener Architecture](https://systemdesign.one/url-shortening-system-design/) - [How Does Bluesky Work](https://newsletter.systemdesign.one/p/how-does-bluesky-work) #### C companies - [How Canva Supports Real-Time Collaboration for 135 Million Monthly Users](https://newsletter.systemdesign.one/p/rsocket) - [How Cloudflare Was Able to Support 55 Million Requests per Second With Only 15 Postgres Clusters](https://newsletter.systemdesign.one/p/postgresql-scalability) #### D companies - [How Disney+ Hotstar Delivered 5 Billion Emojis in Real Time](https://newsletter.systemdesign.one/p/hotstar-architecture) - [How Disney+ Hotstar Scaled to 25 Million Concurrent Users](https://newsletter.systemdesign.one/p/hotstar-scaling) - [How Disney+ Scaled to 11 Million Users on Launch Day](https://newsletter.systemdesign.one/p/disney-architecture) - [How Discord Boosts Performance With Code-Splitting](https://newsletter.systemdesign.one/p/what-is-code-splitting-in-react) - [How Dropbox Scaled to 100 Thousand Users in a Year After Launch](https://newsletter.systemdesign.one/p/dropbox-architecture) #### F companies - [How Facebook Scaled Live Video to a Billion Users](https://newsletter.systemdesign.one/p/live-streaming-architecture) - [How Facebook Was Able to Support a Billion Users via Software Load Balancer](https://newsletter.systemdesign.one/p/facebook-load-balancer) - [How Figma Scaled Postgres to 4M Users](https://newsletter.systemdesign.one/p/postgres-scale) #### G companies - [How Google Search Works](https://newsletter.systemdesign.one/p/search-engine-architecture) - [How Giphy Delivers 10 Billion GIFs a Day to 1 Billion Users](https://newsletter.systemdesign.one/p/cdn-explained) - [How to Scale an App to 100 Million Users on GCP](https://newsletter.systemdesign.one/p/google-cloud-scalability) - [How Google Docs Works](http://newsletter.systemdesign.one/p/how-does-google-docs-work) #### H companies - [How Hashnode Generates Feed at Scale](https://newsletter.systemdesign.one/p/feed-architecture) - [How Halo Scaled to 11.6 Million Users Using the Saga Design Pattern](https://newsletter.systemdesign.one/p/saga-design-pattern) #### I companies - [How Instagram Scaled to 2.5 Billion Users](https://newsletter.systemdesign.one/p/instagram-infrastructure) #### K companies - [How Khan Academy Scaled to 30 Million Users](https://newsletter.systemdesign.one/p/khan-academy-architecture) #### L companies - [How LinkedIn Scaled to 930 Million Users](https://newsletter.systemdesign.one/p/scalable-software-architecture) - [How LinkedIn Adopted Protocol Buffers to Reduce Latency by 60%](https://newsletter.systemdesign.one/p/protocol-buffers-vs-json) - [Tech Stack Evolution at Levels fyi](https://newsletter.systemdesign.one/p/levels-fyi-google-sheets) - [How Lyft Support Rides to 21 Million Users](https://newsletter.systemdesign.one/p/lyft-engineering) #### M companies - [How McDonald’s Food Delivery Platform Handles 20,000 Orders per Second](https://newsletter.systemdesign.one/p/mcdonalds-architecture) - [How Meta Achieves 99.99999999% Cache Consistency](https://newsletter.systemdesign.one/p/cache-consistency) #### N companies - [How Does Netflix Work?](https://newsletter.systemdesign.one/p/how-does-netflix-work) - [Microservices Lessons From Netflix](https://newsletter.systemdesign.one/p/netflix-microservices) - [How Netflix Uses Chaos Engineering to Create Resilience Systems](https://newsletter.systemdesign.one/p/chaos-engineering) #### P companies - [How PayPal Was Able to Support a Billion Transactions per Day With Only 8 Virtual Machines](https://newsletter.systemdesign.one/p/actor-model) - [Pastebin](https://systemdesign.one/system-design-pastebin/) - [Designing a Payment Backend with Stripe Integration](https://newsletter.systemdesign.one/p/design-a-payment-system) #### Q companies - [This Is How Quora Shards MySQL to Handle 13+ Terabytes](https://newsletter.systemdesign.one/p/mysql-sharding) #### R companies - [How Razorpay Scaled to Handle Flash Sales at 1500 Requests per Second](https://newsletter.systemdesign.one/p/payment-gateway-architecture) - [How Reddit Works](https://newsletter.systemdesign.one/p/reddit-architecture) #### S companies - [Slack Architecture](https://systemdesign.one/slack-architecture/) - [Virtual Waiting Room Architecture That Handles High-Demand Ticket Sales at SeatGeek](https://newsletter.systemdesign.one/p/virtual-waiting-room) - [How Shopify Handles Flash Sales at 32 Million Requests per Minute](https://newsletter.systemdesign.one/p/shopify-flash-sale) - [This Is How Stripe Does Rate Limiting to Build Scalable APIs](https://newsletter.systemdesign.one/p/rate-limiter) - [How Stripe Prevents Double Payment Using Idempotent API](https://newsletter.systemdesign.one/p/idempotent-api) #### T companies - [Tumblr Shares Database Migration Strategy With 60+ Billion Rows](https://newsletter.systemdesign.one/p/how-to-migrate-a-mysql-database) - [6 Proven Guidelines on Open Sourcing From Tumblr](https://newsletter.systemdesign.one/p/open-source-guidelines) - [How Tinder Scaled to 1.6 Billion Swipes per Day](https://newsletter.systemdesign.one/p/tinder-architecture) #### U companies - [How Uber Computes ETA at Half a Million Requests per Second](https://newsletter.systemdesign.one/p/uber-eta) - [How Uber Finds Nearby Drivers at 1 Million Requests per Second](https://newsletter.systemdesign.one/p/how-does-uber-find-nearby-drivers) - [How Uber Payment System Handles 30 Million Transactions Per Day](https://newsletter.systemdesign.one/p/payment-system-design) #### W companies - [8 Reasons Why WhatsApp Was Able to Support 50 Billion Messages a Day With Only 32 Engineers](https://newsletter.systemdesign.one/p/whatsapp-engineering) - [Wechat Architecture That Powers 1.67 Billion Monthly Users](https://newsletter.systemdesign.one/p/chat-application-architecture) #### Y companies - [11 Reasons Why YouTube Was Able to Support 100 Million Video Views a Day With Only 9 Engineers](https://newsletter.systemdesign.one/p/youtube-scalability) - [How YouTube Was Able to Support 2.49 Billion Users With MySQL](https://newsletter.systemdesign.one/p/vitess-mysql) #### Z companies - [5 Reasons Why Zoom Was Able to Support 300 Million Video Calls a Day](https://newsletter.systemdesign.one/p/zoom-architecture) - [How Zapier Automates Billions of Tasks](https://newsletter.systemdesign.one/p/zapier-architecture) --- ## System Design Fundamentals #### \# technologies - [Back of the Envelope](https://systemdesign.one/back-of-the-envelope/) - [How to Troubleshoot if You Can’t Access a Particular Website?](https://systemdesign.one/how-to-troubleshoot-if-you-cannot-access-a-website/) - [What Happens When You Type a URL Into Your Browser?](https://systemdesign.one/what-happens-when-you-type-url-into-your-browser/) - [System Design Interview Cheat Sheet](https://systemdesign.one/system-design-interview-cheatsheet/) - [Software Engineer Interview Learning Resources](https://systemdesign.one/software-engineer-interview-learning-resources/) - [7 Simple Ways to Fail System Design Interview](https://newsletter.systemdesign.one/p/design-system-newsletter) - [Amazon Frugal Architecture Explained](https://newsletter.systemdesign.one/p/frugal-architecture) - [11 System Design Concepts Explained, Simply](https://newsletter.systemdesign.one/p/11-system-design-concepts-explained) - [114 System Design Concepts - Part 1](https://newsletter.systemdesign.one/p/system-design-concepts) - [114 System Design Concepts - Part 2](https://newsletter.systemdesign.one/p/system-design-core-concepts) - [114 System Design Concepts - Part 3](https://newsletter.systemdesign.one/p/system-design-fundamentals) - [How Timsort Algorithm Works](https://newsletter.systemdesign.one/p/timsort-algorithm) - [Mobile System Design Concepts - Part 1](https://newsletter.systemdesign.one/p/mobile-system-design) - [Mobile System Design Concepts - Part 2](https://newsletter.systemdesign.one/p/mobile-system-design-concepts) - [Mobile System Design Concepts - Part 3](https://newsletter.systemdesign.one/p/system-design-mobile) #### A technologies - [Actor Model](https://newsletter.systemdesign.one/p/actor-model) - [How API Gateway Works](https://newsletter.systemdesign.one/p/how-api-gateway-works) - [API Gateway vs Load Balancer vs Reverse Proxy](https://newsletter.systemdesign.one/p/api-gateway-load-balancer-reverse-proxy) - [Best Practices for API Design](https://newsletter.systemdesign.one/p/best-practices-for-api-design) - [Best Practices for API Security](https://newsletter.systemdesign.one/p/api-security-best-practices) - [API Versioning](https://newsletter.systemdesign.one/p/api-versioning) - [High Performance APIs](https://newsletter.systemdesign.one/p/api-performance) #### B technologies - [Bloom Filter](https://systemdesign.one/bloom-filters-explained/) #### C technologies - [Cell Based Architecture](https://newsletter.systemdesign.one/p/cell-based-architecture) - [Consistency Patterns](https://systemdesign.one/consistency-patterns/) - [Top 5 Caching Patterns](https://newsletter.systemdesign.one/p/caching-patterns) - [How to Scale Code Reviews](https://newsletter.systemdesign.one/p/how-to-do-code-review) - [Code Review Best Practices](https://newsletter.systemdesign.one/p/code-review-best-practices) - [How Discord Boosts Performance With Code-Splitting](https://newsletter.systemdesign.one/p/what-is-code-splitting-in-react) - [Consistent Hashing](https://systemdesign.one/consistent-hashing-explained/) - [Concurrency Is Not Parallelism](https://newsletter.systemdesign.one/p/concurrency-is-not-parallelism) - [15 Pitfalls That Break Cloud Systems](https://newsletter.systemdesign.one/p/cloud-system-design) - [Cybersecurity Terms Every Software Engineer Must Know](https://newsletter.systemdesign.one/p/cybersecurity-fundamentals) - [The Entire Computer Science Stack, Explained In 51 Images](https://newsletter.systemdesign.one/p/computer-science-101) - [How CDN Works](https://newsletter.systemdesign.one/p/how-does-cdn-work) #### D technologies - [How Databases Keep Passwords Securely](https://newsletter.systemdesign.one/p/how-to-store-passwords-in-database) - [How DNS Works](https://newsletter.systemdesign.one/p/what-is-a-dns-server-and-how-does-it-work) - [Deployment Patterns](https://newsletter.systemdesign.one/p/deployment-patterns) - [Distributed Systems Deep Dive](https://newsletter.systemdesign.one/p/distributed-systems) - [How Docker Works](https://newsletter.systemdesign.one/p/how-do-docker-containers-work) #### F technologies - [21 Frontend System Design Concepts for Software Engineers](https://newsletter.systemdesign.one/p/frontend-system-design) #### G technologies - [Gossip Protocol](https://systemdesign.one/gossip-protocol/) - [21 Git Commands](https://newsletter.systemdesign.one/p/commands-in-git) #### H technologies - [Hinted Handoff](https://systemdesign.one/hinted-handoff/) - [How Does HTTPS Work](https://newsletter.systemdesign.one/p/how-does-https-work) - [Must Know HTTP Headers](https://newsletter.systemdesign.one/p/http-headers) - [What Is High Availability](https://newsletter.systemdesign.one/p/what-is-high-availability) #### J technologies - [How JWT Works](https://newsletter.systemdesign.one/p/how-jwt-works) #### K technologies - [How Kafka Works](https://newsletter.systemdesign.one/p/how-kafka-works) - [How Kubernetes Works](https://newsletter.systemdesign.one/p/kubernetes-architecture) #### L technologies - [How Load Balancing Algorithms Work](https://newsletter.systemdesign.one/p/load-balancing-algorithms) #### M technologies - [Micro Frontends](https://newsletter.systemdesign.one/p/micro-frontends) - [Microservices Lessons From Netflix](https://newsletter.systemdesign.one/p/netflix-microservices) - [How Shopify Handled 30TB per Minute With a Modular Monolith Architecture](https://newsletter.systemdesign.one/p/modular-monolith) - [1 Simple Technique to Scale Microservices Architecture](https://newsletter.systemdesign.one/p/how-to-scale-microservices) - [How Message Queues Work](https://newsletter.systemdesign.one/p/what-is-a-message-queue) - [22 Microservices Design Patterns](https://newsletter.systemdesign.one/p/microservices-design-patterns) #### N technologies - [How Nginx Was Able to Support 1 Million Concurrent Connections on a Single Server](https://newsletter.systemdesign.one/p/how-does-nginx-work) #### P technologies - [Forward proxy vs Reverse proxy](https://newsletter.systemdesign.one/p/forward-proxy-vs-reverse-proxy) - [10 System Design Patterns](https://newsletter.systemdesign.one/p/system-design-patterns) #### Q technologies - [Quotient Filter](https://systemdesign.one/quotient-filter-explained/) #### R technologies - [Redis Use Cases](https://newsletter.systemdesign.one/p/redis-use-cases) - [Rate Limiting Strategies Explained](https://newsletter.systemdesign.one/p/rate-limiting) - [How Remote Procedure Call Works](https://newsletter.systemdesign.one/p/how-rpc-works) #### S technologies - [Service Discovery](https://systemdesign.one/what-is-service-discovery/) - [How Sidecar Pattern Works](https://newsletter.systemdesign.one/p/sidecar-pattern) - [Stacked Diffs, Simply Explained](https://newsletter.systemdesign.one/p/stacked-diffs) - [How Stock Exchange Works - Part 1](https://newsletter.systemdesign.one/p/stock-exchange-system-design) - [How Stock Exchange Handles Concurrency at Scale - Part 2](https://newsletter.systemdesign.one/p/disruptor-pattern) - [Design Stock Exchange: A Deep Dive - Part 3](https://newsletter.systemdesign.one/p/system-design-stock-exchange) #### W technologies - [How Do Websockets Work](https://newsletter.systemdesign.one/p/how-do-websockets-work) - [How Do Webhooks Work](https://newsletter.systemdesign.one/p/how-do-webhooks-work) --- ## System Design Interview #### \# interviews - [System Design Interview Framework](https://newsletter.systemdesign.one/p/how-to-prepare-for-system-design-interview) - [Behavioral Interview Playbook](https://newsletter.systemdesign.one/p/common-behavioral-interview-questions) - [Mobile System Design Interview Framework](https://newsletter.systemdesign.one/p/mobile-system-design-interview) #### A interview - [System Design Interview: Design Airbnb](https://newsletter.systemdesign.one/p/airbnb-system-design) #### C interview - [System Design Interview: Design ChatGPT](https://newsletter.systemdesign.one/p/chatgpt-system-design) #### R interview - [Software Engineer Resume](https://newsletter.systemdesign.one/p/software-engineer-resume) #### S interview - [System Design Interview: Design Spotify](https://newsletter.systemdesign.one/p/spotify-system-design) - [System Design Interview: Design Web Crawler and Search Engine](https://newsletter.systemdesign.one/p/web-crawler-system-design) - [System Design Interview: Design Amazon S3](https://newsletter.systemdesign.one/p/aws-s3-system-design) #### T interview - [Design Twitter/X Timeline - A Frontend Deep Dive](https://newsletter.systemdesign.one/p/system-design-interview-twitter) #### W interview - [Design WhatsApp](https://newsletter.systemdesign.one/p/whatsapp-system-design), [Part 2](https://newsletter.systemdesign.one/p/design-a-chat-system) #### Y interview - [Design YouTube](https://newsletter.systemdesign.one/p/youtube-system-design) --- ## AI Engineering #### A ai - [How AI Agents Work](https://newsletter.systemdesign.one/p/ai-agents-explained) - [How to design your own AI agent](https://newsletter.systemdesign.one/p/how-do-ai-agents-work) - [11 AI Concepts Explained, Simply](https://newsletter.systemdesign.one/p/ai-concepts) - [Agentic AI Use Cases in Software Development Workflow](https://newsletter.systemdesign.one/p/agentic-ai-use-cases) - [30 Agentic Engineering Concepts, Explained Simply](https://newsletter.systemdesign.one/p/agentic-engineering) - [How Agent to Agent Protocol Works](https://newsletter.systemdesign.one/p/agent-to-agent-protocol) #### C ai - [AI Coding Workflow](https://newsletter.systemdesign.one/p/ai-coding-workflow) - [What is Context Engineering?](https://newsletter.systemdesign.one/p/what-is-context-engineering) - [Context Engineering vs Prompt Engineering](https://newsletter.systemdesign.one/p/context-engineering-vs-prompt-engineering) - [How ChatGPT Apps Work](https://newsletter.systemdesign.one/p/apps-in-chatgpt) - [Design a personal AI chat assistant](https://newsletter.systemdesign.one/p/ai-chat-assistant) - [Claude Folder - A Deep Dive](https://newsletter.systemdesign.one/p/claude-folder) #### D ai - [Agentic Design Patterns](https://newsletter.systemdesign.one/p/agentic-design-patterns) - [How to Build a Domain Expert AI](https://newsletter.systemdesign.one/p/fine-tuning-ai-models) #### E ai - [29 LLM Evaluation Concepts](https://newsletter.systemdesign.one/p/llm-evals) #### G ai - [Everything You Need to Know to Design GenAI Systems From Scratch](https://newsletter.systemdesign.one/p/generative-ai-system-design) - [AI Agent - Graph Shaped Memory](https://newsletter.systemdesign.one/p/graph-based-agent-memory) #### I ai - [What is AI Infrastructure](https://newsletter.systemdesign.one/p/what-is-ai-infrastructure) - [How to Build AI Agents That Don’t Start Over When They Fail](https://newsletter.systemdesign.one/p/durable-ai-agents) #### K ai - [Design Knowledge Q&A System](https://newsletter.systemdesign.one/p/ai-based-knowledge-management-system) #### L ai - [LLM Concepts, Simply Explained](https://newsletter.systemdesign.one/p/llm-concepts) #### M ai - [MCP - A Deep Dive](https://newsletter.systemdesign.one/p/how-mcp-works) - [Multi-Agent Architectures, Clearly Explained](https://newsletter.systemdesign.one/p/multi-agent-system) - [How ML Systems Actually Work: From Data to Deployment](https://newsletter.systemdesign.one/p/machine-learning-system-design-interview) - [AI Agents: State, Memory, Consistency](https://newsletter.systemdesign.one/p/ai-agent-memory) #### N ai - [How to use NotebookLM](https://newsletter.systemdesign.one/p/how-to-use-notebooklm) #### O ai - [How OpenClaw Works](https://newsletter.systemdesign.one/p/openclaw-architecture) #### P ai - [Prompt Engineering - A Deep Dive](https://newsletter.systemdesign.one/p/prompt-engineering-guide) #### R ai - [What Is Reinforcement Learning](https://newsletter.systemdesign.one/p/what-is-reinforcement-learning) - [How RAG Works](https://newsletter.systemdesign.one/p/how-rag-works) - [How AI Research Agent Works](https://newsletter.systemdesign.one/p/how-to-build-an-ai-research-agent-with-mcp) #### V ai - [Vector Database - A Deep Dive](https://newsletter.systemdesign.one/p/what-is-a-vector-database) - [Vertical Small LLM](https://newsletter.systemdesign.one/p/fine-tuning-small-language-models) --- ## Software White Papers #### D white papers - [Amazon Dynamo](https://newsletter.systemdesign.one/p/amazon-dynamo-architecture) #### S white papers - [Google Spanner](https://newsletter.systemdesign.one/p/cloud-spanner-database) #### X white papers - [Meta Serverless Architecture: XFaaS](https://newsletter.systemdesign.one/p/serverless-architecture) --- [ ](https://newsletter.systemdesign.one/join) --- ## License Licensed under CC BY-NC-ND 4.0