Low Level Design: Ad Targeting Service
4 min read What Is an Ad Targeting Service? An Ad Targeting Service is responsible for selecting the most relevant advertisements to show […] Read article
System Design
System Design
Low Level Design: Trust and Safety Platform
5 min read What Is a Trust and Safety Platform? A Trust and Safety (T&S) platform is the umbrella system that governs user Read article
System Design
Low Level Design: Message Delivery Receipts Service
5 min read What Is a Message Delivery Receipts Service? A message delivery receipts service tracks the lifecycle of every message from send Read article
System Design
Low Level Design: Real-Time Messaging Service
4 min read What Is a Real-Time Messaging Service? A real-time messaging service is the transport layer that moves data from one endpoint Read article
System Design
Low Level Design: Usage Metering Service
5 min read What Is a Usage Metering Service? A Usage Metering Service measures how much of a resource a customer consumes, aggregates Read article
System Design
Low Level Design: Plan Management Service
4 min read What Is a Plan Management Service? A Plan Management Service owns the catalog of subscription plans and the logic for Read article
System Design
Low Level Design: Semantic Search Service
5 min read What Is a Semantic Search Service? A Semantic Search Service finds documents that are conceptually relevant to a query even Read article
System Design
Low Level Design: Scoring Service
5 min read What Is a Scoring Service? A scoring service is the write-side component responsible for receiving raw score events, applying business Read article
System Design
Low Level Design: Ranking System
4 min read What Is a Ranking System? A ranking system assigns ordinal positions to entities (users, products, documents, players) based on one Read article
System Design
Low Level Design: Leaderboard Service
4 min read What Is a Leaderboard Service? A leaderboard service ranks users or entities by a numeric score and exposes that ranking Read article
System Design
Low Level Design: Config Management Service
4 min read What Is a Config Management Service? A Config Management Service (CMS) centralizes application configuration so that services can retrieve settings Read article
System Design
Low Level Design: Global Database Design
5 min read What Is a Global Database Design? A globally distributed database serves reads and writes from multiple geographic regions while providing Read article
System Design
Low Level Design: Cross-Datacenter Sync Service
4 min read What Is a Cross-Datacenter Sync Service? A cross-datacenter sync service coordinates state between two or more physical data centers that Read article
System Design
Low Level Design: Resumable Upload Protocol
6 min read What Is a Resumable Upload Protocol? A resumable upload protocol allows an interrupted file transfer to continue from the exact Read article
System Design
Low Level Design: Chunked Upload Service
5 min read What Is a Chunked Upload Service? A chunked upload service splits a large file into fixed-size pieces and transfers them Read article