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Concept guides/Messaging and streams/Notifications and fan-out

System designMessaging and streams

Notifications and fan-out

Hard4 min read

Questions it teaches

In-app notificationsEasy25 min Presence system for team chatMedium35 min Real-time location sharingMedium40 min Live order tracking and ETAMedium40 min Log live tail streamingMedium35 min Multi-tenant event fan-outMedium40 min Live event chat at scaleMedium45 min Notification batching systemMedium40 min

Related

Messaging and streams Data modeling and storage Consistency and money Reliability and failover Pipelines and analytics Real-time systems Scale and caching

Builds on: Data modeling and storage

Designing a parking lot4 min Designing a pastebin3 min

Leads to: Consistency and money

E-commerce inventory (overselling)3 min QR ticketing3 min

Leads to: Reliability and failover

Observability systems3 min Anomaly detection3 min

Leads to: Pipelines and analytics

Analytics architecture3 min Data pipelines & warehousing3 min

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