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Concept guides/Backend internals/Changing an API people already use

CodingBackend internals

Changing an API people already use

Hard7 min read

Questions it teaches

Fix the versioned save reader for an RPGEasy12 min Optimistic concurrency controlMedium25 min Versioned document storeMedium35 min Versioned object store with lifecycleMedium35 min Multi-version key-value storeHard35 min Semantic version comparisonHard28 min Versioned key-value storeHard30 min Enum renumbering breaks clientsHard25 min

Related

Backend internals Concurrency Observability Consistency and money Secure coding

Builds on: Concurrency

Concurrency primitives3 min Concurrency bugs in review3 min

Leads to: Observability

Cron failures (silent drops)3 min A/b variant regression4 min

Related: Consistency and money

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

Related: Secure coding

Applied crypto & auth3 min WAL replay (crash recovery)3 min

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