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Concept guides/Backend internals/Storage data structures

CodingBackend internals

Storage data structures

Medium3 min read

Questions it teaches

Heap file page wasteEasy15 min Transaction crash recoveryEasy16 min Row store vs column storeEasy15 min Image cache evictionEasy15 min Index page fetchesEasy16 min Row storage layoutEasy17 min Buffer pool evictionEasy16 min Ordered index range queryMedium25 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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