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Concept guides/Concurrency/Deadlock and lock ordering

CodingConcurrency

Deadlock and lock ordering

Hard3 min read

Questions it teaches

Lock ordering deadlock avoidanceMedium30 min Circular wait in nested locksMedium25 min Deadlock on wallet transfersMedium30 min Transfer hangs between accountsHard30 min Transfer hangs waiting for lockHard30 min Graph node lock orderingHard30 min Wallet transfers fail intermittentlyHard40 min Checkout latency spikes to timeoutHard35 min

Related

Concurrency Designing data structures Backend internals Reviewing AI code Correctness review

Builds on: Designing data structures

Queues, deques & ring buffers3 min Database deduplication3 min

Leads to: Backend internals

Encoding and schema evolution4 min MAC addresses4 min

Related: Reviewing AI code

Catching AI mistakes3 min Understanding code & docs with AI3 min

Related: Correctness review

Spotting correctness bugs3 min Structured logging3 min

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