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Topic
Synchronization primitives, shared mutable state, locking, and coordination in .NET.
Practice items tagged with Synchronization.
Uses reduction, thread-local state, atomic scalar updates, or indexed output instead of mutating a shared collection from parallel workers.
Use Channel<T> to coordinate producer/consumer background processing inside a .NET service while respecting backpressure and shutdown.
Choose between ConcurrentDictionary and explicit locks when managing concurrent in-memory data.
Serializes work for the same resource while preserving concurrency across independent keys and managing keyed-lock lifetime safely.
Explain why awaiting while holding synchronization resources can create deadlocks, contention, or stalled workflows.
Diagnoses thread-unsafe scoped dependencies inside parallel execution and redesigns the data boundary without exhausting shared resources.