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Concurrency - Low Level Design

Course Contents

Introduction to Concurrency — Why It Matters for LLD

Concurrency vs Parallelism

Processes vs Threads — Lifecycle and States

Race Conditions and Critical Sections

Synchronization Primitives — Mutex, Semaphore, Condition Variable

Deadlock, Livelock, and Starvation

Locks — Reentrant, Try-Lock, Compare-and-Swap (CAS)

Thread Safety — Immutability, ThreadLocal, Atomic Operations

Producer-Consumer Pattern

Reader-Writer Pattern

Thread Pool Pattern

Signaling Pattern

Active Object Pattern

Race Conditions and Critical Sections

Understand how race conditions occur when threads interleave on shared data, learn to identify the read-modify-write and check-then-act anti-patterns, and discover why critical sections are the first line of defence in concurrent LLD.

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