Concurrency

Doing more than one thing at once, correctly.

3 weeks · wk 19–21Applied pace6 topics18 Interview Questions

Why this pace:Node's event loop and async/await are second nature to you — extend that into threads, locks, and race conditions outside JS's single-threaded model.

SEC FOCUS

Race conditions are a security bug class too — watch for time-of-check to time-of-use (TOCTOU) gaps.

Topics & Action Items (6)

Threads vs processes

1-2 hrs

Race conditions and locks

2 hrs

Async/await and event loops

1-2 hrs

Deadlocks and starvation

1 hr

Producer-consumer and message queues

1-2 hrs

Your language's concurrency model

1-2 hrs

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