chapter.checkpoint
Runtime, Streams, and Concurrency
Pause here and make sure the main ideas feel clear before moving to the next chapter.
What you should understand now
Understand the Node.js mechanisms behind scalable asynchronous services.
Event loop phases and non-blocking I/O
Understand event loop phases and non-blocking i/o through a focused practical example.
Buffers, streams, and backpressure
Understand buffers, streams, and backpressure through a focused practical example.
Worker threads and process scaling
Understand worker threads and process scaling through a focused practical example.
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Before you move on
Use this quick review if anything still feels unclear.
Complete the lessons, pass the exercises, and pass the quiz to unlock the next chapter.