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Node.js that holds up under load

Who it is for

Already shipping Node, now being asked why it is slow

What you can do after

Explain what the event loop is doing, find the thing that blocks it, and fix it with evidence rather than guesses.

4 courses · 84 lessons available · Four courses · shortest path here

  1. 1

    Event Loop Lifecycle

    1 lesson

    Start with the mechanism. Almost every Node performance problem is a misunderstanding of this one thing.

  2. 2

    Node.js Performance

    36 lessons

    Measuring before changing: percentiles, the RED and USE methods, and where the time actually goes.

  3. 3

    Huge JSON Handling

    1 lesson

    The specific case that breaks most services - a payload too big to hold in memory, and the streaming shape that fixes it.

  4. 4

    Microservices Patterns

    46 lessons

    Once one service is fast, the latency moves to the calls between them. Timeouts, retries, and circuit breakers.

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