A simple analysis of the advantages and disadvantages of Node.js

This article brings you a simple analysis of the advantages and disadvantages of Node.js. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

Advantages:

Event-driven: Mobilize available resources and execute tasks based on events that occur at a point in time

Non-blocking IO: In the non-blocking state, it will not wait for the result of the I/O operation to return, and continue to execute the next statement. When the result returns, the I/O will be notified in the form of an event; while boiling water, it will Sweep the floor and boil the water before proceeding with the next operation

Disadvantages:

Single process and single thread, unable to fully utilize multi-core CPU. Once one process crashes, the entire server crashes.

Applicable scenarios:

Lightweight and efficient, suitable for IO intensive, not suitable for CPU intensive

IO intensive: chat room

CPU intensive: video decoding

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