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Express 本身是单线程的,但可以通过 Node.js 的 cluster 模块 或 pm2 等工具来利用多核 CPU,从而提升性能.多进程的引入虽然提高了性能,但也可能带来数据一致性、资源竞争等潜在的进程不安全问题.以下是详细的讲解.
Pm2
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