What are the benefits of using multi-process in nginx

First of all, nginx achieves high performance through an asynchronous and non-blocking event-driven model and multi-process mechanism.

(Recommended learning: nginx tutorial)

So what are the benefits of using multiple processes?

1. Processes do not share resources and do not need to lock, which reduces the impact of using locks on performance, while reducing programming complexity and development costs;

2. Using independent processes can prevent processes from affecting each other. If one process exits abnormally, other processes will work normally, and the master process will quickly start a new worker process to ensure that the service will not be interrupted, thus reducing the risk. drop to lowest.

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