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🗣 Wd提问: nginx reuseport

🤖 Ai回答:
`reuseport` is a feature in Nginx that allows multiple worker processes to listen on the same port、This can improve performance by distributing incoming connections more evenly across worker processes.

Here are some key points about Nginx `reuseport`:

1、Benefits:
Better load distribution among worker processes
Reduced latency for new connections
Improved performance under high load conditions

2、How it works:
Each worker process binds to the same port independently
The operating system's kernel balances incoming connections among the workers

3、Configuration:
Add the `reuseport` parameter to the `listen` directive in your Nginx configuration
Example:

server {
listen 80 reuseport;
...
}

4、Requirements:
Linux kernel 3.9 or later
FreeBSD 10.1 or later
Nginx 1.9.1 or later

5、Considerations:
May not be beneficial for all workloads
Can lead to increased memory usage
May require tuning of OS parameters

6、Performance impact:
Generally improves performance, especially under high load
Results may vary depending on specific use case and hardware

7、Monitoring:
Monitor system performance and Nginx metrics after enabling
Adjust configuration as needed based on observed behavior

Remember to test the impact of `reuseport` in your specific environment before deploying it in production, as the benefits may vary depending on your workload and system configuration.

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