Nginx HTTP 500 Error Analysis and resolution method

The scene appears:  In the use of Nginx load balancer server to do concurrency test, the concurrency ratio is large, nginx will report an HTTP 500 error   cause of error:When there is a large amount of traffic, you cannot open too many files due to system resource constraints Reason lookup:

• Open Nginx error log (/usr/local/nginx/logs/error.log)

• See if you are reporting too many open files error

Error Resolution:

• Open/etc/security/limits.conf

• Modify the limits.conf file, plus the following two sentences

* Soft Nofile 65535 * Hard Nofile 65535

• Open/usr/local/nginx/conf/nginx.conf, add a line of configuration under Worker_processes

worker_rlimit_nofile 65535;

• Restart Nginx, problem solving

Nginx HTTP 500 Error Analysis and resolution method