Is this a problem with c10k... No matter how awesome the single-machine configuration is, there will still be bottlenecks. A machine with a configuration worth 1 million W is far less practical than 10 machines worth 1 W each.
The memory, CPU, and disk stress test information is not posted. nginx configuration and php-fpm configuration are not posted either. The data on related resources is not posted, such as the load of the mysql machine. From your tone, I feel that the resources should be fine. It may be that there are not enough php-fpm processes. It is also possible that the backend such as mysql cannot handle it.
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Is this a problem with c10k... No matter how awesome the single-machine configuration is, there will still be bottlenecks. A machine with a configuration worth 1 million W is far less practical than 10 machines worth 1 W each.
The memory, CPU, and disk stress test information is not posted.
nginx configuration and php-fpm configuration are not posted either.
The data on related resources is not posted, such as the load of the mysql machine.
From your tone, I feel that the resources should be fine. It may be that there are not enough php-fpm processes. It is also possible that the backend such as mysql cannot handle it.