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Why does PHP-FPM consume too much CPU?
PHP-FPM can lead to high server load due to many reasons: Too many processes running due to high traffic or attacks. A related service such as MySQL or web server being abused. PHP-FPM configuration is not properly mapped to available server resources.
Is 40% CPU usage normal?
Let’s focus here on PC. How Much CPU Usage is Normal? Normal CPU usage is 2-4% at idle, 10% to 30% when playing less demanding games, up to 70% for more demanding ones, and up to 100% for rendering work.
How PHP-FPM works with Nginx?
PHP-FPM is an alternative FastCGI for PHP, which intends to handle high loads. NGINX uses event-driven architecture and occupies around 10MB of RAM while handling a large number of requests. PHP-FPM is enhanced in terms of speed. It is a lot better than a mod_php module – a default module in Apache HTTP server.
How does PHP-FPM work?
As PHP-FPM receives a proxied connection, a free PHP-FPM worker accepts the web server’s request. PHP-FPM then compiles and executes the PHP script, sending the output back to the web server. Once a PHP-FPM worker finishes handling a request, the system releases the worker and waits for new requests.
How to check the performance of php5-fpm?
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 28436 www-data 20 0 67608 10m 5304 R 48.5 1.8 0:23.68 php5-fpm 28548 www-data 20 0 67608 10m 5276 R 45.2 1.7 0:07.62 php5-fpm 28434 www-data 20 0 67608 10m 5292 R 2.0 1.8 0:23.28 php5-fpm 28439 www-data 20 0 67608 10m 5304 R 2.0 1.8 0:26.63 php5-fpm
Why does PHP FPM cause high server load?
PHP-FPM can lead to high server load due to many reasons: The first thing server owners tend to do for an immediate fix, is to restart the PHP-FPM service. But simply restarting the service is only a band-aid solution, and you will soon see the load spiking.
Why does PHP use a lot of CPU?
My problem is very similar: I am using WP Rocket, ServerPilot and 32 gb RAM, 8core CPU. When I get more than 1000 active concurrent visitors my php-fmp goes to the roof and my TTFB gets very high. Cheers. As traffic grows, so will resource usage. One way to reduce usage is to implement caching so that each page load doesn’t hit the database.
Do you have a php5-fpm APC instance?
I have an NGINX + PHP5-FPM + APC Amazon Ubuntu instance and there is a website installed on it which is a complex PHP framework.