9/21/2023 0 Comments Php fpm apc![]() How to install APCĪPC is a PECL module that can be loaded into PHP, but because it operates at the server-level it can not be run on our shared hosting servers. APC is great when you need local caching of objects for your PHP scripts that are relatively small and frequently accessed. ![]() You might want to read about choosing the best PHP handler for your specific needs, and also a more in-depth explanation on what DSO and FastCGI are.Īnother common caching module is Memcached, and the main difference between it and APC is that Memcached is distributed and more robust generic caching platform, while APC is specific to PHP. You can utilize APC on a VPS Â or dedicated server that is running PHP as either DSO or FastCGI. What’s the difference between APC and other types of caching?ĪPC for PHP is one of the most widely used PHP opcode caching solutions in use today. APC stores the opcode, and that is simply executed each time the script is called again. By implementing APC you cut down on repeat PHP script executions, skipping the parsing and compiling steps. In most cases the need to re-run PHP scripts for data that might not have changed in the first place, can be taxing on the server. So for instance if you have your PHP script pulling data from a database, as soon as there is new data in the database, it will automatically be in the generated HTML code for the next visitor requesting that page as well. PHP is ideal for web pages that have content that is constantly updated, since each visitor gets a fresh copy of the page. I also use MaxCDN (not active on the VPS atm) and will use CloudFlare as a DNS server.PHP is a dynamic scripting language, so every time there is a request for a page, the server must first parse the code in your PHP script in order to generate the resulting HTML code seen by a visitor’s web-browser. but before i migrate the site to this server and go live with it, i want to optimize everything and be sure it will be fast. W3 Total Cache is setup to do database and object cache using APC, and minify/page cache with disk enhanced. I will use this VPS for a WordPress website with about 5k daily visitors and 13~15k daily pageviews. I also optimized php-fpm and Nginx, reading they wikis and tutorials all over the internet. Percona gave me some really big numbers, so i did a mix of both. I started trying to optimize MySQL for it, using tutoriais i found on the internet for low end boxes and. after i started messing up with the settings, did the test again and it jumped to 250ms, so i guess i'm doing something wrong. What do you guys think? Does it look ok for the setup i have and i'm being paranoic, or it's bad? With default settings i used to take a look, with 25 users (default free test) and default load as 130ms. But it seems like the Requests per second was kinda low. While i did the test i was taking a look at the VPS's stats with htop, and it seems like it did not used more than 230mb RAM in the entire test, and CPU stayed at 2~4% usage, what is prety cool i guess. Percentage of the requests served within a certain time (ms) Time per request: 41.695 (mean, across all concurrent requests) Licensed to The Apache Software Foundation, Doing an ab test, i got this: ab -c 10 -n 1000 Ĭopyright 1996 Adam Twiss, Zeus Technology Ltd, Installed Nginx, php-fpm (as a unix socket), APC, Varnish and MySQL on Ubuntu 12.04 server with OnApp, and everything works and is damm fast, at least on my end.Ītm i have a VPS with 1 core (Xeon(R) X5660 is what the VPS use iirc), 1.2GHz and 768MB RAM, everything limited with OnApp. I'm setting up my first VPS and it seems to be working well.
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