June 2017
Intermediate to advanced
536 pages
9h 49m
English
Content preview from Mastering PHP 7
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Concurrency
While concurrency is a topic applicable to multiple layers of stack, there are a few configuration directives around web servers that every developer should be familiar with. Concurrency refers to handling multiple connections inside a web server. The two most popular web servers for PHP, Apache, and Nginx, both allow some basic configuration for handling multiple connections.
While there are plenty of debates as to which server is faster, Apache with the MPM event module is pretty much on par with the Nginx performance.
The following directives dictate the Apache MPM event concurrency, and are therefore worth keeping an eye on:
- ThreadsPerChild: This is the number of threads created by each child process
- ServerLimit: This is ...
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