Switching from prefork MPM to worker MPM + php-fpm on ubuntu

Question

All tutorials I found were how to fresh install worker MPM + PHP-FPM, since my wordpress blog\'s already up and running with prefork MPM, correct me if I\'m wrong in the simulat

Answer 1

1. yes, it has to at least replace the httpd process running. you definitely want to test this on a development set up first. it's easy to have a mistake in a config file that takes a while to figure out.

2. no changes to php, mysql. yes changes to apache httpd.conf to put in worker configurations - they are very different from prefork settings. you need to do these changes yourself in httpd.conf.

3. no, since this is a php module, whenever php runs it works. that said, it will run one copy for each pool in php-fpm, so if you have multiple domains, you could group them into a pool to share...but be aware of security concerns if you do that.

4. httpd -V shows "server mpm"

good luck!