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Switch PHP's default process manager 

Changing from dynamic to ondemand lowers the number of waiting processes from the default of 3 to 1. PHP automatically scales up the number of processes when required, but kills them after 10 seconds (default). I've seen PHP's memory consumption drop significantly. This should be very helpful for low-end VPS servers.

Based on this article: https://ma.ttias.be/a-better-way-to-run-php-fpm/ and tested for a couple of months on a VPS with 1 GB. No noticeable negative loading times, but about 15% less RAM usage.
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dofl 2017-07-26 07:23:26 +02:00 committed by GitHub
parent 62b6117638
commit b74a76a8eb
1 changed files with 4 additions and 0 deletions
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setup/web.sh
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@ -47,6 +47,10 @@ tools/editconf.py /etc/php5/fpm/php.ini -c ';' \
tools/editconf.py /etc/php5/fpm/php.ini -c ';' \ tools/editconf.py /etc/php5/fpm/php.ini -c ';' \
default_charset="UTF-8" default_charset="UTF-8"
# Switch from the dynamic process manager to the ondemand manager
tools/editconf.py /etc/php5/fpm/pool.d/www.conf -c ';' \
pm = ondemand
# Bump up PHP's max_children to support more concurrent connections # Bump up PHP's max_children to support more concurrent connections
tools/editconf.py /etc/php5/fpm/pool.d/www.conf -c ';' \ tools/editconf.py /etc/php5/fpm/pool.d/www.conf -c ';' \
pm.max_children=8 pm.max_children=8