diff --git a/debian/php/php.ini b/debian/php/php.ini
index 35c9074..2defb8d 100644
--- a/debian/php/php.ini
+++ b/debian/php/php.ini
@@ -1,15 +1,23 @@
 [core]
-# https://www.php.net/manual/en/ini.core.php
-post_max_size = 10M
-upload_max_filesize = 10M
+; https://www.php.net/manual/en/ini.core.php
+post_max_size=10M
+upload_max_filesize=10M
 
 [opcache]
-# https://www.php.net/manual/en/opcache.installation.php#opcache.installation.recommended
+; https://www.php.net/manual/en/opcache.installation.php#opcache.installation.recommended
 opcache.enable_cli=1
-opcache.max_accelerated_files=4000
-opcache.revalidate_freq=60
 
 [jit]
-# https://wiki.php.net/rfc/jit_config_defaults
+; https://wiki.php.net/rfc/jit_config_defaults
 opcache.jit=tracing
 opcache.jit_buffer_size=64M
+
+[extra]
+; http://symfony.com/doc/current/performance.html
+opcache.memory_consumption=256
+opcache.max_accelerated_files=20000
+opcache.preload=/var/www/html/preload.php
+opcache.preload_user=www-data
+opcache.validate_timestamps=0
+realpath_cache_size = 4096K
+realpath_cache_ttl = 600