Also reduce php-fpm allocate for 'apache' user (need by webmail interface) with:
1. copy /etc/php-fpm/php53-fpm-pool.conf.tpl to custom.php53-fpm-pool.conf.tpl
2. modified custom.php53-fpm-pool.conf.tpl:
from:
$startservers = '4';
$minspareservers = '2';
$maxspareservers = '4';
$maxchildren = '6';
to:
if ($user === 'apache') {
$startservers = '2';
$minspareservers = '2';
$maxspareservers = '2';
$maxchildren = '2';
} else {
$startservers = '4';
$minspareservers = '2';
$maxspareservers = '4';
$maxchildren = '6';
}
3. run 'sh /script/fixweb; sh /script/restart-web'