1. Decrease of ServerLimit, MaxRequestWorkers and MaxClients to half of previous value (example 385 to 192) for ~lxcenter.conf
2. Modified /home/php-fpm/tpl/php53-fpm-pool.conf.tpl
from:
...
$startservers = '4';
$minspareservers = '2';
$maxspareservers = '4';
$maxchildren = '6';
...
pm = dynamic
...
to:
...
$startservers = '4';
$minspareservers = '2';
$maxspareservers = '4';
$maxchildren = '12';
...
pm = ondemand
...
and then run 'sh /script/fixweb; sh /script/restart-web'