tons of fpm_children_bury() in php-fpm.log PHP 5.2.13(PHP-FPM 0.5.13) + Nginx 0.7.65
This is from: http://forum.nginx.org/read.php?3,11113,11120"There's a setting which controls this. (Default = 500). So afterserving n=500 requests, the child worker process will voluntarily exititself. The manager above should re-fork a new child to replace theexited one. This is normal behaviour. The child will kill itself aftern requests because to stop memory leaks building up."