# grep ^pm /etc/php-fpm.d/www.conf
pm = dynamic
pm.max_children = 8
pm.start_servers = 6
pm.min_spare_servers = 4
pm.max_spare_servers = 8
pm.max_requests = 100
# siege -u https://www.axivo.com/forums/ -c 2000 -d 30 -t 1M
Lifting the server siege... done.
Transactions: 7126 hits
Availability: 100.00 %
Elapsed time: 59.16 secs
Data transferred: 61.61 MB
Response time: 0.32 secs
Transaction rate: 120.45 trans/sec
Throughput: 1.04 MB/sec
Concurrency: 38.46
Successful transactions: 7126
Failed transactions: 0
Longest transaction: 1.57
Shortest transaction: 0.02
# top -M
top - 02:53:24 up 1:05, 2 users, load average: 2.96, 0.86, 0.47
Tasks: 161 total, 1 running, 160 sleeping, 0 stopped, 0 zombie
Cpu(s): 57.4%us, 6.8%sy, 0.0%ni, 34.4%id, 0.0%wa, 0.0%hi, 1.4%si, 0.0%st
Mem: 7770.230M total, 1225.762M used, 6544.469M free, 22.562M buffers
Swap: 8191.992M total, 0.000k used, 8191.992M free, 286.328M cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
31504 php-fpm 20 0 995m 16m 8792 S 23.3 0.2 0:01.12 php-fpm
31505 php-fpm 20 0 995m 16m 8796 S 23.3 0.2 0:00.88 php-fpm
1742 mysql 20 0 1786m 305m 9104 S 22.9 3.9 2:05.98 mysqld
31503 php-fpm 20 0 995m 16m 8804 S 22.9 0.2 0:01.48 php-fpm
31506 php-fpm 20 0 995m 16m 8792 S 21.9 0.2 0:00.66 php-fpm
31507 php-fpm 20 0 995m 16m 8796 S 21.0 0.2 0:00.63 php-fpm
31508 php-fpm 20 0 995m 16m 8796 S 13.3 0.2 0:00.40 php-fpm
31509 php-fpm 20 0 995m 16m 8796 S 12.3 0.2 0:00.37 php-fpm
31510 php-fpm 20 0 995m 16m 8792 S 11.0 0.2 0:00.33 php-fpm
29397 nginx 20 0 174m 25m 2032 S 8.6 0.3 0:04.93 nginx
29398 nginx 20 0 174m 24m 2024 S 8.6 0.3 0:04.98 nginx
1403 memcache 20 0 375m 24m 600 S 5.3 0.3 0:24.93 memcached
29399 nginx 20 0 174m 25m 2024 S 4.3 0.3 0:04.46 nginx