Hi, My server has 4GB of memory, but the total commited memory is a lot higher (6.2GB). I followed the guid : The Perfect Server - Ubuntu 12.04 LTS (nginx, BIND, Dovecot, ISPConfig 3) How to get my memory usage better ? Code: top - 14:01:36 up 3 days, 23:29, 3 users, load average: 0.24, 0.22, 0.17 Tasks: 419 total, 1 running, 414 sleeping, 4 stopped, 0 zombie Cpu(s): 0.0%us, 0.1%sy, 0.0%ni, 99.6%id, 0.2%wa, 0.0%hi, 0.1%si, 0.0%st Mem: 4040628k total, 3803656k used, 236972k free, 180004k buffers Swap: 4182012k total, 164348k used, 4017664k free, 1634668k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ GROUP COMMAND 27251 mysql 20 0 1692m 66m 7708 S 0 1.7 0:07.08 mysql mysqld 15708 bind 20 0 673m 26m 2644 S 0 0.7 0:01.46 bind named 19146 root 20 0 482m 7044 2368 S 0 0.2 1:48.55 root fail2ban-server 11529 web11 20 0 432m 86m 36m S 0 2.2 0:00.97 client6 php5-fpm 11533 web11 20 0 432m 86m 36m S 0 2.2 0:00.76 client6 php5-fpm 11535 web11 20 0 431m 86m 36m S 0 2.2 0:00.75 client6 php5-fpm 11534 web11 20 0 430m 85m 37m S 0 2.2 0:00.81 client6 php5-fpm 11539 web11 20 0 429m 81m 34m S 0 2.1 0:00.78 client6 php5-fpm 11538 web11 20 0 427m 81m 35m S 0 2.1 0:01.28 client6 php5-fpm 11536 web11 20 0 426m 81m 36m S 0 2.1 0:00.87 client6 php5-fpm 11540 web11 20 0 426m 81m 36m S 0 2.1 0:01.69 client6 php5-fpm 11528 web11 20 0 426m 81m 36m S 0 2.1 0:00.79 client6 php5-fpm 11530 web11 20 0 425m 79m 35m S 0 2.0 0:00.78 client6 php5-fpm 11542 web11 20 0 425m 81m 37m S 0 2.1 0:02.93 client6 php5-fpm 11532 web11 20 0 425m 80m 36m S 0 2.0 0:00.66 client6 php5-fpm 11544 web11 20 0 425m 80m 36m S 0 2.0 0:00.60 client6 php5-fpm 11545 web11 20 0 422m 77m 36m S 0 2.0 0:00.74 client6 php5-fpm 11543 web11 20 0 412m 68m 36m S 0 1.7 0:00.69 client6 php5-fpm 11531 web11 20 0 412m 67m 36m S 0 1.7 0:01.63 client6 php5-fpm 11537 web11 20 0 412m 66m 36m S 0 1.7 0:00.68 client6 php5-fpm 2205 clamav 20 0 410m 142m 5644 S 0 3.6 1:34.05 clamav clamd 11541 web11 20 0 409m 62m 34m S 0 1.6 0:00.66 client6 php5-fpm 11658 web6 20 0 406m 44m 19m S 0 1.1 0:00.29 client5 php5-fpm 11546 web11 20 0 404m 52m 30m S 0 1.3 0:01.24 client6 php5-fpm 11660 web6 20 0 402m 38m 16m S 0 1.0 0:00.19 client5 php5-fpm 11656 web6 20 0 400m 36m 17m S 0 0.9 0:00.24 client5 php5-fpm 11696 web5 20 0 398m 51m 33m S 0 1.3 0:02.71 client2 php5-fpm 11694 web5 20 0 398m 51m 33m S 0 1.3 0:03.00 client2 php5-fpm 11613 www-data 20 0 397m 30m 14m S 0 0.8 0:00.16 www-data php5-fpm 11713 web5 20 0 397m 52m 35m S 0 1.3 0:02.61 client2 php5-fpm 11654 web6 20 0 397m 38m 20m S 0 1.0 0:00.15 client5 php5-fpm 11655 web6 20 0 397m 28m 11m S 0 0.7 0:00.14 client5 php5-fpm 11704 web5 20 0 396m 52m 35m S 0 1.3 0:02.63 client2 php5-fpm 11714 web1 20 0 395m 37m 21m S 0 0.9 0:00.16 client1 php5-fpm 11697 web5 20 0 395m 46m 30m S 0 1.2 0:02.26 client2 php5-fpm 11611 www-data 20 0 395m 27m 14m S 0 0.7 0:00.17 www-data php5-fpm 11610 www-data 20 0 394m 28m 15m S 0 0.7 0:00.22 www-data php5-fpm 11659 web6 20 0 394m 29m 14m S 0 0.7 0:00.17 client5 php5-fpm 11547 web11 20 0 394m 49m 36m S 0 1.3 0:00.64 client6 php5-fpm 11657 web6 20 0 393m 26m 13m S 0 0.7 0:00.14 client5 php5-fpm 11709 web5 20 0 392m 47m 34m S 0 1.2 0:02.42 client2 php5-fpm 11699 web5 20 0 392m 46m 33m S 0 1.2 0:02.64 client2 php5-fpm 11702 web5 20 0 392m 47m 35m S 0 1.2 0:02.73 client2 php5-fpm 11701 web5 20 0 391m 47m 35m S 0 1.2 0:02.69 client2 php5-fpm 11705 web5 20 0 391m 47m 35m S 0 1.2 0:02.59 client2 php5-fpm 11710 web5 20 0 391m 45m 34m S 0 1.2 0:02.33 client2 php5-fpm 11612 www-data 20 0 391m 25m 14m S 0 0.7 0:00.09 www-data php5-fpm 11707 web5 20 0 391m 46m 34m S 0 1.2 0:02.89 client2 php5-fpm 11698 web5 20 0 391m 46m 35m S 0 1.2 0:02.55 client2 php5-fpm 11708 web5 20 0 391m 45m 34m S 0 1.2 0:02.39 client2 php5-fpm 11700 web5 20 0 390m 46m 35m S 0 1.2 0:02.73 client2 php5-fpm 11695 web5 20 0 390m 43m 32m S 0 1.1 0:02.67 client2 php5-fpm 11703 web5 20 0 390m 46m 35m S 0 1.2 0:02.64 client2 php5-fpm 11712 web5 20 0 390m 45m 35m S 0 1.2 0:02.66 client2 php5-fpm 11711 web5 20 0 390m 45m 34m S 0 1.1 0:02.26 client2 php5-fpm 11706 web5 20 0 389m 43m 34m S 0 1.1 0:02.23 client2 php5-fpm 11527 root 20 0 388m 10m 4408 S 0 0.3 0:00.40 root php5-fpm 11589 ispconfi 20 0 388m 18m 11m S 0 0.5 0:00.40 ispconfi php5-fpm 11588 ispconfi 20 0 387m 20m 12m S 0 0.5 0:00.37 ispconfi php5-fpm 11680 web17 20 0 387m 9064 2608 S 0 0.2 0:00.00 client7 php5-fpm 11674 web17 20 0 386m 8368 2028 S 0 0.2 0:00.00 client7 php5-fpm 11675 web17 20 0 386m 8344 2012 S 0 0.2 0:00.00 client7 php5-fpm 11676 web17 20 0 386m 8356 2016 S 0 0.2 0:00.00 client7 php5-fpm 11677 web17 20 0 386m 8360 2020 S 0 0.2 0:00.00 client7 php5-fpm 11678 web17 20 0 386m 8348 2016 S 0 0.2 0:00.00 client7 php5-fpm 11679 web17 20 0 386m 8332 2012 S 0 0.2 0:00.00 client7 php5-fpm 11681 web17 20 0 386m 8332 2004 S 0 0.2 0:00.00 client7 php5-fpm 11548 ispapps 20 0 386m 6976 740 S 0 0.2 0:00.00 ispapps php5-fpm 11549 ispapps 20 0 386m 6976 740 S 0 0.2 0:00.00 ispapps php5-fpm 11550 ispapps 20 0 386m 6976 740 S 0 0.2 0:00.00 ispapps php5-fpm 11551 ispapps 20 0 386m 6976 740 S 0 0.2 0:00.00 ispapps php5-fpm
On the Options tab of your web sites in ISPConfig, lower the PHP-FPM values: PHP-FPM pm.max_children: 10 PHP-FPM pm.start_servers: 2 PHP-FPM pm.min_spare_servers: 1 PHP-FPM pm.max_spare_servers: 5 ISPConfig 3.0.5 will have lower values by default, plus the option to select the PHP-FPM mode (static, dynamic, or ondemand).
[Resloved] High Memory usage Thanks Falko, that did it. Memory usage dropped instantly. Don't know why, but these setting came as default when setting up ISPConfig.
