I have 64G Memory, 12coreX3CPU , SATA HDD... But memory using %5 ?? How to increase this limit?
htop https://i.stack.imgur.com/STqtm.png
top -c https://i.stack.imgur.com/TpjAx.png
[root@ns228430 ~]# free -m
total used free shared buffers cached
Mem: 64461 13329 51131 0 1444 4334
-/+ buffers/cache: 7550 56910
Swap: 1025 0 1025
[root@ns228430 ~]#
[root@ns228430 ~]# sysctl -p
net.ipv4.ip_forward = 0
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.default.accept_source_route = 0
kernel.core_uses_pid = 1
kernel.msgmnb = 65536
kernel.msgmax = 65536
kernel.shmmax = 68719476736
kernel.shmall = 4294967296
vm.swappiness = 60
net.ipv6.conf.all.autoconf = 0
net.ipv6.conf.default.autoconf = 0
net.ipv6.conf.eth0.autoconf = 0
net.ipv6.conf.all.accept_ra = 0
net.ipv6.conf.default.accept_ra = 0
net.ipv6.conf.eth0.accept_ra = 0
net.ipv4.netfilter.ip_conntrack_tcp_timeout_close_wait = 240
net.ipv4.netfilter.ip_conntrack_tcp_timeout_established = 28800
net.netfilter.nf_conntrack_max = 256000
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_max_orphans = 262144
net.ipv4.tcp_max_syn_backlog = 262144
net.ipv4.tcp_synack_retries = 2
net.ipv4.tcp_syn_retries = 2
net.core.somaxconn = 262144
net.core.netdev_max_backlog = 30000
net.ipv4.tcp_tw_recycle = 1
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
My current Apache prefork settings
<IfModule mpm_prefork_module>
StartServers 5
MinSpareServers 5
MaxSpareServers 10
ServerLimit 4450
MaxClients 4450
MaxRequestsPerChild 10000
</IfModule>
after reboot, ram usage dropped. I now installed LiteSpeed but no change was not:( http://i.hizliresim.com/PYPgXb.png