fs.file-max=65536
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_synack_retries = 5
net.ipv4.tcp_syn_retries = 5
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_fin_timeout = 10
net.ipv4.tcp_keepalive_time = 30
net.ipv4.tcp_window_scaling = 0
net.ipv4.tcp_sack = 0
net.ipv4.ip_local_port_range = 1024 65535
kernel.shmall = 2097152
kernel.shmmax = 2147483648
kernel.shmmni = 4096
kernel.sem = 5010 641280 5010 128
net.core.wmem_default=262144
net.core.wmem_max=262144
net.core.rmem_default=4194304
net.core.rmem_max=4194304
sysctl -p