sysctl.conf

sysctl.conf

net.ipv4.ip_forward = 0        
net.ipv4.conf.all.rp_filter = 1
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.default.accept_source_route = 0
kernel.sysrq = 0
kernel.core_uses_pid = 1
net.bridge.bridge-nf-call-ip6tables = 0
net.bridge.bridge-nf-call-iptables = 0
net.bridge.bridge-nf-call-arptables = 0
kernel.msgmnb = 65536
kernel.msgmax = 65536
kernel.shmmax = 68719476736
kernel.shmall = 4294967296
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv4.neigh.default.gc_stale_time = 120
net.ipv4.conf.default.arp_announce = 2
net.ipv4.conf.all.arp_announce = 2
net.ipv4.conf.lo.arp_announce = 2

net.core.wmem_default = 8388608 
net.core.rmem_default = 8388608 
net.core.rmem_max = 16777216 
net.core.wmem_max = 16777216 
net.ipv4.tcp_rmem = 4096 65536 16777216
net.ipv4.tcp_wmem = 4096 65536 16777216     
net.ipv4.tcp_mem = 8388608 8388608 8388608

net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_synack_retries = 1 
net.ipv4.tcp_syn_retries = 1 
net.ipv4.tcp_max_syn_backlog = 262144

net.ipv4.tcp_max_tw_buckets = 10000 
net.ipv4.tcp_tw_recycle = 1 
net.ipv4.tcp_tw_reuse = 1 
net.ipv4.tcp_timestamps = 0 
net.ipv4.tcp_fin_timeout = 5
net.ipv4.ip_local_port_range = 4000 65000

net.ipv4.tcp_keepalive_time = 1200
net.ipv4.tcp_keepalive_intvl = 15
net.ipv4.tcp_keepalive_probes = 5

net.core.somaxconn = 262144
net.core.netdev_max_backlog = 262144  
net.ipv4.tcp_max_orphans = 3276800
net.ipv4.tcp_sack = 1
net.ipv4.tcp_window_scaling = 1

fs.inotify.max_user_instances = 1048576        
fs.inotify.max_user_watches = 1048576
fs.aio-max-nr= 1048576
fs.file-max = 1048575
fs.nr_open = 9999999
fs.file-max = 9999999

vm.overcommit_memory = 1
vm.min_free_kbytes = 65536

net.core.default_qdisc=fq
net.ipv4.tcp_congestion_control=bbr