| kernel.shmmax = 1000000000 |
| kernel.shmmni = 4096 |
| kernel.shmall = 4000000000 |
| kernel.sem = 250 512000 100 2048 |
| kernel.sysrq = 1 |
| kernel.core_uses_pid = 1 |
| kernel.msgmnb = 65536 |
| kernel.msgmax = 65536 |
| kernel.msgmni = 2048 |
| net.ipv4.tcp_syncookies = 0 |
| net.ipv4.ip_forward = 0 |
| net.ipv4.conf.default.accept_source_route = 0 |
| net.ipv4.tcp_tw_recycle = 1 |
| net.ipv4.tcp_max_syn_backlog = 200000 |
| net.ipv4.conf.all.arp_filter = 1 |
| net.ipv4.ip_local_port_range = 1281 65535 |
| net.core.netdev_max_backlog = 200000 |
| vm.overcommit_memory = 2 |
| fs.nr_open = 3000000 |
| kernel.threads-max = 798720 |
| kernel.pid_max = 798720 |
| # increase network |
| net.core.rmem_max=2097152 |
| net.core.wmem_max=2097152 |
