kernel.panic = 1
kernel.pid_max = 60000
kernel.shmmax = 4294967296
kernel.shmall = 1073741824
kernel.core_pattern = core_%e
vm.panic_on_oom = 1
vm.min_free_kbytes = 1048576
vm.vfs_cache_pressure = 250
vm.swappiness = 20
vm.dirty_ratio = 20
fs.file-max = 2048575
net.core.somaxconn = 65535
net.core.wmem_default = 8388608
net.core.rmem_default = 8388608
net.core.rmem_max = 76777216
net.core.wmem_max = 76777216
net.core.netdev_max_backlog = 65535
#net.ipv4.tcp_syncookies = 1
net.ipv4.conf.all.log_martians = 1
net.ipv4.conf.default.log_martians = 1
net.ipv4.conf.all.accept_source_route = 0
net.ipv4.conf.default.accept_source_route = 0
net.ipv4.conf.all.rp_filter = 1
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.all.accept_redirects = 0
net.ipv4.conf.default.accept_redirects = 0
net.ipv4.conf.all.secure_redirects = 0
net.ipv4.conf.default.secure_redirects = 0
net.ipv4.ip_local_port_range = 9000 60000
net.ipv4.ip_default_ttl = 64
net.ipv4.tcp_rmem = 4096 87380 8388608
net.ipv4.tcp_wmem = 4096 32768 8388608
net.ipv4.tcp_window_scaling = 1
net.ipv4.tcp_max_syn_backlog = 60000
#net.ipv4.tcp_tw_recycle = 1
#net.ipv4.tcp_tw_reuse = 0
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_syn_retries = 3
net.ipv4.tcp_synack_retries = 3
net.ipv4.tcp_fin_timeout = 60
net.ipv4.tcp_keepalive_time = 300
net.ipv4.tcp_keepalive_probes = 2
net.ipv4.tcp_keepalive_intvl = 2
net.ipv4.tcp_max_orphans = 262144
net.ipv4.tcp_max_tw_buckets = 25000
net.ipv4.neigh.default.gc_thresh1 = 128
net.ipv4.neigh.default.gc_thresh2 = 512
net.ipv4.neigh.default.gc_thresh3 = 4096