2 description "Role applied to all tile cache servers"
8 :members => [:tomh, :grant, :matt, :jburgess]
13 :tcp_fastopen_key => "tile"
20 :keys_zone => "proxy_cache_zone:128M"
26 :comment => "Increase size of connection queue",
28 "net.core.somaxconn" => 10000
31 :network_conntrack_time_wait => {
32 :comment => "Only track completed connections for 30 seconds",
34 "net.netfilter.nf_conntrack_tcp_timeout_time_wait" => "30"
37 :network_conntrack_max => {
38 :comment => "Increase max number of connections tracked",
40 "net.netfilter.nf_conntrack_max" => "524288"
43 :network_local_port_range => {
44 :comment => "Increase available local port range",
46 "net.ipv4.ip_local_port_range" => "1024\t65535"
49 :network_tcp_timewait_reuse => {
50 :comment => "Allow tcp timewait reuse",
52 "net.ipv4.tcp_tw_reuse" => 1
55 :kernel_tfo_listen_enable => {
56 :comment => "Enable TCP Fast Open for listening sockets",
58 "net.ipv4.tcp_fastopen" => 3
61 :squid_swappiness => {
62 :comment => "Prefer not to swapout to free memory",
64 "vm.swappiness" => "1"
68 :comment => "Tune scheduler",
70 "kernel.sched_min_granularity_ns" => "10000000",
71 "kernel.sched_wakeup_granularity_ns" => "15000000"
79 :io_scheduling_class => "best-effort",
80 :io_scheduling_priority => 7