2 description "Role applied to all tile cache servers"
8 :members => [:tomh, :grant, :matt, :jburgess]
22 :comment => "Increase size of connection queue",
24 "net.core.somaxconn" => 10000
27 :network_conntrack_time_wait => {
28 :comment => "Only track completed connections for 30 seconds",
30 "net.netfilter.nf_conntrack_tcp_timeout_time_wait" => "30"
33 :network_conntrack_max => {
34 :comment => "Increase max number of connections tracked",
36 "net.netfilter.nf_conntrack_max" => "524288"
39 :network_local_port_range => {
40 :comment => "Increase available local port range",
42 "net.ipv4.ip_local_port_range" => "1024\t65535"
45 :network_tcp_timewait_reuse => {
46 :comment => "Allow tcp timewait reuse",
48 "net.ipv4.tcp_tw_reuse" => 1
51 :squid_swappiness => {
52 :comment => "Prefer not to swapout to free memory",
54 "vm.swappiness" => "1"
58 :comment => "Tune scheduler",
60 "kernel.sched_min_granularity_ns" => "10000000",
61 "kernel.sched_wakeup_granularity_ns" => "15000000"
69 :io_scheduling_class => "best-effort",
70 :io_scheduling_priority => 7