2 description "Role applied to all nominatim servers."
7 :lonvia => { :status => :administrator },
8 :twain => { :status => :administrator },
11 :members => [:lonvia, :tomh, :twain]
22 :max_request_workers => 1600,
23 :threads_per_child => 50
27 :sources => ["postgresql"]
32 :max_connections => "450",
33 :synchronous_commit => "off",
34 :checkpoint_segments => "32",
35 :checkpoint_timeout => "10min",
36 :checkpoint_completion_target => "0.9",
37 :shared_buffers => "2GB",
38 :autovacuum_max_workers => "1"
44 :comment => "Increase shared memory for postgres",
46 "kernel.shmmax" => 26 * 1024 * 1024 * 1024,
47 "kernel.shmall" => 26 * 1024 * 1024 * 1024 / 4096
50 :kernel_scheduler_tune => {
51 :comment => "Tune kernel scheduler preempt",
53 "kernel.sched_min_granularity_ns" => 10000000,
54 "kernel.sched_wakeup_granularity_ns" => 15000000
58 :comment => "Reduce swap usage",
63 :network_conntrack_time_wait => {
64 :comment => "Only track completed connections for 30 seconds",
66 "net.netfilter.nf_conntrack_tcp_timeout_time_wait" => "30"
69 :network_conntrack_max => {
70 :comment => "Increase max number of connections tracked",
72 "net.netfilter.nf_conntrack_max" => "131072"
79 "recipe[nominatim::default]"