2 description "Role applied to all nominatim servers."
7 :lonvia => { :status => :administrator },
10 :members => [:lonvia, :tomh]
16 :http_rate_limit => "s:2/sec:15"
22 :max_connections => "450",
23 :synchronous_commit => "off",
24 :checkpoint_segments => "32",
25 :checkpoint_timeout => "10min",
26 :checkpoint_completion_target => "0.9",
28 :shared_buffers => "2GB",
29 :autovacuum_max_workers => "1",
30 :max_parallel_workers_per_gather => "0"
36 :comment => "Increase shared memory for postgres",
38 "kernel.shmmax" => 26 * 1024 * 1024 * 1024,
39 "kernel.shmall" => 26 * 1024 * 1024 * 1024 / 4096
42 :kernel_scheduler_tune => {
43 :comment => "Tune kernel scheduler preempt",
45 "kernel.sched_min_granularity_ns" => 10000000,
46 "kernel.sched_wakeup_granularity_ns" => 15000000
50 :comment => "Reduce swap usage",
55 :network_conntrack_time_wait => {
56 :comment => "Only track completed connections for 30 seconds",
58 "net.netfilter.nf_conntrack_tcp_timeout_time_wait" => "30"
61 :network_conntrack_max => {
62 :comment => "Increase max number of connections tracked",
64 "net.netfilter.nf_conntrack_max" => "196608"
71 "recipe[nominatim::default]"