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]"