2 description "Role applied to all nominatim servers"
 
   7       :lonvia => { :status => :administrator },
 
   8       :twain => { :status => :administrator },
 
  11         :members => [:lonvia, :tomh, :twain]
 
  22       :threads_per_child => 50
 
  28         :max_connections => "450",
 
  29         :synchronous_commit => "off",
 
  30         :checkpoint_segments => "32",
 
  31         :checkpoint_timeout => "10min",
 
  32         :max_wal_size => "1536MB",
 
  33         :checkpoint_completion_target => "0.9",
 
  34         :shared_buffers => "2GB",
 
  35         :autovacuum_max_workers => "1"
 
  41       :comment => "Increase shared memory for postgres",
 
  43         "kernel.shmmax" => 26 * 1024 * 1024 * 1024,
 
  44         "kernel.shmall" => 26 * 1024 * 1024 * 1024 / 4096
 
  47     :kernel_scheduler_tune => {
 
  48       :comment => "Tune kernel scheduler preempt",
 
  50         "kernel.sched_min_granularity_ns" => 10000000,
 
  51         "kernel.sched_wakeup_granularity_ns" => 15000000
 
  55       :comment => "Reduce swap usage",
 
  60     :network_conntrack_time_wait => {
 
  61       :comment => "Only track completed connections for 30 seconds",
 
  63         "net.netfilter.nf_conntrack_tcp_timeout_time_wait" => "30"
 
  66     :network_conntrack_max => {
 
  67       :comment => "Increase max number of connections tracked",
 
  69         "net.netfilter.nf_conntrack_max" => "131072"
 
  75     :repository => "git://git.openstreetmap.org/nominatim.git",
 
  77       "Osm2pgsql_Data" => "data",
 
  78       "Osm2pgsql_Index" => "data",
 
  79       "Place_Data" => "data",
 
  80       "Place_Index" => "ssd2",
 
  81       "Address_Data" => "data",
 
  82       "Address_Index" => "ssd2",
 
  83       "Search_Data" => "ssd1",
 
  84       "Search_Index" => "ssd1",