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         :checkpoint_completion_target => "0.9",
 
  33         :autovacuum_max_workers => "1"
 
  39       :comment => "Increase shared memory for postgres",
 
  41         "kernel.shmmax" => 26 * 1024 * 1024 * 1024,
 
  42         "kernel.shmall" => 26 * 1024 * 1024 * 1024 / 4096
 
  45     :kernel_scheduler_tune => {
 
  46       :comment => "Tune kernel scheduler preempt",
 
  48         "kernel.sched_min_granularity_ns" => 10000000,
 
  49         "kernel.sched_wakeup_granularity_ns" => 15000000
 
  53       :comment => "Reduce swap usage",
 
  58     :network_conntrack_time_wait => {
 
  59       :comment => "Only track completed connections for 30 seconds",
 
  61         "net.netfilter.nf_conntrack_tcp_timeout_time_wait" => "30"
 
  64     :network_conntrack_max => {
 
  65       :comment => "Increase max number of connections tracked",
 
  67         "net.netfilter.nf_conntrack_max" => "131072"
 
  73     :repository => "git://git.openstreetmap.org/nominatim.git",
 
  75       "Osm2pgsql_Data" => "data",
 
  76       "Osm2pgsql_Index" => "data",
 
  77       "Place_Data" => "data",
 
  78       "Place_Index" => "ssd2",
 
  79       "Address_Data" => "data",
 
  80       "Address_Index" => "ssd2",
 
  81       "Search_Data" => "ssd1",
 
  82       "Search_Index" => "ssd1",