2 description "Master role applied to poldi"
 
   7       :comment => "RAID arrays on areca",
 
  10       :serial => "20004d927fffff*",
 
  12         "queue/scheduler" => "deadline",
 
  13         "queue/read_ahead_kb" => "2048"
 
  16     :ssd_samsung_tune => {
 
  17       :comment => "Tune Samsung SSD",
 
  20       :serial => "Samsung_SSD_840_PRO_Series_*",
 
  22         "queue/scheduler" => "noop",
 
  23         "queue/nr_requests" => "256",
 
  24         "queue/read_ahead_kb" => "2048"
 
  30       :comment => "Tune the md sync performance so as not to kill system performance",
 
  32         "block/md0/md/sync_speed_min" => "1",
 
  33         "block/md0/md/sync_speed_max" => "100000"
 
  43         :address => "146.179.159.164"
 
  49         :address => "193.63.75.101"
 
  55         :address => "2001:630:12:500:2e0:81ff:fec5:333e"
 
  63         :shared_buffers => "10GB",
 
  65         :maintenance_work_mem => "10GB",
 
  66         :random_page_cost => "1.5",
 
  67         :effective_cache_size => "48GB",
 
  74     :flatnode_file => "/ssd-old/nominatim/nodes.store",
 
  76       :cluster => "9.3/main",
 
  77       :dbname => "nominatim",
 
  93       "Osm2pgsql_Data" => "aux",
 
  94       "Osm2pgsql_Index" => "data",
 
  95       "Place_Data" => "ssd2",
 
  96       "Place_Index" => "ssd1",
 
  97       "Address_Data" => "ssd2",
 
  98       "Address_Index" => "ssd1",
 
  99       "Search_Data" => "ssd1",
 
 100       "Search_Index" => "ssd1",