2 description "Master role applied to katla"
 
   6     :sources => ["postgresql"]
 
  13       :comment => "RAID array mounted on /store/arrays/slow",
 
  16       :serial => "3600605b005a0609019290f178be8de77",
 
  18         "queue/scheduler" => "deadline",
 
  19         "queue/nr_requests" => "975",
 
  20         "queue/rq_affinity" => "2"
 
  24       :comment => "RAID array mounted on /store/arrays/fast",
 
  27       :serial => "3600605b005a0726019d062ae23b426fd",
 
  29         "queue/scheduler" => "deadline",
 
  30         "queue/nr_requests" => "975",
 
  31         "queue/rq_affinity" => "2"
 
  35       :comment => "First disk of RAID array mounted on /store/arrays/ssd",
 
  38       :serial => "INTEL_SSDSC2BA400G3_BTTV3141041E400HGN",
 
  40         "queue/scheduler" => "noop"
 
  44       :comment => "Second disk of RAID array mounted on /store/arrays/ssd",
 
  47       :serial => "INTEL_SSDSC2BA400G3_BTTV3141044Q400HGN",
 
  49         "queue/scheduler" => "noop"
 
  56         :interface => "bond0",
 
  59         :address => "10.0.32.40",
 
  61           :slaves => %w[eth0 eth1]
 
  69         :shared_buffers => "64GB",
 
  71         :maintenance_work_mem => "1GB",
 
  72         :effective_cache_size => "180GB"
 
  78       :comment => "Disable IPv6 auto-configuration on internal interface",
 
  80         "net.ipv6.conf.bond0.autoconf" => "0",
 
  81         "net.ipv6.conf.bond0.accept_ra" => "0"
 
  85       :comment => "Increase shared memory for postgres",
 
  87         "kernel.shmmax" => 66 * 1024 * 1024 * 1024,
 
  88         "kernel.shmall" => 66 * 1024 * 1024 * 1024 / 4096