orm: add readahead tuning

[chef.git] / roles / orm.rb

diff --git a/roles/orm.rb b/roles/orm.rb
index 66a7e6dbafa1bc8ac2e1d8b90ec65b64aed00c3c..9f2694fe63901a547170b8c33d53d1818ad4dd57 100644 (file)
--- a/roles/orm.rb
+++ b/roles/orm.rb
@@ -2,6 +2,30 @@ name "orm"
 description "Master role applied to orm"
 
 default_attributes(
+  :devices => {
+    :ssd_samsung => {
+      :comment => "Tune scheduler for SSD",
+      :type => "block",
+      :bus => "ata",
+      :serial => "Samsung_SSD_840_PRO_Series_*",
+      :attrs => {
+        "queue/scheduler" => "noop",
+        "queue/nr_requests" => "256",
+        "queue/read_ahead_kb" => "2048"
+      }
+    },
+    :arecavoltune => {
+      :comment => "Tune scheduler for Areca",
+      :type => "block",
+      :bus => "scsi",
+      :serial => "2001b4d20*",
+      :attrs => {
+        "queue/scheduler" => "deadline",
+        "queue/nr_requests" => "512",
+        "queue/read_ahead_kb" => "2048"
+      }
+    }
+  },
   :munin => {
     :plugins => {
       :ipmi_fans => {
@@ -61,8 +85,15 @@ default_attributes(
     }
   },
   :tile => {
-    :tile_directory => "/store/tiles",
-    :node_file => "/store/database/nodes"
+    :node_file => "/store/database/nodes",
+    :styles => {
+      :default => {
+        :tile_directories => [
+          { :name => "/store/tiles/default-low", :min_zoom => 0, :max_zoom => 17 },
+          { :name => "/store/tiles/default-high", :min_zoom => 18, :max_zoom => 19 }
+        ]
+      }
+    }
   }
 )