Reduce memory cache limit on trogdor

[chef.git] / roles / trogdor.rb

diff --git a/roles/trogdor.rb b/roles/trogdor.rb
index e2048af6c7800ed3db351af8b42a682f82a2f80f..c4c5119a684be34d10e2a611519d363d85962699 100644 (file)
--- a/roles/trogdor.rb
+++ b/roles/trogdor.rb
@@ -2,6 +2,9 @@ name "trogdor"
 description "Master role applied to trogdor"
 
 default_attributes(
+  :hardware => {
+    :shm_size => "12g"
+  },
   :networking => {
     :interfaces => {
       :external_ipv4 => {
@@ -14,12 +17,36 @@ default_attributes(
       }
     }
   },
+  :sysfs => {
+    :md_tune => {
+      :comment => "Tune the md sync performance so as not to kill system performance",
+      :parameters => {
+        "block/md0/md/sync_speed_min" => "1",
+        "block/md0/md/sync_speed_max" => "100000",
+        "block/md1/md/sync_speed_min" => "1",
+        "block/md1/md/sync_speed_max" => "100000"
+      }
+    }
+  },
   :squid => {
-    :cache_mem => "6400 MB",
-    :cache_dir => "coss /store/squid/coss-01 128000 block-size=8192 max-size=262144 membufs=80"
+    :version => 4,
+    :cache_mem => "10240 MB",
+    :cache_dir => [
+      "rock /store/squid/rock-4096 20000 swap-timeout=200 slot-size=4096 max-size=3996",
+      "rock /store/squid/rock-8192 25000 swap-timeout=200 slot-size=8192 min-size=3997 max-size=8092",
+      "rock /store/squid/rock-16384 35000 swap-timeout=200 slot-size=16384 min-size=8093 max-size=16284",
+      "rock /store/squid/rock-32768 45000 swap-timeout=200 slot-size=32768 min-size=16285 max-size=262144"
+    ]
   },
   :tilecache => {
-    :tile_parent => "amsterdam.render.openstreetmap.org"
+    :tile_parent => "amsterdam.render.openstreetmap.org",
+    :tile_siblings => [
+      "katie.openstreetmap.org",
+      "konqi.openstreetmap.org",
+      "ridgeback.openstreetmap.org",
+      "gorynych.openstreetmap.org",
+      "simurgh.openstreetmap.org"
+    ]
   }
 )