X-Git-Url: https://git.openstreetmap.org./chef.git/blobdiff_plain/8e3e7264d0bba3adc61ca88c33d636b0a7605da7..9d6b27c56ecc79ef97c209cb865e506dddcf9907:/roles/jakelong.rb

diff --git a/roles/jakelong.rb b/roles/jakelong.rb
index 5338778e0..640bd0dd8 100644
--- a/roles/jakelong.rb
+++ b/roles/jakelong.rb
@@ -23,14 +23,23 @@ default_attributes(
     }
   },
   :squid => {
-    :cache_mem => "650 MB",
-    :cache_dir => "coss /store/squid/coss-01 15000 block-size=8192 max-size=262144 membufs=30"
+    :cache_mem => "700 MB",
+    :cache_dir => "coss /store/squid/coss-01 10000 block-size=8192 max-size=262144 membufs=30"
+  },
+  :sysctl => {
+    :kvm => {
+      :comment => "Tuning for KVM guest",
+      :parameters => { 
+        "kernel.sched_min_granularity_ns" => 10000000,
+        "kernel.sched_wakeup_granularity_ns" => 15000000
+      }
+    }
   },
   :sysfs => {
     :hdd_tune => {
       :comment => "Tune the queue for improved performance",
       :parameters => {
-        "block/xvda/queue/nr_requests" => "64",
+        "block/xvda/queue/nr_requests" => "128",
         "block/xvda/queue/scheduler" => "deadline"
       }
     }