From: Grant Slater <git@firefishy.com>
Date: Thu, 5 Dec 2013 10:36:33 +0000 (+0000)
Subject: poldi: tweak md sync (check) performance to lower impact on machine
X-Git-Url: https://git.openstreetmap.org/chef.git/commitdiff_plain/fb2e24074f3c4748f319312a2c1fe729e47e6155

poldi: tweak md sync (check) performance to lower impact on machine
---

diff --git a/roles/poldi.rb b/roles/poldi.rb
index 5f73b6239..6a92cfc90 100644
--- a/roles/poldi.rb
+++ b/roles/poldi.rb
@@ -31,6 +31,15 @@ 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" => "100",
+        "block/md0/md/sync_speed_max" => "100000"
+      }
+    }
+  },
   :networking => {
     :interfaces => {
       :internal_ipv4 => {