diff --git a/linux/HardDiskCaching.sls b/linux/HardDiskCaching.sls
index 61fbea8..897acf1 100644
--- a/linux/HardDiskCaching.sls
+++ b/linux/HardDiskCaching.sls
@@ -3,13 +3,13 @@
   {% if grains['virtual'] == 'kvm' or grains['virtual'] == 'qemu' %}
   vm.dirty_background_ratio:
     sysctl.present:
-      - value: 10
+      - value: 30
   vm.dirty_background_bytes:
     sysctl.present:
       - value: 10
   vm.dirty_ratio:
     sysctl.present:
-      - value: 20
+      - value: 60
   vm.dirty_bytes:
     sysctl.present:
       - value: 0