diff --git a/settings.sample.json b/settings.sample.json
index 42d6432..9eb00d6 100755
--- a/settings.sample.json
+++ b/settings.sample.json
@@ -13,5 +13,9 @@
   "web_settings": { //delete this block to disable webui
     "ui_hostname": "127.0.0.1", // "127.0.0.1" is the default and binds to localhost only
     "ui_port": 8080
+  },
+  "experimential": {
+    "max_buffer_size_for_cache_hit": 0 // Size is n * 8kiB. ~8Kib is the JDK default.
+    // May improve diskIO at the cost of memory pressue. Testing needed
   }
 }