diff --git a/neat.conf b/neat.conf
index ff4c0b9..38ed008 100644
--- a/neat.conf
+++ b/neat.conf
@@ -73,7 +73,7 @@ data_collector_interval = 10
 # The number of the latest data values stored locally by the data
 # collector and passed to the underload / overload detection and VM
 # placement algorithms
-data_collector_data_length = 100
+data_collector_data_length = 30
 
 # The threshold on the overall (all cores) utilization of the physical
 # CPU of a host, above which the host is considered to be overloaded.