diff --git a/index/storage_cass.go b/index/storage_cass.go
index 9ceeb6c7b..514510e0b 100644
--- a/index/storage_cass.go
+++ b/index/storage_cass.go
@@ -55,8 +55,8 @@ func NewCassStorage() Storage {
 	obj.batch = nil
 	obj.batch_time = time.Now()
 	obj.batch_counter = 0
-	obj.cass_time_window_secs = float64(config.GetIntDefault("cassandra_time_window_secs", 15))
-	obj.cass_flush_size = config.GetIntDefault("cassandra_max_size_batch", 300)
+	obj.cass_time_window_secs = float64(config.GetIntDefault("cassandra_time_window_secs", 5))
+	obj.cass_flush_size = config.GetIntDefault("cassandra_max_size_batch", 30)
 	return obj
 }