diff --git a/fastlib/trunk/contrib/dongryel/thesis_research/mlpack/distributed_kde/distributed_kde_dev.h b/fastlib/trunk/contrib/dongryel/thesis_research/mlpack/distributed_kde/distributed_kde_dev.h
index 57a13e11c1..956ebb1026 100644
--- a/fastlib/trunk/contrib/dongryel/thesis_research/mlpack/distributed_kde/distributed_kde_dev.h
+++ b/fastlib/trunk/contrib/dongryel/thesis_research/mlpack/distributed_kde/distributed_kde_dev.h
@@ -177,11 +177,11 @@ bool DistributedKde<DistributedTableType>::ConstructBoostVariableMap_(
     "The size of the memory mapped file."
   )(
     "max_num_levels_to_serialize_in",
-    boost::program_options::value<int>()->default_value(20),
+    boost::program_options::value<int>()->default_value(15),
     "The number of levels of subtrees to serialize at a given moment."
   )(
     "max_num_work_to_dequeue_per_stage_in",
-    boost::program_options::value<int>()->default_value(1),
+    boost::program_options::value<int>()->default_value(5),
     "The number of work items to dequeue per process."
   );