diff --git a/ompi/mca/btl/mvapi/btl_mvapi_component.c b/ompi/mca/btl/mvapi/btl_mvapi_component.c
index a93d6f4097..03ddc42d8e 100644
--- a/ompi/mca/btl/mvapi/btl_mvapi_component.c
+++ b/ompi/mca/btl/mvapi/btl_mvapi_component.c
@@ -134,7 +134,7 @@ int mca_btl_mvapi_component_open(void)
 
     mca_btl_mvapi_component.ib_cq_size = 
         mca_btl_mvapi_param_register_int("ib_cq_size", 
-                                      40000); 
+                                      10000); 
     mca_btl_mvapi_component.ib_wq_size = 
         mca_btl_mvapi_param_register_int("ib_wq_size", 
                                       10000); 
diff --git a/ompi/mca/btl/self/btl_self_component.c b/ompi/mca/btl/self/btl_self_component.c
index cc8c850dd0..e28cbc2c1f 100644
--- a/ompi/mca/btl/self/btl_self_component.c
+++ b/ompi/mca/btl/self/btl_self_component.c
@@ -103,7 +103,7 @@ int mca_btl_self_component_open(void)
 {
     /* register SELF component parameters */
     mca_btl_self_component.free_list_num =
-        mca_btl_self_param_register_int("free_list_num", 256);
+        mca_btl_self_param_register_int("free_list_num", 0);
     mca_btl_self_component.free_list_max =
         mca_btl_self_param_register_int("free_list_max", -1);
     mca_btl_self_component.free_list_inc =
diff --git a/ompi/mca/pml/ob1/pml_ob1_component.c b/ompi/mca/pml/ob1/pml_ob1_component.c
index b2981528a0..83d0439fb1 100644
--- a/ompi/mca/pml/ob1/pml_ob1_component.c
+++ b/ompi/mca/pml/ob1/pml_ob1_component.c
@@ -81,7 +81,7 @@ int mca_pml_ob1_component_open(void)
     int param, value; 
 
     mca_pml_ob1.free_list_num =
-        mca_pml_ob1_param_register_int("free_list_num", 256);
+        mca_pml_ob1_param_register_int("free_list_num", 8);
     mca_pml_ob1.free_list_max =
         mca_pml_ob1_param_register_int("free_list_max", -1);
     mca_pml_ob1.free_list_inc =