fix config file examples, houskeeping, etc
diff --git a/configs-examples/db_raw.yaml b/configs-examples/db_raw.yaml
index 10104be..9d74c17 100644
--- a/configs-examples/db_raw.yaml
+++ b/configs-examples/db_raw.yaml
@@ -1,5 +1,7 @@
+include: default.yaml
+
 explicit_nodes:
-    "ssh://root@192.168.59.104::/home/yportnova/.ssh/id_rsa": testnode
+    "ssh://root@${NODE_IP}::${KEY_NAME}": testnode
 
 tests:
     - pgbench:
@@ -7,9 +9,3 @@
         transactions_per_client: 2
     - mysql:
         warehouses: 20
-
-internal:
-    var_dir_root: /tmp/perf_tests
-
-logging:
-    extra_logs: 1