diff --git a/configs-examples/default.yaml b/configs-examples/default.yaml
index 843a672..4ded43f 100644
--- a/configs-examples/default.yaml
+++ b/configs-examples/default.yaml
@@ -33,6 +33,7 @@
 var_dir_root: /tmp/perf_tests
 settings_dir: ~/.wally
 connect_timeout: 30
+max_time_diff_ms: 5000
 rpc_log_level: DEBUG
 include: logging.yaml
 default_test_local_folder: "/tmp/wally_{name}_{uuid}"
diff --git a/configs-examples/perf_lab.yml b/configs-examples/perf_lab.yml
index eae4c5b..a9060fc 100644
--- a/configs-examples/perf_lab.yml
+++ b/configs-examples/perf_lab.yml
@@ -11,7 +11,7 @@
     root@cz7626: testnode
     root@cz7627: testnode
 
-# sleep: 5
+sleep: 30
 
 tests:
   - fio: