diff --git a/rhodecode/config/environment.py b/rhodecode/config/environment.py
--- a/rhodecode/config/environment.py
+++ b/rhodecode/config/environment.py
@@ -20,6 +20,7 @@ from rhodecode.lib.auth import set_avail
 from rhodecode.lib.utils import repo2db_mapper, make_ui, set_rhodecode_config,\
     load_rcextensions, check_git_version
 from rhodecode.lib.utils2 import engine_from_config, str2bool
+from rhodecode.lib.db_manage import DbManage
 from rhodecode.model import init_model
 from rhodecode.model.scm import ScmModel
 
@@ -88,7 +89,7 @@ def load_environment(global_conf, app_co
 
     #check git version
     check_git_version()
-
+    DbManage.check_waitress()
     # MULTIPLE DB configs
     # Setup the SQLAlchemy database engine
     sa_engine_db1 = engine_from_config(config, 'sqlalchemy.db1.')
@@ -100,6 +101,12 @@ def load_environment(global_conf, app_co
     set_available_permissions(config)
     config['base_path'] = repos_path
     set_rhodecode_config(config)
+
+    instance_id = rhodecode.CONFIG.get('instance_id')
+    if instance_id == '*':
+        instance_id = '%s-%s' % (os.uname()[1], os.getpid())
+        rhodecode.CONFIG['instance_id'] = instance_id
+
     # CONFIGURATION OPTIONS HERE (note: all config options will override
     # any Pylons config options)