Re-enable the task manager, it made no difference

airtime_mvc/application/Bootstrap.php

@@ -134,9 +134,8 @@ class Bootstrap extends Zend_Application_Bootstrap_Bootstrap
         if (getenv("AIRTIME_UNIT_TEST") != 1) {
             $taskManager = TaskManager::getInstance();
             $taskManager->runTask(AirtimeTask::UPGRADE);  // Run the upgrade on each request (if it needs to be run)
-            //XXX: Testing if this is causing lock contention
             //This will do the upgrade too if it's needed...
-            //$taskManager->runTasks();
+            $taskManager->runTasks();
         }
     }