diff -rupN module.orig/Queue/src/Queue/Controller/IndexController.php module/Queue/src/Queue/Controller/IndexController.php
--- module.orig/Queue/src/Queue/Controller/IndexController.php	2016-07-11 10:17:12.000000000 +0000
+++ module/Queue/src/Queue/Controller/IndexController.php	2016-01-22 15:11:30.000000000 +0000
@@ -144,7 +144,7 @@ class IndexController extends AbstractAc
                 // if we can't get a task, take a nap and spin again.
                 $task = $manager->grabTask();
                 if (!$task) {
-                    $logger->debug("Worker $slot idle. No tasks in queue.");
+                    //$logger->debug("Worker $slot idle. No tasks in queue.");
                     if ($retire) {
                         break;
                     } else {