diff --git a/weed/mq/client/sub_client/connect_to_sub_coordinator.go b/weed/mq/client/sub_client/connect_to_sub_coordinator.go
index 3953090f2..fa58fbdff 100644
--- a/weed/mq/client/sub_client/connect_to_sub_coordinator.go
+++ b/weed/mq/client/sub_client/connect_to_sub_coordinator.go
@@ -12,6 +12,7 @@ import (
 )
 
 func (sub *TopicSubscriber) doKeepConnectedToSubCoordinator() {
+	waitTime := 1 * time.Second
 	for {
 		for _, broker := range sub.bootstrapBrokers {
 			// TODO find the balancer
@@ -25,6 +26,7 @@ func (sub *TopicSubscriber) doKeepConnectedToSubCoordinator() {
 					glog.V(1).Infof("subscriber %s/%s: %v", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, err)
 					return err
 				}
+				waitTime = 1 * time.Second
 
 				// Maybe later: subscribe to multiple topics instead of just one
 
@@ -61,8 +63,11 @@ func (sub *TopicSubscriber) doKeepConnectedToSubCoordinator() {
 				return nil
 			})
 		}
-		print("z")
-		time.Sleep(3 * time.Second)
+		glog.V(4).Infof("subscriber %s/%s/%s waiting for more assignments", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, sub.SubscriberConfig.ConsumerGroup)
+		if waitTime < 10*time.Second {
+			waitTime += 1 * time.Second
+		}
+		time.Sleep(waitTime)
 	}
 }
 
@@ -80,7 +85,7 @@ func (sub *TopicSubscriber) onEachAssignment(assignment *mq_pb.SubscriberToSubCo
 		go func(partition *mq_pb.Partition, broker string) {
 			defer wg.Done()
 			defer func() { <-semaphore }()
-			glog.V(0).Infof("subscriber %s/%s/%s assigned partition %+v at %v", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, sub.SubscriberConfig.ConsumerGroup, partition, broker)
+			glog.V(1).Infof("subscriber %s/%s/%s assigned partition %+v at %v", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, sub.SubscriberConfig.ConsumerGroup, partition, broker)
 			sub.onEachPartition(partition, broker)
 		}(assigned.Partition, assigned.Broker)
 	}
@@ -117,7 +122,7 @@ func (sub *TopicSubscriber) onEachPartition(partition *mq_pb.Partition, broker s
 			return fmt.Errorf("create subscribe client: %v", err)
 		}
 
-		fmt.Printf("subscriber %s/%s/%s connected to partition %+v at %v\n", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, sub.SubscriberConfig.ConsumerGroup, partition, broker)
+		glog.V(1).Infof("subscriber %s/%s/%s connected to partition %+v at %v", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, sub.SubscriberConfig.ConsumerGroup, partition, broker)
 
 		if sub.OnCompletionFunc != nil {
 			defer sub.OnCompletionFunc()
@@ -134,7 +139,7 @@ func (sub *TopicSubscriber) onEachPartition(partition *mq_pb.Partition, broker s
 		}()
 
 		for {
-			fmt.Printf("subscriber %s/%s/%s waiting for message\n", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, sub.SubscriberConfig.ConsumerGroup)
+			glog.V(3).Infof("subscriber %s/%s/%s waiting for message", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, sub.SubscriberConfig.ConsumerGroup)
 			resp, err := subscribeClient.Recv()
 			if err != nil {
 				return fmt.Errorf("subscribe error: %v", err)