diff --git a/pkg/controller/queuejob/queuejob_controller_ex.go b/pkg/controller/queuejob/queuejob_controller_ex.go
index cb4e0571..ae70b837 100644
--- a/pkg/controller/queuejob/queuejob_controller_ex.go
+++ b/pkg/controller/queuejob/queuejob_controller_ex.go
@@ -254,7 +254,7 @@ func NewJobController(restConfig *rest.Config, mcadConfig *config.MCADConfigurat
 			FilterFunc: func(obj interface{}) bool {
 				switch t := obj.(type) {
 				case *arbv1.AppWrapper:
-					klog.V(10).Infof("[Informer] Filter Name=%s Namespace=%s Version=%s Local=%t FilterIgnore=%t Sender=%s &qj=%p qj=%+v", t.Name, t.Namespace, t.ResourceVersion, t.Status.Local, t.Status.FilterIgnore, t.Status.Sender, t, t)
+					klog.V(10).Infof("[Informer] Filter Name=%s Namespace=%s Version=%s Local=%t FilterIgnore=%t Sender=%s ", t.Name, t.Namespace, t.ResourceVersion, t.Status.Local, t.Status.FilterIgnore, t.Status.Sender)
 					// todo: This is a current workaround for duplicate message bug.
 					// if t.Status.Local == true { // ignore duplicate message from cache
 					//	return false
@@ -440,15 +440,15 @@ func (qjm *XController) PreemptQueueJobs(inspectAw *arbv1.AppWrapper) {
 				return
 			}
 
-
-		if cleanAppWrapper {
-			klog.V(4).Infof("[PreemptQueueJobs] Deleting AppWrapper %s/%s due to maximum number of re-queueing(s) exceeded.", newjob.Namespace, newjob.Name)
-			go qjm.Cleanup(ctx, updateNewJob)
-		} else {
-			// Only back-off AWs that are in state running and not in state Failed
-			if updateNewJob.Status.State != arbv1.AppWrapperStateFailed {
-				klog.Infof("[PreemptQueueJobs] Adding preempted AppWrapper %s/%s to back off queue.", newjob.Namespace, newjob.Name)
-				qjm.backoff(ctx, updateNewJob, "PreemptionTriggered", string(message))
+			if cleanAppWrapper {
+				klog.V(4).Infof("[PreemptQueueJobs] Deleting AppWrapper %s/%s due to maximum number of re-queueing(s) exceeded.", newjob.Namespace, newjob.Name)
+				go qjm.Cleanup(ctx, updateNewJob)
+			} else {
+				// Only back-off AWs that are in state running and not in state Failed
+				if updateNewJob.Status.State != arbv1.AppWrapperStateFailed {
+					klog.Infof("[PreemptQueueJobs] Adding preempted AppWrapper %s/%s to back off queue.", newjob.Namespace, newjob.Name)
+					qjm.backoff(ctx, updateNewJob, "PreemptionTriggered", string(message))
+				}
 			}
 		}
 	}
@@ -1368,7 +1368,7 @@ func (cc *XController) updateStatusInEtcd(ctx context.Context, currentAppwrapper
 func (cc *XController) updateStatusInEtcdWithRetry(ctx context.Context, source *arbv1.AppWrapper, caller string) error {
 	klog.V(4).Infof("[updateStatusInEtcdWithMergeFunction] trying to update '%s/%s' version '%s' called by '%s'", source.Namespace, source.Name, source.ResourceVersion, caller)
 	source.Status.Sender = "before " + caller // set Sender string to indicate code location
-	updateStatusRetrierRetrier := retrier.New(retrier.ExponentialBackoff(10, 100*time.Millisecond), &EtcdErrorClassifier{})
+	updateStatusRetrierRetrier := retrier.New(retrier.ExponentialBackoff(1, 100*time.Millisecond), &EtcdErrorClassifier{})
 	updateStatusRetrierRetrier.SetJitter(0.05)
 	updatedAW := source.DeepCopy()
 	err := updateStatusRetrierRetrier.RunCtx(ctx, func(localContext context.Context) error {
@@ -1565,10 +1565,10 @@ func (cc *XController) addQueueJob(obj interface{}) {
 	firstTime := metav1.NowMicro()
 	qj, ok := obj.(*arbv1.AppWrapper)
 	if !ok {
-		klog.Errorf("[Informer-addQJ] object is not AppWrapper. object=%+v", obj)
+		klog.Errorf("[Informer-addQJ] object is not AppWrapper.")
 		return
 	}
-	klog.V(6).Infof("[Informer-addQJ] %s/%s &qj=%p  qj=%+v", qj.Namespace, qj.Name, qj, qj)
+	klog.V(6).Infof("[Informer-addQJ] %s/%s", qj.Namespace, qj.Name)
 	if qj.Status.QueueJobState == "" {
 		qj.Status.ControllerFirstTimestamp = firstTime
 		qj.Status.SystemPriority = float64(qj.Spec.Priority)
@@ -1603,7 +1603,7 @@ func (cc *XController) addQueueJob(obj interface{}) {
 	// updatequeuejobs now runs as a part of informer machinery. optimization here is to not use etcd to pullout submitted AWs and operate
 	// on stale AWs. This has potential to improve performance at scale.
 	if hasCompletionStatus {
-		requeueInterval := 5 * time.Second
+		requeueIntervalForCompletionStatus := 5 * time.Second
 		key, err := cache.MetaNamespaceKeyFunc(qj)
 		if err != nil {
 			klog.Warningf("[Informer-addQJ] Error getting AW %s/%s from cache cannot determine completion status", qj.Namespace, qj.Name)
@@ -1611,10 +1611,11 @@ func (cc *XController) addQueueJob(obj interface{}) {
 		}
 		go func() {
 			for {
-				time.Sleep(requeueInterval)
+				time.Sleep(requeueIntervalForCompletionStatus)
 				latestObj, exists, err := cc.appwrapperInformer.Informer().GetStore().GetByKey(key)
-				if err != nil && !exists {
-					klog.Warningf("[Informer-addQJ] Recent copy of AW %s/%s not found in cache", qj.Namespace, qj.Name)
+				if err != nil || !exists {
+					klog.Warningf("[Informer-addQJ] Recent copy of AW %s/%s not found in cache,stopping check for completion status", qj.Namespace, qj.Name)
+					break
 				} else {
 					var latestAw *arbv1.AppWrapper
 					if latestObj != nil {
@@ -1649,8 +1650,9 @@ func (cc *XController) addQueueJob(obj interface{}) {
 			for {
 				time.Sleep(requeueInterval)
 				latestObj, exists, err := cc.appwrapperInformer.Informer().GetStore().GetByKey(key)
-				if err != nil && !exists {
-					klog.Warningf("[Informer-addQJ] Recent copy of AW %s/%s not found in cache", qj.Namespace, qj.Name)
+				if err != nil || !exists {
+					klog.Warningf("[Informer-addQJ] Recent copy of AW %s/%s not found in cache, stopping check for minScheduling", qj.Namespace, qj.Name)
+					break
 				} else {
 					var latestAw *arbv1.AppWrapper
 					if latestObj != nil {
@@ -1758,9 +1760,9 @@ func (cc *XController) enqueue(obj interface{}) error {
 
 	err := cc.eventQueue.Add(qj) // add to FIFO queue if not in, update object & keep position if already in FIFO queue
 	if err != nil {
-		klog.Errorf("[enqueue] Fail to enqueue %s/%s to eventQueue, ignore.  *Delay=%.6f seconds &qj=%p Version=%s Status=%+v err=%#v", qj.Namespace, qj.Name, time.Now().Sub(qj.Status.ControllerFirstTimestamp.Time).Seconds(), qj, qj.ResourceVersion, qj.Status, err)
+		klog.Errorf("[enqueue] Fail to enqueue %s/%s to eventQueue, ignore.  *Delay=%.6f seconds Version=%s Status=%+v err=%#v", qj.Namespace, qj.Name, time.Now().Sub(qj.Status.ControllerFirstTimestamp.Time).Seconds(), qj.ResourceVersion, qj.Status, err)
 	} else {
-		klog.V(10).Infof("[enqueue] %s/%s *Delay=%.6f seconds eventQueue.Add_byEnqueue &qj=%p Version=%s Status=%+v", qj.Namespace, qj.Name, time.Now().Sub(qj.Status.ControllerFirstTimestamp.Time).Seconds(), qj, qj.ResourceVersion, qj.Status)
+		klog.V(10).Infof("[enqueue] %s/%s *Delay=%.6f seconds eventQueue.Add_byEnqueue Version=%s Status=%+v", qj.Namespace, qj.Name, time.Now().Sub(qj.Status.ControllerFirstTimestamp.Time).Seconds(), qj.ResourceVersion, qj.Status)
 	}
 	return err
 }