diff --git a/scripts/pegasus_rolling_update.sh b/scripts/pegasus_rolling_update.sh
index 24b365f31f31bfc32addc38d6503c780bb9cb335..2ca46bb92bae467d6ddeac178c803d549e15e5f7 100755
--- a/scripts/pegasus_rolling_update.sh
+++ b/scripts/pegasus_rolling_update.sh
@@ -124,58 +124,70 @@ do
     echo "ERROR: set lb.add_secondary_max_count_for_one_node to 0 failed"
     exit 1
   fi
+  echo
 
   echo "Migrating primary replicas out of node..."
-  ./run.sh migrate_node -c $meta_list -n $node -t run &>/tmp/$UID.$PID.pegasus.rolling_update.migrate_node
-  echo "Wait [$node] to migrate done..."
-  echo "Refer to /tmp/$UID.$PID.pegasus.rolling_update.migrate_node for details"
+  sleeped=0
   while true
   do
+    if [ $((sleeped%10)) -eq 0 ]; then
+      ./run.sh migrate_node -c $meta_list -n $node -t run &>/tmp/$UID.$PID.pegasus.rolling_update.migrate_node
+      echo "Send migrate propose, refer to /tmp/$UID.$PID.pegasus.rolling_update.migrate_node for details"
+    fi
     pri_count=`echo 'nodes -d' | ./run.sh shell --cluster $meta_list | grep $node | awk '{print $4}'`
     if [ $pri_count -eq 0 ]; then
       echo "Migrate done."
       break
+    elif [ $sleeped -gt 28 ]; then
+      echo "Downgrade timeout."
+      break
     else
       echo "Still $pri_count primary replicas left on $node"
       sleep 1
+      sleeped=$((sleeped+1))
     fi
   done
   echo
   sleep 1
 
   echo "Downgrading replicas on node..."
-  ./run.sh downgrade_node -c $meta_list -n $node -t run &>/tmp/$UID.$PID.pegasus.rolling_update.downgrade_node
-  echo "Wait [$node] to downgrade done..."
-  echo "Refer to /tmp/$UID.$PID.pegasus.rolling_update.downgrade_node for details"
+  sleeped=0
   while true
   do
+    if [ $((sleeped%10)) -eq 0 ]; then
+      ./run.sh downgrade_node -c $meta_list -n $node -t run &>/tmp/$UID.$PID.pegasus.rolling_update.downgrade_node
+      echo "Send downgrade propose, refer to /tmp/$UID.$PID.pegasus.rolling_update.downgrade_node for details"
+    fi
     rep_count=`echo 'nodes -d' | ./run.sh shell --cluster $meta_list | grep $node | awk '{print $3}'`
     if [ $rep_count -eq 0 ]; then
       echo "Downgrade done."
       break
+    elif [ $sleeped -gt 28 ]; then
+      echo "Downgrade timeout."
+      break
     else
       echo "Still $rep_count replicas left on $node"
       sleep 1
+      sleeped=$((sleeped+1))
     fi
   done
   echo
   sleep 1
 
-  echo "Send kill_partition commands to node..."
-  grep '^propose ' /tmp/$UID.$PID.pegasus.rolling_update.downgrade_node >/tmp/$UID.$PID.pegasus.rolling_update.downgrade_node.propose
-  while read line2 
-  do
-    gpid=`echo $line2 | awk '{print $3}' | sed 's/\./ /'`
-    echo "remote_command -l $node replica.kill_partition $gpid" | ./run.sh shell --cluster $meta_list &>/tmp/$UID.$PID.pegasus.rolling_update.kill_partition
-  done </tmp/$UID.$PID.pegasus.rolling_update.downgrade_node.propose
-  echo "Sent to `cat /tmp/$UID.$PID.pegasus.rolling_update.downgrade_node.propose | wc -l` partitions."
-  echo
-  sleep 1
-
   echo "Checking replicas closed on node..."
   sleeped=0
   while true
   do
+    if [ $((sleeped%10)) -eq 0 ]; then
+      echo "Send kill_partition commands to node..."
+      grep '^propose ' /tmp/$UID.$PID.pegasus.rolling_update.downgrade_node >/tmp/$UID.$PID.pegasus.rolling_update.downgrade_node.propose
+      while read line2
+      do
+        gpid=`echo $line2 | awk '{print $3}' | sed 's/\./ /'`
+        echo "remote_command -l $node replica.kill_partition $gpid" | ./run.sh shell --cluster $meta_list &>/tmp/$UID.$PID.pegasus.rolling_update.kill_partition
+      done </tmp/$UID.$PID.pegasus.rolling_update.downgrade_node.propose
+      echo "Sent to `cat /tmp/$UID.$PID.pegasus.rolling_update.downgrade_node.propose | wc -l` partitions."
+    fi
     echo "remote_command -l $node perf-counters '.*replica(Count)'" | ./run.sh shell --cluster $meta_list &>/tmp/$UID.$PID.pegasus.rolling_update.replica_count_perf_counters
     serving_count=`grep -o 'replica_stub.replica(Count)","type":"NUMBER","value":[0-9]*' /tmp/$UID.$PID.pegasus.rolling_update.replica_count_perf_counters | grep -o '[0-9]*$'`
     opening_count=`grep -o 'replica_stub.opening.replica(Count)","type":"NUMBER","value":[0-9]*' /tmp/$UID.$PID.pegasus.rolling_update.replica_count_perf_counters | grep -o '[0-9]*$'`
@@ -188,7 +200,7 @@ do
     if [ $rep_count -eq 0 ]; then
       echo "Close done."
       break
-    elif [ $sleeped -gt 20 ]; then
+    elif [ $sleeped -gt 28 ]; then
       echo "Close timeout."
       break
     else
diff --git a/src/shell/commands.h b/src/shell/commands.h
index 2de5de617a95249255461dc9179dfe266c7a2df9..ef3f2afe5d6e2b189b55283527a7c3a4d233b2c6 100644
--- a/src/shell/commands.h
+++ b/src/shell/commands.h
@@ -3654,10 +3654,9 @@ inline bool app_stat(command_executor *e, shell_context *sc, arguments args)
         << std::setw(w) << std::right << "INCR" << std::setw(w) << std::right << "CAS"
         << std::setw(w) << std::right << "CAM" << std::setw(w) << std::right << "SCAN";
     if (!only_qps) {
-        out << std::setw(w) << std::right << "storage_mb" << std::setw(w) << std::right
-            << "file_count" << std::setw(w) << std::right << "expired" << std::setw(w) << std::right
-            << "filtered" << std::setw(w) << std::right << "abnormal" << std::setw(w) << std::right
-            << "file_mb" << std::setw(w) << std::right << "file_num";
+        out << std::setw(w) << std::right << "expired" << std::setw(w) << std::right << "filtered"
+            << std::setw(w) << std::right << "abnormal" << std::setw(w) << std::right << "file_mb"
+            << std::setw(w) << std::right << "file_num";
     }
     out << std::endl;
     rows.resize(rows.size() + 1);