Merge pull request #32070 from gmarek/nodecontroller

Automatic merge from submit-queue

Sleep between NodeStatus update retries

Just a thing I found when looking into other problems.

This is pretty much no-risk change fixing wrong behavior. Do you think it should go in 1.4? @pwittrock

pkg/controller/node/nodecontroller.go

@@ -73,6 +73,8 @@ const (
 	evictionRateLimiterBurst = 1
 	// The amount of time the nodecontroller polls on the list nodes endpoint.
 	apiserverStartupGracePeriod = 10 * time.Minute
+	// The amount of time the nodecontroller should sleep between retrying NodeStatus updates
+	retrySleepTime = 20 * time.Millisecond
 )
 
 type zoneState string
@@ -538,6 +540,7 @@ func (nc *NodeController) monitorNodeStatus() error {
 				glog.Errorf("Failed while getting a Node to retry updating NodeStatus. Probably Node %s was deleted.", name)
 				break
 			}
+			time.Sleep(retrySleepTime)
 		}
 		if err != nil {
 			glog.Errorf("Update status  of Node %v from NodeController exceeds retry count."+