continue
						}
						// ServiceUnavailble error is returned when the API server is blocked by storage version updates
						if apierrors.IsServiceUnavailable(err) {
							klog.Infof("going to retry, unable to create PriorityClass %s: %v", pc.Name, err)
							return false, nil
						}
						return false, err
					} else {

	return GetPodStartTime(pod1).Before(GetPodStartTime(pod2))
}

// Retriable defines the retriable errors during a scheduling cycle.
func Retriable(err error) bool {
	return apierrors.IsInternalError(err) || apierrors.IsServiceUnavailable(err) ||
		net.IsConnectionRefused(err)
}

// PatchPodStatus calculates the delta bytes change from <old.Status> to <newStatus>,
// and then submit a request to API server to patch the pod changes.

	if _, ok := knownReasons[reason]; !ok && code == http.StatusMethodNotAllowed {
		return true
	}
	return false
}

// IsServiceUnavailable is true if the error indicates the underlying service is no longer available.
// It supports wrapped errors and returns false when the error is nil.
func IsServiceUnavailable(err error) bool {
	reason, code := reasonAndCodeForError(err)
	if reason == metav1.StatusReasonServiceUnavailable {
		return true

	ClusterRoleBindingsToSplit map[string]rbacapiv1.ClusterRoleBinding
}

func isConflictOrServiceUnavailable(err error) bool {
	return apierrors.IsConflict(err) || apierrors.IsServiceUnavailable(err)
}

func retryOnConflictOrServiceUnavailable(backoff wait.Backoff, fn func() error) error {
	return retry.OnError(backoff, isConflictOrServiceUnavailable, fn)
}

			*lastError = errors.Wrapf(err, "error patching Node %q", n.Name)
			if apierrors.IsTimeout(err) || apierrors.IsConflict(err) || apierrors.IsServerTimeout(err) || apierrors.IsServiceUnavailable(err) {
				return false, nil
			}
			return false, *lastError
		}

		return true, nil
	}
}

// PatchNode tries to patch a node using patchFn for the actual mutating logic.