* list's ordering. It is drained as a batch operation when either the DRAIN_THRESHOLD is
     * crossed or a write occurs on the segment.
     */
    final Queue<ReferenceEntry<K, V>> recencyQueue;

    /**
     * A counter of the number of reads since the last write, used to drain queues on a small
     * fraction of read operations.
     */

     * list's ordering. It is drained as a batch operation when either the DRAIN_THRESHOLD is
     * crossed or a write occurs on the segment.
     */
    final Queue<ReferenceEntry<K, V>> recencyQueue;

    /**
     * A counter of the number of reads since the last write, used to drain queues on a small
     * fraction of read operations.
     */

  - [beta] PodDisruptionBudget has been promoted to beta, can be used to safely drain nodes while respecting application SLO's ([docs](http://kubernetes.io/docs/tasks/administer-cluster/safely-drain-node/)) ([kubernetes/features#85](https://github.com/kubernetes/enhancements/issues/85))
- **UI**

	client := &http.Client{
		Transport: globalRemoteTargetTransport,
		Timeout:   10 * time.Second,
	}

	resp, err := client.Do(req)
	if err != nil {
		return err
	}
	if err == nil {
		// Drain the connection.
		xhttp.DrainBody(resp.Body)
	}
	if resp != nil {
		amzid := resp.Header.Get(xhttp.AmzRequestHostID)
		if _, ok := globalNodeNamesHex[amzid]; ok {
			return BucketRemoteIdenticalToSource{