* hashmaps. Using a static ThreadLocal to avoid that overhead would mean that different
   * ExecutionSequencer objects interfere with each other, which would be undesirable, in addition
   * to increasing the memory footprint of every thread that interacted with it. In order to release
   * entries in thread-specific maps when the ThreadLocal object itself is no longer referenced,

   * hashmaps. Using a static ThreadLocal to avoid that overhead would mean that different
   * ExecutionSequencer objects interfere with each other, which would be undesirable, in addition
   * to increasing the memory footprint of every thread that interacted with it. In order to release
   * entries in thread-specific maps when the ThreadLocal object itself is no longer referenced,

   * E} is an {@link Enum} type, use {@link EnumSet#noneOf} instead. Otherwise, strongly consider
   * using a {@code LinkedHashSet} instead, at the cost of increased memory footprint, to get
   * deterministic iteration behavior.
   *
   * <p><b>Note:</b> this method is now unnecessary and should be treated as deprecated. Instead,
   * use the {@code HashSet} constructor directly, taking advantage of <a

* run kube-addon-manager in a static pod ([#23600](https://github.com/kubernetes/kubernetes/pull/23600), [@mikedanese](https://github.com/mikedanese))
* Reimplement 'pause' in C - smaller footprint all around ([#23009](https://github.com/kubernetes/kubernetes/pull/23009), [@uluyol](https://github.com/uluyol))

* Do not delete pod objects until all its compute resource footprint has been
  reclaimed.
  - This feature prevents the node and scheduler from oversubscribing resources
    that are still being used by a pod in the process of being cleaned up.
  - This feature can result in increase of Pod Deletion latency especially if the
    pod has a large filesystem footprint.

### RBAC

### Other (Cleanup or Flake)

- Handle slow CronJob lister in CronJob controller v2 and improve memory footprint. ([#96443](https://github.com/kubernetes/kubernetes/pull/96443), [@alaypatel07](https://github.com/alaypatel07)) [SIG Apps]