@Override
  public int entrySize(Object key, Object value) {
    // value is null only after eviction occurs. A change in size is
    // required for eviction stats, bug 30974

    if (value == Token.TOMBSTONE) {
      return 0;
    }

    int size = getPerEntryOverhead();
    size += sizeof(key);
    size += sizeof(value);
    return size;
  }
Returns a brief description of this eviction controller.

@since GemFire 4.0
geode-core/src/main/java/org/apache/geode/internal/cache/eviction/HeapLRUController.java