private void setNewValueBucketSize(InternalRegion lr, Object v) {
    if (lr == null) {
      lr = getRegion();
    }
    newValueBucketSize = lr.calculateValueSize(v);
  }
The size the new value contributes to a pr bucket. Note if this event is not on a pr then this
value will be 0.
geode-core/src/main/java/org/apache/geode/internal/cache/EntryEventImpl.java