int cost = numEntries * MemoryBudget.CHECKPOINT_REFERENCE_SIZE;
mb.updateAdminMemoryUsage(cost);
}
void removeCostFromMemoryBudget() {
MemoryBudget mb = envImpl.getMemoryBudget();
int cost = numEntries * MemoryBudget.CHECKPOINT_REFERENCE_SIZE;
mb.updateAdminMemoryUsage(0 - cost);
}