	private function _createdby( $option ) {
		$this->addTable( 'revision', 'creation_rev' );
		$this->addTable( 'revision_actor_temp', 'creation_rev_actor' );
		$this->_adduser( null, 'creation_rev_actor' );
		$user = new \User;

		$this->addWhere(
			[
				$this->DB->addQuotes( $user->newFromName( $option )->getActorId() ) . ' = creation_rev_actor.revactor_actor',
				'creation_rev_actor.revactor_page = page_id',
				'creation_rev.rev_parent_id = 0'
			]
		);
	}
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.