Pimcore\Cache\Tool\Warming::loadToCache PHP Method

    protected static function loadToCache(AbstractListing $list)
    {
        $totalCount = $list->getTotalCount();
        $iterations = ceil($totalCount / self::getPerIteration());
        Logger::info("New list of elements queued for storing into the cache with " . $iterations . " iterations and " . $totalCount . " total items");
        for ($i = 0; $i < $iterations; $i++) {
            Logger::info("Starting iteration " . $i . " with offset: " . self::getPerIteration() * $i);
            $list->setLimit(self::getPerIteration());
            $list->setOffset(self::getPerIteration() * $i);
            $elements = $list->load();
            foreach ($elements as $element) {
                self::loadElementToCache($element);
            }
            \Pimcore::collectGarbage();
            sleep(self::getTimoutBetweenIteration());
        }
    }