MAGETWO-92131: Slow Catalog Search Indexer [Performance]

Author: zakdma

app/code/Magento/CatalogSearch/Model/Indexer/Fulltext/Action/DataProvider.php

@@ -221,7 +221,7 @@ private function getSelectForSearchableProducts(
         $lastProductId,
         $batch
     ) {
-        $websiteId = $this->storeManager->getStore($storeId)->getWebsiteId();
+        $websiteId = (int)$this->storeManager->getStore($storeId)->getWebsiteId();
         $lastProductId = (int) $lastProductId;
 
         $select = $this->connection->select()