Index: xmlsitemap.module
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- xmlsitemap.module	(revision 1faf49be5d5c29239d0977ec81a714bd44f162b0)
+++ xmlsitemap.module	(revision 0fc4fa7f0eb4199c4a689b47ac7e3908d757a25a)
@@ -1560,7 +1560,7 @@
       xmlsitemap_xmlsitemap_process_entity_links($entity_type_id, $ids);
     }
     catch (QueryException $e) {
-
+      // nop
     }
   }
 }
@@ -1568,18 +1568,24 @@
 /**
  * Process sitemap links.
  *
- * @param array $entities
- *   An array of \Drupal\Core\Entity\EntityInterface objects.
- * @param array
+ * @param string $entity_type
+ *   The entity type to load, e.g. node or user.
+ * @param array $ids
  *   Entity ids to be processed.
  */
 function xmlsitemap_xmlsitemap_process_entity_links($entity_type, array $ids) {
-  $entities = entity_load_multiple($entity_type, $ids);
-  $anonymous_user = new AnonymousUserSession();
-  foreach ($entities as $entity) {
-    $link_storage = \Drupal::service('xmlsitemap.link_storage');
-    $link = $link_storage->create($entity);
-    $link_storage->save($link);
+  /** @var \Drupal\xmlsitemap\XmlSitemapLinkStorage $link_storage */
+  $link_storage = \Drupal::service('xmlsitemap.link_storage');
+  /** @var \Drupal\Core\Entity\EntityStorageInterface $entity_storage */
+  $entity_storage = \Drupal::entityTypeManager()->getStorage($entity_type);
+
+  foreach (array_chunk($ids, 100) as $chunked_ids) {
+    foreach ($entity_storage->loadMultiple($chunked_ids) as $entity) {
+      /** @var array $link */
+      $link = $link_storage->create($entity);
+      $link_storage->save($link);
+    }
+    $entity_storage->resetCache();
   }
 }