diff --git a/core/lib/Drupal/Core/Cache/MultiBackend.php b/core/lib/Drupal/Core/Cache/MultiBackend.php
index f5c5d92..5900622 100644
--- a/core/lib/Drupal/Core/Cache/MultiBackend.php
+++ b/core/lib/Drupal/Core/Cache/MultiBackend.php
@@ -68,7 +68,9 @@ public function __construct(CacheBackendInterface $cache_backend, $bin) {
    * {@inheritdoc}
    */
   public function get($cid, $allow_invalid = FALSE) {
-    return isset($this->cacheItems[$cid]) ? $this->prepareItem($this->cacheItems[$cid], $allow_invalid) : FALSE;
+    // Try to get the cache item from the preloaded data, otherwise delegate to
+    // the storage backend.
+    return isset($this->cacheItems[$cid]) ? $this->prepareItem($this->cacheItems[$cid], $allow_invalid) : $this->cacheBackend->get($cid, $allow_invalid);
   }
 
   /**
@@ -87,6 +89,14 @@ public function getMultiple(&$cids, $allow_invalid = FALSE) {
 
     $cids = array_diff($cids, array_keys($ret));
 
+    if ($cids) {
+      foreach ($this->cacheBackend->getMultiple($cids, $allow_invalid) as $item) {
+        $ret[$item->cid] = $item;
+      }
+
+      $cids = array_diff($cids, array_keys($ret));
+    }
+
     return $ret;
   }
 
@@ -94,28 +104,28 @@ public function getMultiple(&$cids, $allow_invalid = FALSE) {
    * {@inheritdoc}
    */
   public function set($cid, $data, $expire = Cache::PERMANENT, array $tags = array()) {
-    $this->cacheItems[$cid] = $this->createCacheObject($cid, $data, $expire, $tags);
+    $this->cacheBackend->set($cid, $data, $expire, $tags);
 
-    $return = $this->cacheBackend->set($cid, $data, $expire, $tags);
+    $this->cacheItems[$cid] = $this->createCacheObject($cid, $data, $expire, $tags);
     $this->addMultiKeys([$cid]);
-
-    return $return;
   }
 
   /**
    * {@inheritdoc}
    */
   public function setMultiple(array $items = []) {
+    $this->cacheBackend->setMultiple($items);
+
     foreach ($items as $cid => $item) {
-      $this->set($cid, $item['data'], isset($item['expire']) ? $item['expire'] : CacheBackendInterface::CACHE_PERMANENT, isset($item['tags']) ? $item['tags'] : []);
+      $item += [
+        'expire' => Cache::PERMANENT,
+        'tags' => [],
+      ];
+      $this->cacheItems[$cid] = $this->createCacheObject($cid, $item['data'], $item['expire'], $item['tags']);
     }
 
-    $return = $this->cacheBackend->setMultiple($items);
-
     // Map keys and store them.
     $this->addMultiKeys(array_keys($items));
-
-    return $return;
   }
 
   /**
@@ -187,7 +197,7 @@ public function invalidateAll() {
   }
 
   /**
-   * Implements Drupal\Core\Cache\CacheBackendInterface::invalidateTags().
+   * {@inheritdoc}
    */
   public function invalidateTags(array $tags) {
     foreach ($this->cacheItems as $cid => $item) {
@@ -267,7 +277,7 @@ protected function prepareItem($cache, $allow_invalid) {
     }
 
     // Check expire time.
-    $prepared->valid = $prepared->expire == Cache::PERMANENT || $prepared->expire >= $this->getRequestTime();
+    $prepared->valid = ($prepared->expire === Cache::PERMANENT) || ($prepared->expire >= $this->getRequestTime());
 
     if (!$allow_invalid && !$prepared->valid) {
       return FALSE;
@@ -277,7 +287,7 @@ protected function prepareItem($cache, $allow_invalid) {
   }
 
   /**
-   * Adds a mutli cache key.
+   * Adds a multi cache key.
    *
    * @param array $keys
    */
@@ -326,9 +336,9 @@ protected function createCacheObject($cid, $data, $expire = Cache::PERMANENT, ar
       'cid' => $cid,
       'data' => is_object($data) ? clone $data : $data,
       'expire' => $expire,
-      'created' => $this->getRequestTime(),
+      'created' => round(microtime(TRUE), 3),
       'tags' => $tags,
-      'valid' => $expire == Cache::PERMANENT || $expire >= $this->getRequestTime(),
+      'serialized' => FALSE,
     ];
   }
 
diff --git a/core/modules/views/views.services.yml b/core/modules/views/views.services.yml
index 6b915e6..6346fb8 100644
--- a/core/modules/views/views.services.yml
+++ b/core/modules/views/views.services.yml
@@ -7,10 +7,10 @@ services:
     arguments: [access, '@container.namespaces', '@cache.views_plugin', '@module_handler']
   plugin.manager.views.area:
     class: Drupal\views\Plugin\ViewsHandlerManager
-    arguments: [area, '@container.namespaces', '@views.views_data', '@cache.discovery', '@module_handler']
+    arguments: [area, '@container.namespaces', '@views.views_data', '@cache.views_plugin', '@module_handler']
   plugin.manager.views.argument:
     class: Drupal\views\Plugin\ViewsHandlerManager
-    arguments: [argument, '@container.namespaces', '@views.views_data', '@cache.discovery', '@module_handler']
+    arguments: [argument, '@container.namespaces', '@views.views_data', '@cache.views_plugin', '@module_handler']
   plugin.manager.views.argument_default:
     class: Drupal\views\Plugin\ViewsPluginManager
     arguments: [argument_default, '@container.namespaces', '@cache.views_plugin', '@module_handler']
@@ -31,28 +31,28 @@ services:
     arguments: [exposed_form, '@container.namespaces', '@cache.views_plugin', '@module_handler']
   plugin.manager.views.field:
     class: Drupal\views\Plugin\ViewsHandlerManager
-    arguments: [field, '@container.namespaces', '@views.views_data', '@cache.discovery', '@module_handler']
+    arguments: [field, '@container.namespaces', '@views.views_data', '@cache.views_plugin', '@module_handler']
   plugin.manager.views.filter:
     class: Drupal\views\Plugin\ViewsHandlerManager
-    arguments: [filter, '@container.namespaces', '@views.views_data', '@cache.discovery', '@module_handler']
+    arguments: [filter, '@container.namespaces', '@views.views_data', '@cache.views_plugin', '@module_handler']
   plugin.manager.views.join:
     class: Drupal\views\Plugin\ViewsHandlerManager
-    arguments: [join, '@container.namespaces', '@views.views_data', '@cache.discovery', '@module_handler']
+    arguments: [join, '@container.namespaces', '@views.views_data', '@cache.views_plugin', '@module_handler']
   plugin.manager.views.pager:
     class: Drupal\views\Plugin\ViewsPluginManager
     arguments: [pager, '@container.namespaces', '@cache.views_plugin', '@module_handler']
   plugin.manager.views.query:
     class: Drupal\views\Plugin\ViewsPluginManager
-    arguments: [query, '@container.namespaces', '@cache.discovery', '@module_handler']
+    arguments: [query, '@container.namespaces', '@cache.views_plugin', '@module_handler']
   plugin.manager.views.relationship:
     class: Drupal\views\Plugin\ViewsHandlerManager
-    arguments: [relationship, '@container.namespaces', '@views.views_data', '@cache.discovery', '@module_handler']
+    arguments: [relationship, '@container.namespaces', '@views.views_data', '@cache.views_plugin', '@module_handler']
   plugin.manager.views.row:
     class: Drupal\views\Plugin\ViewsPluginManager
     arguments: [row, '@container.namespaces', '@cache.views_plugin', '@module_handler']
   plugin.manager.views.sort:
     class: Drupal\views\Plugin\ViewsHandlerManager
-    arguments: [sort, '@container.namespaces', '@views.views_data', '@cache.discovery', '@module_handler']
+    arguments: [sort, '@container.namespaces', '@views.views_data', '@cache.views_plugin', '@module_handler']
   plugin.manager.views.style:
     class: Drupal\views\Plugin\ViewsPluginManager
     arguments: [style, '@container.namespaces', '@cache.views_plugin', '@module_handler']