MDL-80187 core_courseformat: format action classes

lib/db/caches.php

@@ -238,6 +238,16 @@ $definitions = array(
         'simplekeys' => true,
         'simpledata' => true,
     ],
+    // Course actions instances cache.
+    'courseactionsinstances' => [
+        'mode' => cache_store::MODE_REQUEST,
+        'simplekeys' => true,
+        'simpledata' => false,
+        'staticacceleration' => true,
+        // Executing actions in more than 10 courses usually means executing the same action on each course
+        // so there is no need for caching individual course instances.
+        'staticaccelerationsize' => 10,
+    ],
     // Used to store data for repositories to avoid repetitive DB queries within one request.
     'repositories' => array(
         'mode' => cache_store::MODE_REQUEST,