From 66e453aa1b599ed9a35a7b160b89e8f1d1d64541 Mon Sep 17 00:00:00 2001
From: webchick <drupal@webchick.net>
Date: Thu, 27 Aug 2015 14:33:28 -0700
Subject: [PATCH] Issue #2503999 by neclimdul, mikeryan, Berdir, catch,
andypost: Large volume entity migrations run out of memory
---
core/modules/migrate/src/MigrateExecutable.php | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/core/modules/migrate/src/MigrateExecutable.php b/core/modules/migrate/src/MigrateExecutable.php
index fccb667bfcd3..1ed145d53132 100644
--- a/core/modules/migrate/src/MigrateExecutable.php
+++ b/core/modules/migrate/src/MigrateExecutable.php
@@ -511,7 +511,17 @@ protected function attemptMemoryReclaim() {
// First, try resetting Drupal's static storage - this frequently releases
// plenty of memory to continue.
drupal_static_reset();
+
+ // Entity storage can blow up with caches so clear them out.
+ $container = \Drupal::getContainer();
+ /** @var \Drupal\Core\Entity\EntityManagerInterface $manager */
+ $manager = $container->get('entity.manager');
+ foreach ($manager->getDefinitions() as $id => $definition) {
+ $manager->getStorage($id)->resetCache();
+ }
+
// @TODO: explore resetting the container.
+
return memory_get_usage();
}
--
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