diff --git a/core/server/overrides.js b/core/server/overrides.js
index 84d608fdca7..13756c9b26b 100644
--- a/core/server/overrides.js
+++ b/core/server/overrides.js
@@ -1,3 +1,10 @@
+/**
+ * If we enable bluebird debug logs we see a huge memory usage.
+ * You can reproduce by removing this line and import a big database export into Ghost.
+ * `NODE_ENV=development node index.js`
+ */
+process.env.BLUEBIRD_DEBUG = 0;
+
 const moment = require('moment-timezone');
 
 /**