From 74be86395b9ec44a4cbbb5dec618dd314b6b046a Mon Sep 17 00:00:00 2001
From: Raphael <raphael@joindiaspora.com>
Date: Mon, 23 Aug 2010 16:33:44 -0700
Subject: [PATCH] Changing env back to development mode, the memory leak is
 likely fixed

---
 config/thin.yml                      |  2 +-
 lib/mongo_mapper/clear_dev_memory.rb | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)
 create mode 100644 lib/mongo_mapper/clear_dev_memory.rb

diff --git a/config/thin.yml b/config/thin.yml
index f60fed103..eb066d83e 100644
--- a/config/thin.yml
+++ b/config/thin.yml
@@ -7,7 +7,7 @@ max_conns: 1024
 require: []
 
 max_persistent_conns: 512
-environment: production
+environment: development 
 servers: 1
 daemonize: true
 #chdir: /usr/applications/localhash/current
diff --git a/lib/mongo_mapper/clear_dev_memory.rb b/lib/mongo_mapper/clear_dev_memory.rb
new file mode 100644
index 000000000..1a1db3b02
--- /dev/null
+++ b/lib/mongo_mapper/clear_dev_memory.rb
@@ -0,0 +1,19 @@
+module MongoMapper
+  class PerRequestMapClear
+    def initialize(app)
+      @app = app
+    end
+
+    def call(env)
+      if Rails.configuration.cache_classes
+      else
+        MongoMapper::Document.descendants.each do |m|
+          m.descendants.clear if m.respond_to? :descendants
+        end
+        MongoMapper::Document.descendants.clear
+        MongoMapper::EmbeddedDocument.descendants.clear
+      end
+      @app.call(env)
+    end
+  end
+end