ryanlecompte · August 7, 2012 04:16 · Aug 7, 2012
diff --git a/gistfile1.rb b/gistfile1.rb
@@ -0,0 +1,19 @@
+# It appears that when I perform a query with AR via multiple threads,
+# the instantiated objects do not get released when a GC is performed.
+
+threads = Array.new(5) { Thread.new { Foo.where(:status => 2).all.first(100).each { |f| f.owner.first_name } } }
+threads.each(&:join)
+threads = nil
+
+GC.start
+
+ObjectSpace.each_object(Foo).count # => instances still exist
+
+# ----------------
+
+Foo.where(:status => 2).all.first(100).each { |f| f.owner.first_name }
+
+GC.start
+
+ObjectSpace.each_object(Foo).count # => 0
+