404 page had horrible perf, it was using "take" instead of limit.

in such cases EVERY row is materialized and only after the limit is applied. So ... imagine what happens on a forum with 2,000,000 topics
2025-05-22 07:53:49 +08:00 · 2013-10-02 13:05:03 +10:00
parent a3128665cf
commit af467a1675
2 changed files with 5 additions and 5 deletions
--- a/app/controllers/exceptions_controller.rb
+++ b/app/controllers/exceptions_controller.rb
@ -1,5 +1,5 @@
 class ExceptionsController < ApplicationController
-  skip_before_filter :check_xhr
+  skip_before_filter :check_xhr, :preload_json

  def not_found
    # centralize all rendering of 404 into app controller