PERF: push reindex job to daily

app/jobs/scheduled/periodical_updates.rb

@@ -32,7 +32,6 @@ module Jobs
         Post.rebake_old(250)
       end
 
-      Search.rebuild_problem_posts
     end
 
   end

app/jobs/scheduled/reindex_search.rb

@@ -0,0 +1,10 @@
+module Jobs
+  # if locale changes or search algorithm changes we may want to reindex stuff
+  class ReindexSearch < Jobs::Scheduled
+    every 1.day
+
+    def execute(args)
+      Search.rebuild_problem_posts
+    end
+  end
+end

lib/search.rb

@@ -49,6 +49,7 @@ class Search
               )', SiteSetting.default_locale).limit(10000)
 
     posts.each do |post|
+      # force indexing
       post.cooked += " "
       SearchObserver.index(post)
     end