add cached tag xml dump

app/logical/api_cache_generator.rb

@@ -0,0 +1,17 @@
+class ApiCacheGenerator
+  def generate_tag_cache
+    File.open("#{RAILS_ROOT}/public/cache/tags-legacy.xml", "w") do |f|
+      f.puts('<?xml version="1.0" encoding="UTF-8"?>')
+      f.puts('<tags type="array">')
+      Tag.find_each do |tag|
+        name = CGI.escape_html(tag.name)
+        id = tag.id.to_s
+        created_at = tag.created_at.try(:strftime, '%Y-%m-%d %H:%M')
+        post_count = tag.post_count.to_s
+        category = tag.category
+        f.puts('<tag name="' + name + '" id="' + id + '" ambiguous="false" created_at="' + created_at + '" count="' + post_count + '" type="' + category + '"></tag>')
+      end
+      f.puts('</tags>')
+    end
+  end
+end

script/fixes/011.rb

@@ -0,0 +1,5 @@
+#!/usr/bin/env ruby
+
+require File.expand_path(File.join(File.dirname(__FILE__), '..', '..', 'config', 'environment'))
+require 'benchmark'
+