add tagged logging

Gemfile

@@ -30,6 +30,8 @@ gem 'daemons'
 gem 'net-ssh'
 gem 'net-sftp'
 
+gem 'memorylogic'
+
 group :development do
   gem 'newrelic_rpm'
   gem 'ruby-prof'

app/controllers/application_controller.rb

@@ -1,4 +1,5 @@
 class ApplicationController < ActionController::Base
+  include Memorylogic
   protect_from_forgery
   helper :pagination
   before_filter :set_current_user

config/application.rb

@@ -22,6 +22,7 @@ module Danbooru
     config.action_mailer.delivery_method = :smtp
     config.action_mailer.smtp_settings = {:enable_starttls_auto => false}
     config.action_mailer.perform_deliveries = true
+    config.log_tags = ["PID:#{$PROCESS_ID}"]
   end
 end