Rails 3.1でアセットパイプラインがローカルホストを遅くした理由

Rails 3.1のアセットパイプラインでは、ページの読み込み時間が非常に遅いことに気づいています。各アセット（css/js/image）の読み込みには0.5秒から1秒の時間がかかります。これは本当に開発を妨げ始めています。私は生産に同じ問題がありません。Rails 3.1でアセットパイプラインがローカルホストを遅くした理由

解決策はありますか？以下のログ・ファイルは、個々の資産が0.5にロードされる様子を示している - 第二の0.3：

# load of page itself... 
... 
Completed 200 OK in 1231ms (Views: 933.0ms | ActiveRecord: 15.6ms) 


Started GET "/assets/blueprint/screen.css?body=1" for 127.0.0.1 at 2012-01-15 15:53:00 +0000 
Served asset /blueprint/screen.css - 304 Not Modified (0ms) 


Started GET "/assets/application.css?body=1" for 127.0.0.1 at 2012-01-15 15:53:00 +0000 
Served asset /application.css - 304 Not Modified (0ms) 


Started GET "/assets/blueprint/print.css?body=1" for 127.0.0.1 at 2012-01-15 15:53:00 +0000 
Served asset /blueprint/print.css - 304 Not Modified (0ms) 


Started GET "/assets/universal/application.js?body=1" for 127.0.0.1 at 2012-01-15 15:53:01 +0000 
Served asset /universal/application.js - 304 Not Modified (2ms) 


Started GET "/assets/universal/animate-color.js?body=1" for 127.0.0.1 at 2012-01-15 15:53:01 +0000 
Served asset /universal/animate-color.js - 304 Not Modified (0ms) 


Started GET "/assets/universal/animate-shadow.js?body=1" for 127.0.0.1 at 2012-01-15 15:53:02 +0000 
Served asset /universal/animate-shadow.js - 304 Not Modified (0ms) 


Started GET "/assets/jquery_ujs.js?body=1" for 127.0.0.1 at 2012-01-15 15:53:02 +0000 
Served asset /jquery_ujs.js - 304 Not Modified (0ms) 


Started GET "/assets/universal/jquery.placehold.js?body=1" for 127.0.0.1 at 2012-01-15 15:53:02 +0000 
Served asset /universal/jquery.placehold.js - 304 Not Modified (0ms) 


Started GET "/assets/universal/autoresize.js?body=1" for 127.0.0.1 at 2012-01-15 15:53:03 +0000 
Served asset /universal/autoresize.js - 304 Not Modified (0ms) 


Started GET "/assets/universal/utilities.js?body=1" for 127.0.0.1 at 2012-01-15 15:53:03 +0000 
Served asset /universal/utilities.js - 304 Not Modified (0ms) 


Started GET "/assets/universal/validators.js?body=1" for 127.0.0.1 at 2012-01-15 15:53:03 +0000 
Served asset /universal/validators.js - 304 Not Modified (0ms) 


Started GET "/assets/jquery.js?body=1" for 127.0.0.1 at 2012-01-15 15:53:04 +0000 
Served asset /jquery.js - 304 Not Modified (0ms) 


Started GET "/assets/whitelabel/pingpanel/pingpanel.css?body=1" for 127.0.0.1 at 2012-01-15 15:53:04 +0000 
Served asset /whitelabel/pingpanel/pingpanel.css - 304 Not Modified (0ms) 


Started GET "/assets/logo.png" for 127.0.0.1 at 2012-01-15 15:53:05 +0000 
Served asset /logo.png - 304 Not Modified (0ms) 


Started GET "/assets/application_bar_background.png" for 127.0.0.1 at 2012-01-15 15:53:05 +0000 
Served asset /application_bar_background.png - 304 Not Modified (0ms) 


Started GET "/assets/linen-new.jpg" for 127.0.0.1 at 2012-01-15 15:53:06 +0000 
Served asset /linen-new.jpg - 304 Not Modified (0ms)

減速の効果がより明確にクロム・ネットワーク・アナライザで見ることができる。

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