How To Optimize Unicorn Workers in a Ruby on Rails App | DigitalOcean
Introducing Unicorn If you are a Rails developer, you’ve probably heard of Unicorn, a HTTP server that can handle multiple requests concurrently. Unicorn uses forked processes to achieve concurrency. Since forked processes are essentially copies of each other, this means that the Rails application need not be thread safe. This is great because it is difficult to ensure that our own code is thread
Unicornã®Workerプãƒã‚»ã‚¹ã‚’リサイクルã™ã‚‹ - Qiita
Web サーãƒã‚„アプリケーションサーãƒã¯ã€ãƒªã‚¯ã‚¨ã‚¹ãƒˆæ•°ã‚„メモリ使用é‡ãŒã‚る閾値を超ãˆãŸã‚‰ãƒ—ãƒã‚»ã‚¹ã®å†èµ·å‹•ã‚’è¡Œã†ä»•çµ„ã¿ãŒç”¨æ„ã•ã‚Œã¦ã„ã¾ã™ã€‚ Apache ã«ã‚‚ IIS ã«ã‚‚ãã®ãŸã‚ã®è¨å®šé …ç›®ãŒç”¨æ„ã•ã‚Œã¦ã„ã¦ã€ã“ã®ä»•çµ„ã¿ã‚’一般ã«ãƒªã‚µã‚¤ã‚¯ãƒ«ã¨å‘¼ã¶ã‚ˆã†ã§ã™ã€‚ UA ã‹ã‚‰ã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’ã•ã°ãワーカープãƒã‚»ã‚¹ãŒç–²å¼Šã›ãšã€ãƒ‘フォーマンスをç¶æŒã™ã‚‹ãŸã‚ã®ä»•çµ„ã¿ã§ã™ã。 Ruby ã§äººæ°—ã®ã‚¢ãƒ—リケーションサーãƒã§ã‚ã‚‹ Unicorn ã§ã™ãŒã€æ®‹å¿µãªãŒã‚‰ã“ã®ãƒªã‚µã‚¤ã‚¯ãƒ«ã®æ©Ÿèƒ½ã‚’æŒã£ã¦ã„ã¾ã›ã‚“。 ã©ã†ã«ã‹ã§ããªã„ã‹ãªãƒ¼ã¨æ€ã£ã¦èª¿ã¹ã¦ã„ãŸã‚‰ã€ã“ã®çŸæ‰€ã‚’補完ã™ã‚‹ Gem ãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã¦ã„ã¾ã—ãŸã€‚ Unicorn Worker Killer | github ãã®ã¾ã‚“ã¾ã§ã™ã。 ã“ã® Gem ã§ã§ãã‚‹ã®ã¯ã€ä»¥ä¸‹ã®ã‚ˆã†ãªãƒªã‚µã‚¤ã‚¯ãƒ«ã§ã™ã€‚ ・一定ã®ãƒªã‚¯ã‚¨ã‚¹ãƒˆæ•°ã‚’超ãˆãŸã‚‰ãƒ©ãƒ³ãƒ€ãƒ ã§å†èµ·å‹•ã™ã‚‹ï¼ˆä¸Šé™ã«é”ã—ãŸã‚‰å¿…ãšå†èµ·å‹•ï¼‰ã€‚
Capistranoã§Unicornã®èµ·å‹•ã¨åœæ¢ã¨å†èµ·å‹• - ã²ã’ã‚ã
ã¡ã‚‡ã£ã¨ã—ãŸæ°—ã¾ãã‚Œã§Unicornを使ã£ã¦ã¿ãŸã€‚ åˆUnicorn。 ã¨ã„ã†ã“ã¨ã§Unicorn用ã®Capistranoã®ã‚¿ã‚¹ã‚¯ã‚’deploy.rbã«æ›¸ã„ãŸã€‚ 内容ã¯ã ã„ãŸã„以下ã®å—ã‘売り。 Capistrano tasks for starting unicorn — Gist Twiwt:Blog / jugyo : Capistrano ã«ã‚ˆã‚‹ãƒ‡ãƒ—ãƒã‚¤æ™‚ã« Unicorn ã®å†èµ·å‹•ã«å¤±æ•—ã™ã‚‹ã“ã¨ãŒã‚ã‚‹å•é¡Œã¸ã®å¯¾å‡¦ namespace :deploy do task :start, :roles => :app, :except => { :no_release => true } do run "cd #{current_path} && BUNDLE_GEMFILE=#{current_path}/Gemfile bundle exec unicorn_rails -c #{cu
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Running Sidekiq concurrently on a single worker with Heroku
https://qiita.com/y_uuki/items/118bce7b3a4acb545d79
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