#98 Request Profiling - RailsCastsYou can use profiling to determine where the performance bottlenecks are in specific Rails actions. Watch this episode for details.
Profiling puppetmasterd with ruby-prof « mind the explanatory gap
So I’m not hugely happy with the CPU consumption of puppetmasterd under heavy load, and so I’ve been trying to work out where the bottlenecks lie. Unfortunately I’ve yet to find a smoking gun, but here’s a reasonably simple way to produce profiles of puppetmasterd. Install ruby-prof from gems. Stop any apache/mongrel/nginx instances of puppetmasterd you may have running Edit /usr/sbin/puppetmaste
第4回　Railsアプリケーションをもã£ã¨é€Ÿã | gihyo.jp
Rails Web アプリケーションをもã£ã¨é€Ÿã ã“ã‚“ãªã‚¹ãƒˆãƒ¼ãƒªãƒ¼ã‚’考ãˆã¦ã¿ã¾ã™ã€‚ ã‚ãªãŸã¯ã€Railsã‚’å¦ã³ã€ã‚¢ãƒ—リケーションを作æˆã—ã€ã‚µãƒ¼ãƒ“スをインターãƒãƒƒãƒˆã«å…¬é–‹ã—ã¾ã—ãŸã€‚ã—ã°ã‚‰ãã™ã‚‹ã¨ã€æœ€åˆã®ãƒ¦ãƒ¼ã‚¶ãŒã§ãã¾ã™ã€‚ã‚ãªãŸã¯ã¨ã¦ã‚‚ãƒãƒƒãƒ”ーã§ã™ã€‚ãã†ã™ã‚‹ã†ã¡ã«ãƒ¦ãƒ¼ã‚¶ãŒäºŒäººå¢—ãˆã€å人ã«ãªã‚Šã€ç™¾äººã«ãªã‚Šã¾ã—ãŸã€‚ã‚ãªãŸã¯ãƒãƒƒãƒ”ーã§ã™ã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ã‚‚ã¿ã‚“ãªãƒãƒƒãƒ”ーã§ã™ã€‚ ã§ã‚‚ã€ãƒ¦ãƒ¼ã‚¶ãŒåƒäººã«ãªã‚Šã€ä¸€ä¸‡äººã«ãªã‚Šâ€¦ã€‚ã¨ã„ã£ãŸå ´åˆã€ä½•ãŒèµ·ã“ã‚‹ã§ã—ょã†ã‹ï¼Ÿ ãã“ã§èµ·ã“ã‚‹ã®ã¯ã‚¢ãƒ—リケーションã¸ã®åŒæ™‚æŽ¥ç¶šæ•°å¢—åŠ ã«ã‚ˆã‚‹ã‚µãƒ¼ãƒ“スæ供速度ã®ä½Žä¸‹ã§ã™ã€‚ユーザ数ãŒä¸€ä¸‡äººã‚’越ãˆã¦ã—ã¾ã†Webサーãƒã«ç‰¹æœ‰ã®å•é¡Œã¯ã€C10Kå•é¡Œã¨ã—ã¦çŸ¥ã‚‰ã‚Œã¦ã„ã¾ã™ã€‚ ãã‚Œã§ãªãã¨ã‚‚ã€æ®‹å¿µãªãŒã‚‰Railsã¯åŒæ§˜ä»–種フレームワークã¨æ¯”ã¹ã¦ã€å˜ä½æ™‚é–“ã‚ãŸã‚Šã®å‡¦ç†é‡ãŒä½Žã„ã“ã¨ã§çŸ¥ã‚‰ã‚Œã¦ã„ã¾ã™ã€‚ãã®ç†ç”±ã¯ã€Railsã§ã¯RubyãŒé…ãã¦ã€NativeTh
How to Profile Your Rails Application – CFIS
Yesterday I mentioned that ruby-prof now supports profiling rails applications. Lets see how that works. But a word of caution before beginning. Like all web applications, Rails apps are complex. They encompass many pieces – clients on remote machines, network connections, any number of application servers and database servers. Getting the whole ensemble to work can be tricky – let alone making it
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ruby-profã¨KCacheGrindã§ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ«é‡ŽéƒŽã«ãªã‚‹ - 昼メシ物語
速ã•ãŒè¶³ã‚Šãªã„ï¼ï¼ï¼ï¼ï¼ ãã‚“ãªæ™‚ã¯ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒªãƒ³ã‚°ã®æ™‚é–“ã§ã™ã。 Rubyã«ã¯æ¨™æº–添付ライブラリã¨ã—㦠profile ã¨ã„ã†ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ©ãŒã¤ã„ã¦ãる。ã§ã‚‚ã“ã®ãƒ©ã‚¤ãƒ–ラリã¯ã‚ã¾ã‚Šã«é…ã™ãŽã¦å®Ÿç”¨ã«è€ãˆãªã„ã‹ã‚‰ã€å¤šåˆ†èª°ã‚‚使ã£ã¦ã„ãªã„。ã»ã¨ã‚“ã©ã®Rubyist㯠ruby-prof を使ã£ã¦ã„ã‚‹ã“ã¨ã ã‚ã†ã€‚ 今回ã¯ã“ã® ruby-prof を使ã£ã¦ Ruby プãƒã‚°ãƒ©ãƒ ã®ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒªãƒ³ã‚°ã™ã‚‹æ–¹æ³•ã‚’紹介ã™ã‚‹ã€‚ 計測ã™ã‚‹ï¼ˆruby-prof） ruby-profã¯rubygemsã§ç°¡å˜ã«å…¥ã‚‹ã€‚ $ gem install ruby-profruby-profã¨ã„ã†ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ãƒ„ールãŒã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã•ã‚Œã‚‹ã€‚ã“れを使ã†ã¨ã€ãƒ—ãƒã‚°ãƒ©ãƒ を変更ã™ã‚‹ã“ã¨ãªã手軽ã«ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒªãƒ³ã‚°ã‚’è¡Œã†ã“ã¨ãŒã§ãる。ruby-profコマンドã®usageã¯ä»¥ä¸‹ã®ã¨ãŠã‚Šã€‚ ruby_prof 0.9.2 Usage: ruby_
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