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Scaling Rails apps - Valentin Mihov

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Valentin Mihov's presentation on "Scaling Rails app" at VarnaConf 2013

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弌从舒仍亳舒仆亠 仆舒 Rails 亳仍仂亢亠仆亳 舒仍亠仆亳仆 亳仂于 2013
舒 仄亠仆 5 亞仂亟亳仆亳 仂仗亳 Ruby on Rails 从舒仍亳舒仆亠 亟仂 仄亳仍亳仂仆亳 亰舒磦从亳 仆舒 亟亠仆 big data processing
仂亢亠 仍亳 Rails 亟舒 从舒仍亳舒?
舒从 舒弍仂亳 Ruby on Rails? Browser WEBrick Makes request Rails App Parses the request Writes response Sends response
亰弍仂 仆舒 仗舒于亳仍亠仆 app server
One machine concurrent setup Browser App Server Makes request Rails App Parses the request Writes response Sends response App Server App Server App Server App Server Pool of workers
Many machines concurrent setup Browser Makes request Sends response App Server App Server App Server App Server App Server Load Balancer App Server App Server App Server App Server App Server App Server App Server App Server App Server App Server Balances between machines Instance/VM/Box Instance/VM/Box Instance/VM/Box
Slow clients 亰从舒舒 亠 弍舒于仆舒 亶 从舒仂 从舒仆舒仍舒 亠 Internet 仂亢亠 亟舒 亳仄舒 network latency Browser App Server App Server App Server App Server App Server Load Balancer App Server App Server App Server App Server App Server App Server App Server App Server App Server App Server
亰仗仂仍亰于舒亶亠 "弍亠亳" 亰舒 舒亳从舒 Browser App Server App Server App Server App Server App Server ELB/haproxy/nginx App Server App Server App Server App Server App Server App Server App Server App Server App Server App Server nginxnginx nginx
亰弍亠亠亠 于仆亳仄舒亠仍仆仂 Ruby VM GC 仄仂亢亠 亟舒 亰舒亠仄舒 ** 于亠仄亠 green threads vs true concurrency vs GIL 仄仆仂亞仂 亰舒于亳亳 仂 仗亳仍仂亢亠仆亳亠仂 ruby 1.8 仆亠 亠 仗仂亟亟亢舒 仂亳亳舒仍仆仂 GC tweaks RUBY_GC_MALLOC_LIMIT RUBY_HEAP_SLOTS_INCREMENT RUBY_HEAP_MIN_SLOTS
Ruby Enterprise Edition 仂亢亠 弍亠 仆舒亶-亟仂弍舒舒 1.8 亳仄仗仍亠仄亠仆舒亳 Tweakable GC params copy-on-write friendly GC 亰仗仂仍亰于舒 TCMalloc - 仗仂-弍亰 malloc
JRuby 亰亞舒亟亠仆 于 JVM 亰仗仂仍亰于舒 JVM GC - 仄仆仂亞仂 弍亰 亠 仗仂亟亟亢舒 native extensions Unicorn 仆亠 亠 仗仂亟亟亢舒 丐磡于舒 亟舒 亠 仗仂仍亰于舒 TomCat, JBoss, GlassFish, etc. 礆舒 GIL + 亳亰仗仂仍亰于舒 native threads
GC-仂 仄仂亢亠 亟舒 亠 仆亳仆亞仂于舒 亠 于亳从亳 gem-仂于亠 亠 仗仂亟亟亢舒 弌舒仆仆舒 仗仂亟亟亢从舒 仆舒 unicode 仂亢亠 弍亳 仆舒亶-亟仂弍亳 亳亰弍仂 亰舒 仆仂于 仗仂亠从 MRI 2.0
Unicorn::OobGC Time Request 1 Request 2 Request 3 GC GC Time Request 1 Request 2 Request 3 GC GC
Monitoring NewRelic - 丶!
仂仍亠亰仆亳 仗仂亠从亳/仍亞亳 Unicorn - app server nginx - web server haproxy - load balancer AWS - real-time scaling infrastructure NewRelic - kick ass monitoring REE - optimized ruby VM memcached - 亠亳亳, 从亠亳舒仆亠
于仂 亳亰仄亠于舒亶亠, 仗仂仍亠 仂仗亳仄亳亰亳舒亶亠 舒弍仂亠 仗仂亟从 - 仆舒亶-于舒亢仆舒舒 仂仗亳仄亳亰舒亳 仗仂于亠亠仂 仍舒亶 bottleneck-舒 亠 data IO Rails 从舒仍亳舒 仆亠 仗仂-仍仂仂 仂 于亠从亳 亠亟亳仆 亟亞 framework 亳从仂 e computer science 仆亠 亰舒弍舒于磺亠!
仗仂亳?

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Scaling Rails apps - Valentin Mihov

  • 2. 舒 仄亠仆 5 亞仂亟亳仆亳 仂仗亳 Ruby on Rails 从舒仍亳舒仆亠 亟仂 仄亳仍亳仂仆亳 亰舒磦从亳 仆舒 亟亠仆 big data processing
  • 3. 仂亢亠 仍亳 Rails 亟舒 从舒仍亳舒?
  • 4. 舒从 舒弍仂亳 Ruby on Rails? Browser WEBrick Makes request Rails App Parses the request Writes response Sends response
  • 6. One machine concurrent setup Browser App Server Makes request Rails App Parses the request Writes response Sends response App Server App Server App Server App Server Pool of workers
  • 7. Many machines concurrent setup Browser Makes request Sends response App Server App Server App Server App Server App Server Load Balancer App Server App Server App Server App Server App Server App Server App Server App Server App Server App Server Balances between machines Instance/VM/Box Instance/VM/Box Instance/VM/Box
  • 8. Slow clients 亰从舒舒 亠 弍舒于仆舒 亶 从舒仂 从舒仆舒仍舒 亠 Internet 仂亢亠 亟舒 亳仄舒 network latency Browser App Server App Server App Server App Server App Server Load Balancer App Server App Server App Server App Server App Server App Server App Server App Server App Server App Server
  • 9. 亰仗仂仍亰于舒亶亠 "弍亠亳" 亰舒 舒亳从舒 Browser App Server App Server App Server App Server App Server ELB/haproxy/nginx App Server App Server App Server App Server App Server App Server App Server App Server App Server App Server nginxnginx nginx
  • 10. 亰弍亠亠亠 于仆亳仄舒亠仍仆仂 Ruby VM GC 仄仂亢亠 亟舒 亰舒亠仄舒 ** 于亠仄亠 green threads vs true concurrency vs GIL 仄仆仂亞仂 亰舒于亳亳 仂 仗亳仍仂亢亠仆亳亠仂 ruby 1.8 仆亠 亠 仗仂亟亟亢舒 仂亳亳舒仍仆仂 GC tweaks RUBY_GC_MALLOC_LIMIT RUBY_HEAP_SLOTS_INCREMENT RUBY_HEAP_MIN_SLOTS
  • 11. Ruby Enterprise Edition 仂亢亠 弍亠 仆舒亶-亟仂弍舒舒 1.8 亳仄仗仍亠仄亠仆舒亳 Tweakable GC params copy-on-write friendly GC 亰仗仂仍亰于舒 TCMalloc - 仗仂-弍亰 malloc
  • 12. JRuby 亰亞舒亟亠仆 于 JVM 亰仗仂仍亰于舒 JVM GC - 仄仆仂亞仂 弍亰 亠 仗仂亟亟亢舒 native extensions Unicorn 仆亠 亠 仗仂亟亟亢舒 丐磡于舒 亟舒 亠 仗仂仍亰于舒 TomCat, JBoss, GlassFish, etc. 礆舒 GIL + 亳亰仗仂仍亰于舒 native threads
  • 13. GC-仂 仄仂亢亠 亟舒 亠 仆亳仆亞仂于舒 亠 于亳从亳 gem-仂于亠 亠 仗仂亟亟亢舒 弌舒仆仆舒 仗仂亟亟亢从舒 仆舒 unicode 仂亢亠 弍亳 仆舒亶-亟仂弍亳 亳亰弍仂 亰舒 仆仂于 仗仂亠从 MRI 2.0
  • 14. Unicorn::OobGC Time Request 1 Request 2 Request 3 GC GC Time Request 1 Request 2 Request 3 GC GC
  • 16. 仂仍亠亰仆亳 仗仂亠从亳/仍亞亳 Unicorn - app server nginx - web server haproxy - load balancer AWS - real-time scaling infrastructure NewRelic - kick ass monitoring REE - optimized ruby VM memcached - 亠亳亳, 从亠亳舒仆亠
  • 17. 于仂 亳亰仄亠于舒亶亠, 仗仂仍亠 仂仗亳仄亳亰亳舒亶亠 舒弍仂亠 仗仂亟从 - 仆舒亶-于舒亢仆舒舒 仂仗亳仄亳亰舒亳 仗仂于亠亠仂 仍舒亶 bottleneck-舒 亠 data IO Rails 从舒仍亳舒 仆亠 仗仂-仍仂仂 仂 于亠从亳 亠亟亳仆 亟亞 framework 亳从仂 e computer science 仆亠 亰舒弍舒于磺亠!