Ruby应用性能调优实践

了解Ruby的性能调优关键，以及都有哪些工具可以利用

Transcript

1. Rubyଫአ௔ᚆ᧣սਫ᪢ ๫߽ - OneAPM 2015.10.10
2. ञ຾ฎՋԍҘ
3. ञ: ݰԧ੪೉ ຾: ݰԧ੪ݺ
4. ֦మݰᗤᶟҘ ඓԀ୏ஞހҘ ౯݄ԧ୊ᬟѺ
5. ڹݶԪ { ڹݶԪ }
6. ӳ۹Ոࣁଠ૞
7. ಍ৼ֯Ո
8. ۹Ղཛྷୗ୏ސ …
9. ํᅩᔲୟ …
10. ౯ժฎଗՋԍጱ? • OneAPM • ௔ᚆፊഴଘݣ • 2015ଙڡਠ౮C᫪ᣟᩒ • 350Ո • ᬪ200ՈฎᎸݎ • قࢵԆᥝITउ૱᮷ํړلݪ౲ېԪ॒
11. ౯ฎ᧡Ҙ • ๫߽ • Java 2007 ~ 2010 • Ruby 2011 ~ Now • ፓڹ੪ᘳOneAPM - RubyAgent, Cloud Insight • github.com/markgeek • douban.com/people/markgeek/
12. ౯ժ๶ᘱᘱRails ౌ ᬯկԪ
13. ౲ᘏฎRack ౌ ᬯկԪ
14. ٌਫฎRuby ౌ ᬯկԪ
15. ֦ᦊԅRubyౌހҘ ౌጱᤒሿฎՋԍҘ ፥ጱฎ᧍᥺๜᫝᭜౮ጱހҘ ᦶ፳አૡٍ༄ၥᬦހҘ
16. 30%զӤጱౌฎ՗ຝ຅Ӥ᧣սጱ
17. – ӧᎣ᭲ฎ᧡᧔ጱ “ᑕଧާ᮷ฎࡅෛܵ෯ጱਹվ̶”
18. ӞӻRubyଫአ • 2000ଚݎ • क़᮱ߥଫ෸ᳵ300ms • ଫአߥଫ෸ᳵ < 150ms • 4ݣԆ๢ / 8core,8G • nginx, goliath, grape, redis
21. ፡፡RubyጱचᏐܲݥ
22. RubyVMጱݎ઀ܲݥ • 1.9 Koichi Sasada : YARV • 1.9 Narihiro Nakamura ғLazySweep • 2.0 Narihiro Nakamura ғBitmap Marking GC • 2.1 Koichi Sasada ғGenerational Collector • 2.2 Koichi Sasada ғIncremental Generational Collector
23. http://tmm1.net/ruby21-rgengc
24. Rubyጱᬩᤈ᭛ଶӞፗࣁ൉܋
25. ӞԶच๜༷ஷ • Benchmark • Profiling • Tracing • Debugging
26. Benchmarkғ᪒ړ
27. benchmark, benchmark-ips
28. Profilingғᦕ୯ᬩᤈ෸מ௳
30. RubyProf,StackProf
31. Tracingғᦕ୯ොဩ᧣አמ௳
32. rbtrace,allocation_tracer
33. Ӟӻੜጱbenchmark
34. Ruby Performance
35. 1.98 / 1.14 = 1.7368…
37. RubyProf • flat - Prints a flat profile as text (default). • dot - Prints a graph profile as a dot file • call_stack - prints a HTML visualization of the call tree • call_tree - format for KCacheGrind
42. StackProf • CPUཛྷୗ • ੒᨝ړᯈཛྷୗ • middlewareཛྷୗ
46. rbtrace • rbtrace -p <PID> —firehose • rbtrace -p <PID> —slow=<N> • rbtrace -p <PID> --methods "Kernel#sleep" “Proc#call" • rbtrace -p <PID> --gc
47. Ꮯਧኒ᷀ԏݸ • fast-ruby • fasterer
48. Ӟӻਫᴬጱֺৼ
51. ݚक़ጱӞԶૡٍ
52. http://rbkit.codemancers.com/
53. https://github.com/peek/peek-rblineprof
54. https://github.com/MiniProfiler/rack-mini-profiler
55. ইຎ֦੒ବ੶உఽي᪁ Dtrace / SystemTap
56. ݳᭇጱૡٍ؉ݳᭇጱૡ֢
57. Rubyਖ਼տᬩᤈጱๅள
58. – Yukihiro 'Matz' Matsumoto “Super Dry Ruby”
59. https://www.youtube.com/watch?v=bqWBB8-iEac&list=PLE7tQUdRKcyZdMYKatu_nics8Pkjxl3-F
60. ই֜೮ᖅጱፊഴଫአ ጱ௔ᚆᳯ᷌
61. Application Performance Monitor or Application Performance Management
64. ӧՐՐฎᬯԶ
67. ୏რᩒრ • https://github.com/JuanitoFatas/fast-ruby • https://github.com/DamirSvrtan/fasterer • https://github.com/schneems/derailed_benchmarks • https://github.com/change/method_profiler • https://github.com/schneems/heapy • https://github.com/peek/peek-rblineprof • https://github.com/tmm1/rblineprof
68. ݇ᘍᩒා1 • https://engineering.heroku.com/blogs/2015-02-04-incremental-gc/ • http://tmm1.net/ruby21-rgengc/ • https://www.youtube.com/watch?v=nRehkd22j78&spfreload=10 • https://avsej.net/2012/systemtap-and-ruby-20/ • https://www.shopify.com/technology/16777156-tuning-rubys-global-method-cache • https://www.youtube.com/watch?v=pZ_BcEcFGj0 • http://www.atdot.net/~ko1/activities/2015_railsconf.pdf • http://samsaffron.com/archive/2013/11/22/demystifying-the-ruby-gc
69. ݇ᘍᩒා2 • http://www.theirishpenguin.com/2009/10/29/understanding-how-ruby-stores- objects-in-memory-the-ruby-heap.html • http://samsaffron.com/archive/2013/11/22/demystifying-the-ruby-gc • http://thorstenball.com/blog/2014/03/12/watching-understanding-ruby-2.1- garbage-collector/
70. https://github.com/mattbaker/ruby-heap-viz
71. ᨀᨀ Q&A