RailsのCacheつかってますか？@表参道.rb #44

Transcript

1. RailsͷCache͔ͭͬͯ·͔͢ʁ @yaboojp on දࢀಓ.rb #44 2019/3/7

2. Self • Name: େ༅ Ӭ / @yaboojp • Jobs: •

   22Inc. Co-Founder & CTO • ex NTTdata • Location: ژ౎ -> ౦ژ • Favorites: ΫϥϑτϏʔϧ, Իָ, όΠΫ, JALϚΠ ϧ
3. None

4. Cacheͱ͍ͬͯ΋৭ʑ $MJFOU /HJOY 6OJDPSO 3%#.4 )UUQ)FBEFS
   &YQJSFT
   &5BH
   $BDIF$POUSPM

   
   -BTU .PEJpFEͳͲ 1BHF$BDIF 'SBHNFOU$BDIF
   "DUJPO$BDIF .JEEMFXBSF
 7BSOJTI
   4RVJEͳͲ $%/
   $MPVE'MPOUͳͲ 42-
   $BDIF ௿ϨϕϧΩϟογϡ %/4 -#

5. on Railsͳͱ͚ͩ͜

6. PageCacheͱ͸ • Rails3·Ͱ͸ඪ४૷උ͕ͩͬͨɺࠓ͸Gem • ॳճΞΫηε࣌Ҏ֎Rubyʹ࢓ࣄͤ͞ͳ͍

7. PageCache ࣮ݧ • ྫ͑͹͜Μͳϖʔδʹ΍ΔͱͲ͏͔ʁ

8. PageCache ݁Ռ • ݁Ռɿ 173ms => 170ms • 1.7%ߴ଎Խ... ͱ͍͏͔ɺ΄΅มΘΒͳ͍

   • ಈతίϯςϯπ͕গͳ͍ViewͰ΍Δҙຯ͸͋·Γͳ ͍ • ͨͩɺunicornͳͲͷAppαʔόͷෛՙܰݮɺো֐࣌ Ͱ΋ฦͤΔͱ͍ͬͨϝϦοτ͸͋Δ

9. ͡Ό͋ɺ ಈతίϯςϯπ͕ଟ͍ϖʔδ ͰPageCache࢖ͬͯΈΑ͏

10. PageCache ஫ҙ఺ • Railsͷaction͕Ұ੾࣮ߦ͞Εͳ͍ͨΊɺ֤छ ϩδοΫ͸΋ͪΖΜɺೝূ͢Β͢Γൈ͚Δ Ϣʔβຖͷ
    ίϯςϯπΤϦΞ ͕͜͜ॳճʹΞΫηεͨ͠Ϣʔβͷ৘ใͱͯ͠Ϩϯμ Ϧϯά͞Εͨ)5.-Λৗʹฦ͢
    ˞
    ෦෼తʹ"KBYߋ৽͢Δઃܭ͸͋Γ

11. ࢖͍ॴ͕ͳ͔ͬͨ

12. PageCache ΦϚέ • ͠ΐ͏͕ͳ͍ͷͰɺ͜͏͍͏࣮ݧ • ݁Ռɿ 1100ms => 100ms ͙Β͍

13. PageCache ·ͱΊ • Railsʹ౸ୡ͠ͳ͍ͷڧ͍ • ίϯςϯπͷग़͠෼͚ͳͲʹ͸࢖͑ͳ͍ͳͲ ࢖͍ॴ͕ݶఆ͞ΕΔ • ಋೖίετΊͬͪΌ௿͍

14. ஌ݟ!!...??

15. ࣍ʂʂ

16. FragmentCacheͱ͸ • Ұ౓ϨϯμϦϯάͨ͠ViewϑΝΠϧΛϑϥά ϝϯτͱ͍͏୯ҐͰCacheStoreʹอଘ Ωϟογϡ͍ͨ͠
    ΤϦΞ 'SBHNFOU

17. FragmentCache ઃఆ • อଘઌ͸ࣗ༝ʹઃఆ

18. FragmentCache ࢖͍ํ • key͸ id + updated_at ͱ͔ҰҙʹͳΔΑ͏ʹ

19. ϩγΞϯυʔϧΩϟογϡ

20. FragmentCache σόοά • ։ൃ؀ڥ͸ઃఆೖΕͱ͘ͱ • ͜ΜͳΩϟογϡͷར༻ঢ়گ͕֬ೝͰ͖Δ

21. FragmentCache #1 • ͋Γ;Εͨ৘ใϖʔδ • 800ms -> 720ms 10%ߴ଎Խ

22. FragmentCache #2 • ΊͬͪΌॏ͍ϖʔδ • 9925ms -> 805ms 1240%ߴ଎Խ ͳΜ͔ΞϗΈ͍ͨ

    ʹॏ͍ϖʔδ
    ʢ/ ؚΉʣ

23. ద੾ʹExpireͤ͞Δ keyʹ஫ҙ • id + updated_at ͱ͔͕ϕετϓϥΫςΟε • ϛεͬͨΒେࣄނʹͳΔ͜ͱ΋

24. ΩϟογϡͰૣͯ͘͠Α Ωϟογϡͳ͍ͱ஗͍ ΋ͬͱΩϟογϡΛ ஗͍ʂʂ ੑೳ Ωϟογϡ ผͷՕॴ͕஗͘ͳΔͱ Ωϟογϡ

25. ༻๏ɾ༻ྔΛकͬͯ ਖ਼͓͘͠࢖͍͍ͩ͘͞

26. None

27. We Are Hiring

28. Thanks