こんなこともあろうかと、 サーバーは予め増やして置いた 〜アクセス頻度予測を用いてサーバーを自動増減する「計画的スケーリング」その後〜 / LINE Developer Meetup #32

LINE Developer Meetup #32 https://line.connpass.com/event/83597/

Transcript

1. ∁ੴྒ / GMO Pepabo, Inc.
   2018-04-24 LINE Developer Meetup #32
   ʙΞΫηεස౓༧ଌΛ༻͍ͯαʔόʔΛࣗಈ૿ݮ͢ΔʮܭըతεέʔϦϯάʯͦͷޙʙ
   ͜Μͳ͜ͱ΋͋Ζ͏͔ͱɺ
   αʔόʔ͸༧Ί૿΍ͯ͠ஔ͍ͨ
   

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2. ιϑτ΢ΣΞΤϯδχΞ
   ∁ੴ ྒ / @r_takaishi
   https://repl.info/
   TAKAISHI Ryo
   ٕज़෦ ٕज़ج൫νʔϜ
   

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3. ΩϟύγςΟϓϥϯχϯά
   

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4. μ΢ϯ͠ͳ͍ෛՙΛ͞͹͘
   
   ແବͳ͘ద੾ͳϦιʔεΛ഑ஔ͢Δ
   

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5. !5
   • ϐʔΫλΠϜʹ͋Θͤͯ୆਺Λܾఆ
   • ϝσΟΞ࿐ग़ɾΩϟϯϖʔϯ࣌ʹ͸ݸผʹ૿ઃ
   ΞϓϦέʔγϣϯαʔόʔͷ৔߹@minne
   

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6. !6
   ϐʔΫλΠϜʹ͋Θͤͯ୆਺Λઃఆ͢Δ৔߹
   
   
   
   
   
   
   
   
   
   
   ࣌ؒ
   
   ΞΫηεස౓ʢਖ਼نԽࡁʣ αʔόʔ୆਺
   

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7. ΞΫηε͕গͳ͍࣌ؒ͸αʔόʔ
   ୆਺Λ͍͍ײ͡ʹݮΒ͍ͨ͠
   

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8. ΞΫηε͕ଟ͍࣌ؒ͸ͦΕΛࡹ͚
   ΔΑ͏ͳαʔόʔ୆਺ʹ͍ͨ͠
   

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9. ෛՙʹԠͯ͡
   Φʔτεέʔϧ͢Ε͹͍͍
   

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10. !10
    • ϐʔΫ࣌ͷෛՙ͸ॠؒతʹൃੜ͢ΔͨΊɺݕ஌ͯ͠
    ͔ΒͷεέʔϧΞ΢τͰ͸ؒʹ߹Θͳ͍
    • αʔόʔͷىಈʙαʔϏεΠϯʹ͔͔ΔλΠϜϥά
    • Ծ૝Ϛγϯͷىಈ
    • ىಈ࣌ʹ࠷৽ͷΞϓϦέʔγϣϯίʔυΛσϓϩΠ
    ෛՙΛݕ஌ͯ͠Φʔτεέʔϧ͢Δख๏
    

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11. ͳ͔ͳ͔೉͍͠ʜ
    

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12. ͱࢥ͍ͬͯͨΒɺ೥ͷ಄ʹ
    

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13. ͍͍΋ͷ͋ΔΑ…ʂ
    

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14. ࡾ୐ݚڀॴһʹΑΔ
    ఏҊख๏
    

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15. ΞΫηεස౓༧ଌΛ༻͍ͨ
    ܭըతεέʔϦϯά
    

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16. ͜Ε·Ͱ஝ੵ͖ͯͨ͠
    ΞΫηεϩάΛ࢖ͬͯ
    ະདྷͷΞΫηεස౓Λ༧ଌ͢Δ
    

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17. ࣄલʹΞΫηεස౓͕Θ͔Ε͹ɺ
    ඞཁͳαʔόʔ୆਺΋Θ͔Δ
    

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18. • minneͰ͸ΞΫηεϩάɾߦಈϩάΛอଘ͍ͯ͠Δ
    • ྫ͑͹աڈ1ϲ݄ؒɺ1࣌ؒ୯ҐͷΞΫηεස౓͕Θ͔Δ
    • ͜ͷ࣌ܥྻσʔλΛ༻͍ͯɺະདྷͷΞΫηεස౓Λ༧ଌ͢Δ
    • ࣄલʹΞΫηεස౓͕Θ͔Ε͹ɺॲཧՄೳͳ୆਺ʹ૿ݮͰ͖Δ
    !18
    Ͳ͏͍͏΋ͷ͔ͬ͘͟Γ
    

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19. • minneͰ͸ΞΫηεϩάɾߦಈϩάΛอଘ͍ͯ͠Δ
    • ྫ͑͹աڈ1ϲ݄ؒɺ1࣌ؒ୯ҐͷΞΫηεස౓͕Θ͔Δ
    • ͜ͷ࣌ܥྻσʔλΛ༻͍ͯɺະདྷͷΞΫηεස౓Λ༧ଌ͢Δ
    • ࣄલʹΞΫηεස౓͕Θ͔Ε͹ɺॲཧՄೳͳ୆਺ʹ૿ݮͰ͖Δ
    !19
    Ͳ͏͍͏΋ͷ͔ͬ͘͟Γ
    ࠓ೔࿩͢ͷ͸ɺಛʹ͜ͷ෦෼
    

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20. !20
    ϩάऩू෦෼͕ؾʹͳΔํ͸εϥΠυΛνΣοΫʂ
    IUUQTTQFBLFSEFDLDPNNPOPDISPNFHBOFQFQBCPMPHJOGSBTUSVDUVSFCJHGPPU
    

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21. !21
    ༧ଌʹ͍ͭͯؾʹͳΔํ͸ϖύݚϒϩάΛνΣοΫʂ
    IUUQTSBOEQFQBCPDPNBSUJDMFJPUNJZBLFZ
    

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22. ͱ͍͏Θ͚Ͱ
    ࡞͍ͬͯͧ͘
    

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23. !23
    •
    ΞΫηεස౓༧ଌ܅ʢϖύݚʣ
    •
    αʔόʔ୆਺ܭࢉɾ૿ݮ܅ʢminneʣ
    ඞཁͳίϯϙʔωϯτ͸Կ͔ʁ
    

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24. !24
    ͜Ε͕ܭըతεέʔϦϯάͷߏ੒ͩʂ
    cron
    Redis
    ΞΫηεස౓༧ଌ܅
    (Sidekiq)
    IaaS API Endpoint
    ༧ଌΞΫηε਺ͷऔಘ
    ఆظ࣮ߦ
    αʔόʔ୆਺ܭࢉɾ૿ݮ܅
    (hakata)
    ඞཁαʔόʔ୆਺Λܭࢉɾ૿ݮ
    ༧૝ΞΫηεස౓Λอଘ
    

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25. !25
    ܭըతεέʔϦϯάͷྲྀΕ
    ࣌ ࣌
    ࣌ ࣌
    
    
    ຖ೔0࣌ա͗ɿ
    1೔෼ͷΞΫηεස౓Λ༧ଌ͢ΔΑ
    ຖ࣌40෼࣌ա͗ɿ
    ࣍ͷ1࣌ؒͷΞΫηεස౓༧ଌ͔Βαʔόʔ୆਺Λ૿ݮ͢ΔΑ
    

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26. • ༧ଌΞΫηεස౓(ϦΫΤετ਺/࣌)Λϕʔεͱ͢Δ
    • αʔόʔ͕ৗʹҰఆͷεϧʔϓοτ(rpm)Λอͭ୆਺Λ໨ࢦ͢
    • εϧʔϓοτظ଴஋(rpm)͸NewRelicͷϝτϦΫε͔Βࢉग़
    !26
    ඞཁαʔόʔ਺ͷܭࢉ
    ඞཁ୆਺༧ଌΞΫηεස౓εϧʔϓοτظ଴஋
    

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27. !27
    • ༧ଌΞΫηεස౓ɿ60,000 ϦΫΤετ/࣌
    • εϧʔϓοτظ଴஋ɿ1,000 rpm
    αʔόʔ୆਺ܭࢉͷྫ
    ඞཁ୆਺༧ଌΞΫηεස౓εϧʔϓοτظ଴஋
    
    
    

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28. • ʮΞΫηεස౓༧ଌʯͱʮϦιʔεྔܭࢉɾ૿ݮʯͷ2͕ͭඞཁ
    • ΞΫηεස౓༧ଌ͸1೔ʹ1ճ
    • Ϧιʔε૿ݮͷλΠϛϯά͸1࣌ؒʹ1ճ
    • Ϧιʔεྔܭࢉ͸༧ଌ஋ͱεϧʔϓοτظ଴஋Λݩʹܭࢉ
    !28
    ܭըతεέʔϦϯάͷઃܭ·ͱΊ
    

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29. ධՁɾ՝୊
    

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30. !30
    ΞϓϦέʔγϣϯαʔόʔͷCPU࢖༻཰
    ܭըతεέʔϧɿແޮ
    ܭըతεέʔϧɿ༗ޮ
    

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31. !31
    ΞϓϦέʔγϣϯαʔόʔ୆਺ͷભҠ
    ܭըతεέʔϧɿແޮ ܭըతεέʔϧɿ༗ޮ
    

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32. ݁ߏ͍͍͔Μ͡ʹಈ͍͕ͨʜ
    

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33. ͍͔ͭ͘՝୊΋
    

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34. !34
    • ༧ଌͷਫ਼౓௿ԼʹΑΔϦιʔεෆ଍
    • ༧ଌʹݱΕͳ͍ΞΫηε΁ͷରԠ
    • εέʔϧΞ΢τ͕ؒʹ߹Θͳ͍έʔε
    ՝୊
    

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35. ͜͜·Ͱ͸೥ͷ࿩
    

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36. ผ࡞ۀͷͨΊɺ
    Ұ࣌తʹఀࢭ͍ͯͨ͠
    

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37. ݄ࠒ͔Βվળʹணख
    

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38. εέʔϧΞ΢τ
    ͕ؒʹ߹Θͳ͍໰୊
    

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39. !39
    • αʔόʔىಈ࣌ʹΞϓϦέʔγϣϯͷίʔυΛऔಘɾ
    ల։͓ͯ͠ΓɺϘτϧωοΫͱͳ͍ͬͯΔ
    • ࠷৽Πϝʔδ ≠ ࠷৽ΞϓϦ
    • ΞϓϦͷϥΠϑαΠΫϧ ≠ αʔόʔͷϥΠϑαΠΫϧ
    ͳͥɺεέʔϧΞ΢τ͕ؒʹ߹Θͳ͍ͷ͔ʁ
    

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40. !40
    ϥΠϑαΠΫϧ
    CentOS minimal www www
    build
    minimal image
    build
    www image
    image lifecycle server lifecycle
    install puppet
    apply puppet
    deploy minne-app
    launch
    www server
    www
    deploy minne-app
    terminate
    www server
    deleted
    release
    minne-app
    

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41. !41
    • ࠷৽ΞϓϦ = ࠷৽ΠϝʔδΛ໨ࢦ͢
    • ϦϦʔε࣌ʹΠϝʔδΛϏϧυ͠ɺ࠷৽ͷΞϓϦΛ
    ؚΉΑ͏ʹ͢Δ
    ϦϦʔε࣌ʹΠϝʔδΛϏϧυ͢Δ
    

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42. !42
    • baseΠϝʔδͷϏϧυ
    • wwwΠϝʔδͷϏϧυ
    • wwwΠϝʔδͷݕࠪ
    • αʔόʔͱͯ͠ىಈ͢Δͷ͔ʁ
    • ىಈͨ͠ޙɺͪΌΜͱ֤ϓϩηε͕ಈ͍ͯΞΫηεͰ͖Δ͔ʁ
    ΠϝʔδϏϧυʹඞཁͳ΋ͷ͸…ʁ
    

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43. !43
    ͍͍͔Μ͡ʹΠϝʔδΛϏϧυͯ͘͠ΕΔ΍ͭ
    hakata
    workflow
    - build
    - push
    - verify
    notify
    run
    खݩ͔Βssh࣮ͯ͠ߦ
    ΞϓϦͷϦϦʔε࣌ʹϏϧυ
    IaaCͷϦϦʔε࣌ʹϏϧυ
    

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44. ࣮૷ͯ͠ɺಈ࡞Λ֬ೝ
    ࠷৽ΞϓϦ࠷৽Πϝʔδ✨
    

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45. ܭըతεέʔϦϯάΛ࠶Քಇͯ͠ɺ
    վળ͞Ε͔ͨݕূͨ͠
    

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46. ܭըతεέʔϦϯάΛ࠶Քಇͯ͠ɺ
    վળ͞Ε͔ͨݕূͨ͠
    

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47. !47
    • ΠϝʔδͷࣗಈϏϧυʹࢥͬͨΑΓ͕͔͔࣌ؒͬͨ
    • ࠶Քಇ͠Α͏ͱͨ͠Β͍Ζ͍Ζಈ͔ͣbug fix
    ࠶Քಇ͸͜ͷMeetupʹؒʹ߹Θͣ…
    

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48. ࠓޙʹ͝ظ଴͍ͩ͘͞ʂ
    

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49. ·ͱΊ
    

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50. !50
    • ΞΫηεස౓༧ଌΛ༻͍ɺΞΫηε͕૿͑ΔલʹΦʔ
    τεέʔϧ
    • ϖύݚͱ࿈ܞɾ෼୲͠ɺ࣮ݱ
    • ࢼݧӡ༻͠ɺ՝୊Λચ͍ग़ͨ͠
    • ͕ɺվળ·Ͱ͸Ͱ͖ͣ…
    ·ͱΊ
    

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51. Α͔ͬͨ͜ͱ
    

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52. !52
    • ϖύݚͱ࿈ܞ͠ɺ৽ٕज़Λ࣮ࡍͷαʔϏεʹಋೖ
    • Φʔτεέʔϧʹ͍ͭͯͷ஌ݟΛಘΔ͜ͱ͕Ͱ͖ͨ
    Α͔ͬͨ͜ͱ
    

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53. !53
    • ࢓૊Έͷ൚༻Խ
    • ࠓճ͸IaaS্Ͱ࡞͕ͬͨɺ࢓૊Έࣗମ͸ଞͰ΋࢖͑Δ
    • ྫɿKubernetesͷΑ͏ͳίϯςφج൫΁ͷల։
    • ༧ଌʹݱΕͳ͍ΞΫηε΁ͷରԠ
    • ෛՙΛτϦΨʔͱͨ͠εέʔϧΞ΢τ
    ࠓޙ΍͍͖͍ͬͯͨ͜ͱ
    

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54. We are hiring!
    ϗεςΟϯάαʔϏεͰ৽ٕज़Λ׆༻
    ΢ΣϒαʔϏεͷ4JUF3FMJBCJMJUZ&OHJOFFSJOH
    શࣾతͳٕज़ج൫Λ͕ͬͭΓ
    ࣄۀΛࠩผԽͰ͖Δٕज़Λ࡞Γग़͍ͨ͠ FUDʜ
    

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