ライブストリーミングサービスの負荷を捌くためにしたNのこと

YAPC::Asia Hachioji 2016 mid in Shinagawaで発表した資料

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1. Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights ϥΠϒετϦʔϛϯάαʔϏεͷ ෛՙΛࡹͨ͘Ίʹͨ͠Nͷ͜ͱ ੨໦ ܒ߶ @hoyo1111 n = 3
2. @hoyo1111  ੨໦
   ܒ߶ʢ͓͖͋
   ͚͍͝͏ʣ
    גࣜձࣾѮɹɹɹɹࣥߦ໾һ$50ɹˡࠓ೔͸ͬͪ͜ͷ࿩
    גࣜձࣾϗϤελɹ୅දऔక໾
    1)1FSͰ͢
    ओʹ1IBMDPOͱ͍͏ϑϨʔϜϫʔΫΛ࢖͍ͬͯ·͢
    ΋ͱ΋ͱӦۀ΍ͬͯ·ͨ͠ʢ໿೥ʣ
    ΤϯδχΞͱͯ͠ͷ࣮຿ܦݧ͸Ѯ͕ࣾ໨Ͱ͢
3. ࠓ೔࿩͢͜ͱ  ΤϯδχΞܦݧθϩͷਓ͕ؒελʔτΞοϓʹδϣΠϯͯ͠ɺ ؾ߹ͱࠜੑͰαʔϏεΛܧଓ͖ͤͯͨ͞Τϐιʔυ
    αʔϏεͷεέʔϧʹؔ͢Δͻͱͭͷࣄྫ
    ΠϯϑϥͷεέʔϧΛߟ͑Δͱ͖ʹ৺͕͚͍ͯΔ͜ͱ
4. Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights ϥΠϒετϦʔϛϯά
5. Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights
7. Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights ഭΓདྷΔόʔεττϥϑΟοΫ
8. ϥΠϒετϦʔϛϯάத
9. ࢹௌऀ͕૿͑ͳ͍Α͏ʹ ϓογϡ௨஌Λ͖͋ΒΊΔ҉ࠇظ n = 1 ʢ2೥લ͘Β͍ʣ
10. ଓ͚ͯݟΔϢʔβ΋͍ΔͷͰ 19࣌୆ΑΓ΋20࣌୆ɺ 20࣌୆ΑΓ΋21࣌୆ͷ΄͏͕ ΞΫηε͕૿͑Δ͜ͱ͕ଟ͍ तۀ5ʙ10෼લʹϓογϡ௨஌Λૹ͍͕ͬͯͨɺ ෛՙ͕ߴ͍ͷͱ͖͸҆ఆੑΛ༏ઌ͠ٽ͘ٽ͖͋͘ΒΊΔ͜ͱ΋…
11. ΞΫηε૿΁ͷରࡦ͕΄΅օແͰ ίϝϯτऔಘͷͨΊͷϙʔϦϯάͰ αʔόͷෛՙ͕૿େ͠ଓ͚Δ ʂ ΋ ͏ݶք ʂ
12. $BDIJOH
    
    -PBE
    #BMBODJOH
13. ElastiCache(Memcached)Λ࢖͍ ίϝϯτऔಘͳͲҰ෦ʹ͍ͭͯ HTTPϦΫΤετ݁ՌΛΩϟογϡ ʂ
14. Ξοϓϩʔυͨ͠ը૾ͳͲ͸ ֨ೲઌΛS3ʹมߋ ʂ ηογϣϯ৘ใͷอଘઌ΋ Memcacheʹมߋ ELBΛಋೖ
15. n = 2 ഑৴͕ελʔτ͢ΔλΠϛϯά͚ͩ ҟৗͳ΄Ͳ൓Ԡ͕஗͘ͳΔ֦େظ ʢ൒೥લ͘Β͍ʣ
16. ΞϓϦىಈ࣌ʹΫΤϦ͕ଟ਺࣮ߦ - Ϣʔβೝূ / ձһεςʔλε֬ೝ - ഑৴εέδϡʔϧදࣔ - ΞϓϦ಺௨஌ͷ༗ແ֬ೝɹͳͲ ʂ ΋ ͏ݶք ʂ
17. "NB[PO
    "VSPSB
18. ʂ RDSͷΤϯδϯΛAurora΁มߋ ߋ৽ܥΫΤϦͷΈwriterʹ޲͚Δ ࢀরܥΫΤϦ͸read replica΁
19. nginx php-fpm haproxy writer read replica read replica
20. n = 3 ৔౰ͨΓతͩͬͨϩάऩू͕ αʔϏεͷ੒௕Λ્֐͢Δస׵ظ ʢ΄΅ݱࡏਐߦܗʣ
21. ϥΠϒετϦʔϛϯάࢹௌϢʔβͷ ΞΫηεϩάΛMySQLʹอଘ ࢹௌ։࢝ˠ཭୤Λ೺Ѳ͍ͨͨ͠Ί ϙʔϦϯάͷ౎౓DBʹΫΤϦ͕૸Δ ΋ ͏ݶք ʂ
22. 4FSWFSMFTT
    "SDIJUFDUVSF
23. ϩάͷҰ࣌อଘઌΛ DynamoDBʹมߋ͠ɺ طଘͷAPI Server͔Β LambdaʹॲཧΛҕৡ
24. ϩάͷҰ࣌อଘઌΛ DynamoDBʹมߋ͠ɺ طଘͷAPI Server͔Β LambdaʹॲཧΛҕৡ ഑৴ऴྃޙʹWorker͕ DynamoDBͷϨίʔυΛ ద੾ʹ੔ܗ͔ͯ͠Βอଘ
25. Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights େ੾ʹ͖ͯͨ͜͠ͱ
26. Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights #VJME
    UP
    5IJOL
27. ૸Γͳ͕Βߟ͑Δ  ձࣾ΍αʔϏεͷϑΣʔζʹΑͬͯબ୒ࢶ͸ແݶେ
     ࣍ʑͱ৽͍ٕ͠ज़͕ग़ͯ͘ΔͷͰ࠷దղ͸ৗʹมԽ͢Δ
     ͦ΋ͦ΋ɺεέʔϧͷ֦େΑΓ༏ઌ͢΂͖͜ͱ͕͍͍ͩͨଟ͍
28. Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights OBOJ
    HJHBOUVN
    VNFSJT
    JOTJEFOUFT
29. ڊਓͷݞʹͷΔ  ୳ͤ͹ࢁͷΑ͏ʹέʔεελσΟ͕ग़ͯ͘Δ
     શͯΛθϩ͔Β͍ͭͬͯ͘Δ༨༟͸ͳ͍
     ελʔτΞοϓʹͱͬͯ͸ɺ࠷ઌ୺ͷҰา͋ͱΛาΉ͘Β͍͕ ͪΐ͏Ͳ͍͍ʢ৔߹΋ଟ͍ʣ
     ٕज़ͷ૊Έ߹Θͤ࣍ୈͰʢ͋Δఔ౓·Ͱ͸ʣͳΜͱ͔ͳΔ
30. Concert crowd with stage lights | CC-BY: Vector Open Stock https://www.vectoropenstock.com/vectors/preview/69124/concert-crowd-with-stage-lights 8FSF
    )JSJOH