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レアジョブアプリでのアクセス負荷で生じたAPI遅延問題を アプリエンジニア視点で対策を考えてみる
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tamappe
August 28, 2019
Technology
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レアジョブアプリでのアクセス負荷で生じたAPI遅延問題を アプリエンジニア視点で対策を考えてみる
tamappe
August 28, 2019
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Transcript
ϨΞδϣϒΞϓϦͰͷΞΫηεෛՙ Ͱੜͨ͡APIԆΛ ΞϓϦΤϯδχΞࢹͰରࡦΛߟ͑ ͯΈΔ ۄஔɹ༸ี @tamapppe
None
I N T R O D U C T I
O N ۄஔɹ༸ี Yosuke Tamaoki (32) ϞόΠϧΞϓϦΤϯδχΞ 2014-20193݄·ͰϑϦʔϥϯεͱͯ͠׆ಈ 20194݄ΑΓϨΞδϣϒʹϞόΠϧΞϓϦΤϯδχΞͱͯ͠ೖࣾ झຯ: ήʔϜ(Splatoon2)ɺےτϨɺྉཧ Twitter: https://twitter.com/tamapppe 01
02
Release info 03 ࠷৽ͷϦϦʔεͰiPadͷԣը໘ରԠΛ ϦϦʔε͠·ͨ͠ʂʂ ͥͻແྉମݧͰ͖ΔͷͰΞϓϦ͔Βडߨͯ͠Έ͍ͯͩ͘͞ https://apps.apple.com/jp/app/ϨΞδϣϒӳձ/id1121942360
ຊͷςʔϚ ΫϥΠΞϯτ͔Βݟͨ API௨৴ϦΫΤετԆ
APIԆ 04 ϨΞδϣϒΞϓϦ20 - 30 ͷࣾձਓϢʔβʔ͕ଟ͍ͨΊɺ ฏͷࣄऴΘΓʹϨοεϯΛड͚Δʹ͋Δɻ ಛʹ࠷ۙͰฏͷ݄༵͔Ր༵ͷ21:00 - 23:00ʹAPI௨৴ͷϦΫΤε
τ͕ଟ͘αʔόʔʹෛՙ͕͔͔Γ͗͢ΔͨΊ͔Ϩοεϯ༧ͷAPI͕ ԆؾຯʹͳΔʹ͋Δɻ ࣮ࡍʹ͜ͷ࣌ؒଳʹAPI௨৴ͷϦΫΤετ͕࠷େʹͳ͍ͬͯΔͷͰ ϞόΠϧΞϓϦଆͰରࡦΛ࿅Δඞཁ͕ग़͖ͯͨɻ ฏͷ21:00 - 23:00
Kibana ͰϦΫΤετճΛ֬ೝ 05 03:00 06:00 12:00 15:00 18:00 21:00 09:00
Kibana ͰϦΫΤετճΛ֬ೝ 06 03:00 06:00 12:00 15:00 18:00 21:00 09:00
ϐʔΫλΠϜͷෛՙΛ֬ೝ͢Δͱ 07 ฏৗ࣌ʹରͯ͠ 5ഒ͍ۙϦΫΤετ͕ ϐʔΫ࣌ʹΞϓϦ͔ΒඈͿɻ webͰಉ༷ͷϦΫΤετͷ૿Ճ͕ى͖͍ͯΔ͕ɺฏৗ࣌ͱͷ ͕ࠩΞϓϦಛʹେ͖͔ͬͨɻ ͳͥ͜ΜͳʹΞϓϦ͔ΒϦΫΤετ͕ඈΜͰ͍Δͷ͔ʁʁ
ߨࢣใऔಘAPI Ͳ͏Β͕͜͜ոͦ͠͏ͩ
ߨࢣใऔಘAPIͷ༷ 08 1. ΞϓϦىಈ࣌ʹશͯͷϑΟϦϐϯߨࢣΛऔΔඞཁ͕͋Δ(1000ਓ) 2. ΩϟογϡΛ͍ͬͯͯ༗ޮظݶอଘ͔ͯ͠Β10Ҏ 3. Ωϟογϡ͕͍ͬͯΕΞϓϦDBΛ͏ɺظݶΕͳΒAPI௨ ৴ 4.
Ϩοεϯ༧ͷࡍʹʮߨࢣใʯͱʮߨࢣͷεέδϡʔϧใʯ͕ ඞཁ 5. ߨࢣΫϥε͕ͦΕͧΕͷεέδϡʔϧΫϥεΛอ͍࣋ͯ͠Δ 6. ΞϓϦىಈ࣌ʹ1िؒͷεέδϡʔϧใΛऔಘ͍ͯ͠Δ 7. ଞͷੜెʹઌʹͦͷεέδϡʔϧΛऔΒΕ͍ͯͨΒϨοεϯΛ༧Ͱ ͖ͳ͍ͷͰͰ͖Δ͚ͩʮৗʹ࠷৽ͷεέδϡʔϧʯΛը໘ʹө͞ ͤͳͯ͘ͳΒͳ͍ ࣌ؒͷߜΓࠐΈ ʹͪͷߜΓࠐΈ
ߟ͑ͨରԠ 09 1. ࠶ؼॲཧ͢ΔճΛΒ͢ 2. ϨοεϯΛ༧͍ͯ͠ΔϢʔβʔϨοεϯ ։࢝30લࣗಈతʹAPIΛୟ͔ͳ͍Α͏ʹ ͢Δ 3. ΞϓϦىಈ࣌ʹ1िؒͰͳ͘1୯ҐͰ
ใΛऔಘ͢ΔΑ͏ʹ͢Δ 4. ߜΓࠐΈݕࡧͰશͯͷߨࢣΛऔಘ͢Δ͔Ͳ͏ ͔ΦϓγϣϯΛՃ͢Δ 5. ͦͷଞ
ߦͬͨରԠ 10 2. ϨοεϯΛ༧͍ͯ͠ΔϢʔβʔ Ϩοεϯ։࢝30લࣗಈత ʹAPIΛୟ͔ͳ͍Α͏ʹ͢Δ → ͜ͷΑ͏ͳϢʔβʔ༧ΑΓϨοεϯडߨ͕ϝΠϯͰΞϓϦΛىಈ͢ΔͣͳͷͰ → ࠓͷઃܭʹ͓͍ͯίʔυͷӨڹൣғͱ༷ͷӨڹൣғ͕গͳͦ͏͔ͩΒ
→ UIతʹҰ൪ָ࣮ͦ͏
UI 11 ߨࢣݕࡧAPIͷϘλϯΛஔ͍ͯखಈͰ APIΛୟ͚ΔΑ͏ʹରԠ
ఆରԠલޙͷભҠ 12 Max ࣌ͷ20%ͷճΛݮ
ϑϩϯτΤϯυΤϯδχΞʹͱͬͯͷ APIͷݟ͑ํ 13 1. ۃྗඞཁͳ͍ใͰAPI௨৴Λආ͚Δઃܭʹ͢Δ 2. Ϙλϯ࿈ଧରԠʹؾΛ͚ͭΔ 3. APIଆͷerrorCodeඞͣߟྀ͢Δ 4.
ΞϓϦଆͰྫ֎ॲཧۃྗߦ͏ 5. APIແݶʹ͑Δͷͩͱࢥ͏͕͋ΔͷͰෆඞ ཁʹୟ͔ͳ͍ઃܭΛ৺͕͚Δඞཁ͕͋Δ 6. αʔόʔͷෛՙΛߟྀ͢Δ
݁ 14 ΞϓϦΤϯδχΞͱ͍͑Ͳɺ αʔόʔαΠυͷෛՙΛߟྀͯ͠࠷దͳUIɾUXΛߟ͑Δ ͷ͕ϕετͰ͋Δɻ
Thank you!