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Lambdaで最近やらかした話
motsu
June 07, 2022
Technology
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Lambdaで最近やらかした話
JAWS-UG朝会 #34で発表したプチやらかしのスライドです
motsu
June 07, 2022
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Transcript
Lambdaで最近やらかした話 2022.6.7 JAWS-UG 朝会 #34 もつ
ͭ ɾSIer n →ࢹج൫ͷอक →SaaSͷߏஙࢧԉ ɾJAWS-UG ॳ৺ऀࢧ෦ӡӦ ɾTwitter: @ad_motsu
ɾझຯɿࣸਅࡱΔ͜ͱɺϑΥϯτ͍͡Γʢʴʓʓ່ؔʣ ɾ͖ͳAWSαʔϏεɿ Amazon S3ɾGlacier ࠷ۙSageMaker… 自己紹介
• ͭ͘Ζ͏ͱ͍ͯͨ͠ͷ • ͬͪΌͬͨ͜ͱͱɺ͍ͭؾ͍ͮͨͷ͔ • Ͳ͏ͬͯରॲͨ͠ͷ͔ • ·ͱΊ こんなことを話します
こんなものをつくろうとしていた Amazon Kinesis ผͷSaaS AWS Cloud AWS Lambda Kinesis͔ΒૹΒΕͯ͘ΔσʔλΛநग़ͯ͠ɺผͷSaaSͱAPI࿈ܞΛ ͤ͞ΔͨΊʹɺLambdaΛͬͯΑ͠ͳʹॲཧ͢ΔͭΓ
こんなものをつくろうとしていた ɾରͷϨίʔυใΛऔಘ ɹ ɾKinesis͔ΒඞཁͳใΛநग़ ɾSaaSͷରϨίʔυͱPOST Lambdaさんの役割(当初) →ͦ͜·Ͱ͍͜͠ͱཁٻ͍ͯ͠ͳ͍ͭΓͰͨ͠
• ಈ͚ͩ͘ͷίʔυΛͯ͠ɺՃͷॲཧΛهࡌ ͯͨ͠ • ಈ͔͘Ͳ͏͔࣮ࡍʹςετΛ܁Γฦ͓ͯ͠Γɺ Cloud WatchͰΤϥʔ→मਖ਼ͯ͠ϦτϥΠΛ ܁Γฦ͢ • ผ݅ͰखΛͯ͠ؼ͖ͬͯͯΈΔͱμογϡ
Ϙʔυͷάϥϑ͕ΤϥʔΛग़͠ଓ͚͍ͯͨ その日は突然に
͖ͯ͢ͳCloud Watchͷը໘ʢͣͬͱΤϥʔग़ଓ͚͍ͯ·ͨ͠ʣ →ʮɾɾɾɺͱΓ͋͑ͣࢭΊͳ͍ͱɾɾɾʯ その日は突然に
ɾσʔλͷ࿈ܞΛ͙͢ʹͱΊΔ →Lambdaͷը໘͔ΒKinesisͱͷଓΛͬͯσʔλͷྲྀΕΛΧοτ ɾLambdaͷ࠶ࢼߦύϥϝʔλͷΛ͘͢Δ →Kinesisͷσʔλอ࣋࣌ؒ24࣌ؒͷͨΊɺͬͱૣʹதஅͤ͞Δ ɾίʔυमਖ਼ →·͋ɾɾɾ やったこと
Kinesisͱͷ࿈ܞͰΠϕϯτιʔεϚοϐϯάΛ༻͍ͯ͠ΔͨΊɺࣦ ഊ͢ΔͱKinesisͷσʔλͷ༗ޮظݶ͕ΕΔ·Ͱͻͨ͢Β܁Γฦ͢ →࣌ʑൃੜ͍ͯͨ͠ΤϥʔʹҾ͔͔ͬͬͨΒ͍͠ʢ͜Ε·Ͱग़͍ͯͨ ͕ɺͳ͔ͥ͜͏ͳΒͳ͔ͬͨʣ Lambdaͷॲཧͷதʹແݶϧʔϓ͕ൈ͚Εͳ͍Α͏ͳͷ͕͋ͬͨ →ͦΓΌऴΘΒͳ͍ΑͶɾɾɾ 原因は・・・
ɾCloud WatchͷΞϥʔτઃఆΛೖΕ͓͖ͯͩͬͨ͘ →ಛఆظؒҎ্ͷॲཧ͕ߦΘΕͨ߹ͷઃఆΛࠐΜͰ͓͚͏গ͠ ૣʹؾ͚ͮͨՄೳੑ͋ͬͨʢ͜͜Ͱ͘͠Δͱఆͯ͠ͳ͔ͬͨʣ ɾStep Functions͏͜ͱΛߟྀ͢Δ͖ͩͬͨ →ॲཧ͕ෳ͋ΔͳΒࢄͤ͞Δ͜ͱߟ͓͚͑ͯΑ͔ͬͨ ちょっと反省
ɾKinesisͰͷσʔλॲཧΛ͢ΔͷʹLambdaΛ͏ͱख͕ܰͩͬͨɺॲཧ ͷࣦഊ͕ܧଓ͢Δ͜ͱߟྀͯ͠ͳ͔ͬͨʢ࠷࣮ߦ࣌ؒ15͔ͩΒͱ ͘ݟͯͨʣ ɾσʔλ࿈ܞΛࢭΊΕ͙͢ʹͳΜͱ͔ͳΔͷͰɺ·ͣઌʹ࿈ܞΛΔ ɾ;ͱͨ͠λΠϛϯάͰؾͮ͘ͷͰͳͪ͘ΌΜͱΞϥʔτ্͕ΔΑ ͏ʹઃఆ͓͖ͯ͠·͠ΐ͏ まとめ Appendix https://docs.aws.amazon.com/ja_jp/lambda/latest/dg/with-kinesis.html#services-kinesis-params https://aws.amazon.com/jp/premiumsupport/knowledge-center/lambda-function-duplicate-invocations/
https://docs.aws.amazon.com/ja_jp/lambda/latest/dg/invocation-eventsourcemapping.html