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Avatar for karupanerura karupanerura
November 15, 2025
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 log

YAPC::Fukuoka 2025

Avatar for karupanerura

karupanerura

November 15, 2025
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  1. @karupanerura • Software Engineer - DeNA Co., LTD. • Chief

    Director - Japan Perl Association • YAPC::Japan Organizer • Perl/Java/Go/TypeScript/AWS/GCP/etc...
  2. log

  3. logΛड͚औΔͻͱͨͪ • r?syslog • journald • fl uentd • AWS

    Cloud Watch • Google Cloud Logging • etc..
  4. logΛू໿orूܭ͢Δͻͱͨͪ • Amazon Redshift • Google Big Query • Apache

    Beam • Apache Spark • ֤छσʔλϕʔεor෼ࢄετϨʔδ • etc...
  5. Google Cloud Datastore • Google Cloud Firestore (Firebase Firestore) •

    Key-ValueܗࣜͷDocument Database • ݹ͘ͷGoogle Cloud Datastoreͱޓ׵ͷdatastore mode΋͋Δ • Key͕Range baseͰࣗಈతʹγϟʔσΟϯά͞ΕΔײ͡ • Key͕෼ࢄͯ͠Ε͹͋Μ·ߟ͑ͳͯ͘΋΄΅ແݶʹεέʔϧ͢Δ
  6. ४ϦΞϧλΠϜूܭ͢Δϩά • ΅͘͸Google Cloud Data fl owΛ࢖͍ͬͯΔ • Apache Beamͷ୅දతͳϥϯλΠϜ

    • ࠷ۙɺ͜ΕΛ࠷ߴศརͱࢥͬͯ࢖ͬͯΔͷͰ঺հ͍ͨ͠ • Ұൠతʹ͸ͨͿΜKafkaͱ͔Amazon Kinessisͱ͔……ʁ • ͋Μ·ଞͷ΍ͭͰ͜͏͍͏͜ͱͨ͜͠ͱͳ͍͔Βແ஌
  7. Apache Beam + Google Cloud Data fl ow • ந৅తʹσʔλͷύΠϓϥΠϯΛఆٛͯ͠෼ࢄج൫্Ͱ࣮ߦͰ͖Δ

    • ͪΌΜͱ෼ࢄ͠΍ͦ͢͏ʹఆٛͨ͠Βউखʹ෼ࢄͯ͘͠ΕΔ • σʔλྔʹԠ͍͍ͯ͡ײ͡ʹΦʔτεέʔϧ • ਨ௚ΦʔτεέʔϧͰ͋Δͱ͜ΖͷData fl ow Prime΋ۙ೥ग़ͨ • ετϦʔϛϯάόονॲཧ΋Ͱ͖Δ • σʔλϕʔεΛ΄΅શͳΊ͢ΔΈ͍ͨͳ༻్ʹ΋࢖͑Δ
  8. Claude Codeͷϩά • ϩʔΧϧʹు͔ΕΔ • ~/.claude/ ҎԼʹ͍Ζ͍Ζు͔ΕΔ • ͳΜ͔͏·͍͔͘ͳ͔ͬͨϩάΛݟฦͨ͠Γ •

    thinkingͷத਎Έͨ͘ͳΔ͜ͱ͋Γ·ͤΜʁ • ͍ͭ͜΋JSON LinesͰߏ଄ԽϩάͰѻ͍΍ͯ͘͢࠷ߴ
  9. Ή͔͠ • ϑΝΠϧγεςϜʹు͘ • ͳΜΒ͔ͷํ๏Ͱసૹ&ϩʔςʔγϣϯ • rsyslog+logrotated • fl uentd

    • ո͍͠ͱࢥͬͨΒsshͯ͠nice/ionice͚ͭͯtailf&grepͨ͠Γ • ༉அͯ͠ࡶʹ΍ͬͯ͠·ͬͯCPUுΓ෇͍ͯো֐ʹͳͬͨΓ
  10. ͍· • STDOUT/STDERRʹు͘ • ;͗͠ͳ͔ͪΒͰCloudWatch Logsͱ͔Cloud Loggingͱ͔ʹ͍͘ • ίϯςφؒͰڞ༗͢ΔϘϦϡʔϜʹు͘ •

    side-car͕ͳΜ΍͔Μ΍ͯ͠సૹ • ΞϓϦέʔγϣϯ͕όοΫάϥ΢ϯυεϨουͰૹΓ͚ͭΔ • ΍ͬͯΔͻͱ͸Έͨ͜ͱͳ͍