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CTOʹٻΊΒΕΔͷ IVS CTO Night and Day Hatena Co., Ltd. @stanaka ! 2014/12/03
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Shinji Tanaka / ాத৻࢘ @stanaka / id:stanaka גࣜձࣾͯͳ ࣥߦһCTO ࠷ۙɺ౦ژʹӽ͖ͯ͠·ͨ͠ 2
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͖ͳٕज़ • ݴޠɿ Go • ΤσΟλɿ Emacs • AWSɿ S3 • ࣮ߦڥɿ Docker • σʔλετΞɿ MySQL
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[PR] Mackerel https://mackerel.io/
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CTOͱ? • Chief Technology Officer • VP Engineering $50ʹ ࣅͨϙδγϣϯ
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CTOͷׂ • Ұ൪ίʔυΛॻ͘ਓ • γεςϜΞʔΩςΫτ • Ϛωδϝϯτ͢Δਓ 71 &OHJOFFSJOH
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from CTO of Stripe IUUQCMPHHSFHCSPDLNBODPNpHVSJOHPVUUIFDUPSPMFBUTUSJQF
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CTOͷఆٛ • ͔ͬ͠Γͱͨ͠ఆٛࠔ • ձࣾͷنɾϑΣʔζͷґଘ • ࣄۀ༰ʹґΔ
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நతͳ͜ͱΑΓ ʮࣗͷܦݧʯ͔Β
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1 ͜Ε·Ͱͷ͋Β͢͡
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in the case of @stanaka • 2000/4 NTTݚڀॴೖࣾ • 2006/4 ͯͳೖࣾ • 2010/9 CTOഈ໋ • 2014/12 ΠϚίί
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2006ʙ2010 • ΞϓϦέʔγϣϯΤϯδχΞ • ΠϯϑϥΤϯδχΞ → Ϛωʔδϟ • ӡ༻ޮԽ(puppetಋೖ) • ԾԽ(Xen)ɾSSDಋೖ • Hatena Inc.։ઃ & ຊࣾژҠస
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ࣄ݅ CTOҎલ • 2007,2008 DCϒϨʔΧʔஅ • 2007? શһୀձࣄ݅ • 2008/4 SubversionϦϙδτϦഁଛ → gitҠߦ
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2010ʙ2014 • CTOަ • Πϯϑϥ͔Β࠶ͼαʔϏε։ൃ • GitHub Enterpriseಋೖ • Scala, Goಋೖ • ౦ژΦϑΟεʹΤϯδχΞ࠾༻࠶։ • ϦϞʔτϫʔΫ(ઓத)
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ࣄ݅ CTOҎޙ • 2012/1 SSDͷϑΝʔϜόά౿Έ DB࿈ଓμϯ • 2012/3 ͯͳϒοΫϚʔΫϘλϯԌ্ • 2014/11 υϝΠϯWHOISใͷվ᜵
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SSDͷϑΝʔϜόά౿Έ ಉ྅ͷ ݁ࠗࣜೋ࣍ձத ʹϝϯς࣮ࢪ
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2 CTOͱͯ͠ ҙ͖ࣝͯͨ͜͠ͱ
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CTOͱͯ͠Ռ͖ͨͯͨ͜͠ͱ • ΠϯϑϥपΓΞʔΩςΫνϟ • ΞϓϦɾΠϯϑϥٕज़બఆ • ΤϯδχΞϦϯάνʔϜཆ • ࠾༻ɾҭ
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CTOͱͯ͠ҙ͖ࣝͯͨ͜͠ͱ ʮٕज़໘ʯ ͱ ʮਓࡐ໘ʯ
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2.a ٕज़໘ͷ͜ͱ
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ٕज़໘ • ߈Ί • ٕज़తڝ૪༏Ґͷ ཱ֬ • कΓ • ίετཧ • εέʔϥϏϦςΟ Մ༻ੑ֬อ • ηΩϡϦςΟ୲อ
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߈Ί: ٕज़తڝ૪༏Ґͷཱ֬ • “Technology Company”Λ ඪᒗ͢ΔͷͰ͋Εɺ ੋඇࢦ͍ͨ͠ߴΈ ΤϯδχΞͷ ϩϚϯ
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ͦ͏؆୯Ͱͳ͍ • ʮ࣌ػΛݟۃΊΔͷઐՈͰ ͍͠ɻ͔͠͠উෛΛ͠ͳ͍ͱʹ ্͕Δ͜ͱ͢ΒͰ͖ͳ͍ɻʯ- ٕज़ͱ ࣌ػ IUUQSFTFBSDIQSFGFSSFEKQUJNJOH
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ٕज़ΛҰखஈͱଊ͑Δ • ७ਮͳٕज़తཁૉͰϏδωε༏ҐΛ ࡞ΔͷۃΊͯࠔ ˠ ੍Λٕज़తʹಥഁ/ճආͭͭ͠ɺ Ϗδωε্ͷ༏ҐΛங͘
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Ϗδωεͷٕज़తߩݙ • Ϗδωε্ͷڝ૪༏ҐΛཱ֬͢Δͨ Ίʹٕज़తʹߩݙ͢Δ • εϐʔυײͷ͋Δ։ൃ • ίϞσΟςΟԽ͍ͯ͠ͳ͍ٕज़ͷ ࠾༻
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कΓ: ίετཧ • ٕज़తෛ࠴ΛฦࡁՄೳͳϨϕϧʹ IUUQNBSUJOGPXMFSDPNCMJLJ5FDIOJDBM%FCUIUNM
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ٕज़తͳஅ • WAFબఆ • ։ൃݴޠબఆ • ϛυϧΣΞબఆ • ࣮ߦڥબఆ • ΞʔΩςΫνϟબఆ
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։ൃݴޠબఆ • Β͘Perl͕ओ࣠ • RubyपลπʔϧͰར༻ • ScalaɾGoͷ࠾༻ (2013)
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Scala, GoͷGood ɾ No good • Good • ܕ͚ݴޠʹΑΔݎ࿚ͳ։ൃ • ΤϯδχΞϞνϕʔγϣϯ্ • ࠾༻্ͷޮՌ • No good • ৽͍͠ݴޠΛษڧ͢Δ࣌ؒ(ίετ)͕ඞཁ
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৽͍ٕ͠ज़ͷ࠾༻ • جຊϘτϜΞοϓ͕ྑ͍ • ܧଓతʹϝϯς͢Δ͜ͱ೦಄ʹ ٕज़తෛ࠴ʹ ͳΓ͔Ͷͳ͍ ͰएखΛ εϙΠϧ͠ͳ͍Α͏ʹ
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࣮ߦڥબఆ • HDD → SSD • 2008Ն Intel X25-MϦϦʔεલ • ΦϯϓϨϛε → Ϋϥυ(AWS) • TokyoϦʔδϣϯ։ઃ࣌
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ΞʔΩςΫνϟબఆ • Microservices or Monolithic IUUQNBSUJOGPXMFSDPNBSUJDMFTNJDSPTFSWJDFTIUNM
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ٕज़બఆFacebookͰؒҧ͏ HTML5 vs Native IUUQTXXXGBDFCPPLDPNOPUFTGBDFCPPLFOHJOFFSJOHVOEFSUIF IPPESFCVJMEJOHGBDFCPPLGPSJPT
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ٕज़બఆͷํ • ͋Δఔอकతʹ • ॏཁͳͱ͜ΖͰΞάϨογϒʹ • அϛε࣌ͷఫୀ࿏೦಄ʹஔ͘
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कΓ: εέʔϥϏϦςΟଞ • εέʔϥϏϦςΟɾՄ༻ੑ • ηΩϡϦςΟ ॗʑͱ खൈ͖ͤͣʹ
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2.b ਓࡐ໘ͷ͜ͱ
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ਓࡐ໘ • ΤϯδχΞͱϚωδϝϯτ
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ΤϯδχΞͱϚωδϝϯτ IUUQUFOTIPLVNZOBWJKQJUFOHJOFFSLOPXIPXOBPZB@TVTIJ
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Ϛωδϝϯτͷલʹ.. • ΤϯδχΞͷΩϟϦΞύε • ઐ৬(εϖγϟϦετ) • Ϛωʔδϟʔ • ݚڀ৬?
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ઐ৬ = ϑϧελοΫΤϯδχΞ?? • ଟ༷Խ͢ΔϨΠϠʔ • ϑϩϯτʙόοΫΤϯυʙΠϯϑϥ • εϚʔτϑΥϯ • 3DάϥϑΟοΫΤϯδϯ • ػցֶशɾσʔλղੳ
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ϋʔυΣΞΤϯδχΞ
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શͯΛཏ͢Δͷඇݱ࣮త ͘͢ͳ͘ͱ ଟ͘ͷਓʹ
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εΩϧηοτͷϙʔτϑΥϦΦ • όοΫΤϯυ + ػցֶश • όοΫΤϯυ + εϚʔτϑΥϯ • ʮಘҙͳྖҬ + αʯΛૂ͏
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ඞཁेͳεΩϧηοτͷదԠ • Ϗδωε֎෦ڥͷมԽ ˠ ඞཁͳεΩϧηοτมԽ • ֤ΤϯδχΞͷੜ͖Γͱ ઌߦࢿͷόϥϯε εϚϑΥͷ ීٴɾ"84ͷ ོ
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Ϛωʔδϟʔ • ϓϩμΫτ։ൃΛਪਐ͢Δ • ΤϯδχΞΛϞνϕʔτ͢Δ • ։ൃϓϩηεΛ͑Δ
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ΤϯδχΞͷϞνϕʔγϣϯ • ։ൃνʔϜͷੜ࢈ੑʹ݁ • ίϛϡχέʔγϣϯͷॏཁੑ
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ΤϯδχΞͷίϛϡχέʔγϣϯ • Ͱ͖Δ͚ͩଟ͘ͷ͜ͱΛใڞ༗ • ΤϯδχΞϦϯάͷཧղ
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ʮਆࡉ෦ʹ॓Δʯ • ݱ͔ΒΕΔͱࡉ෦Λܰࢹ͕ͪ͠ • ͳΜͱͳ͔ͬͨ͘ؾʹͳΒͳ͍ • ؆୯ʹݟ͑Δ͜ͱͰ؆୯ʹͰ͖ ΔͱݶΒͳ͍ • ܦݧ͕͋ΔΤϯδχΞͰؕΓ͕ͪ
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։ൃϓϩηεΛ͑Δ • εΫϥϜ • πʔϧಋೖ(GitHub, Slack) • ಇ͖ํͷଟ༷ੑ(ϦϞʔτϫʔΫ)
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εΫϥϜ
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πʔϧಋೖ
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ϦϞʔτϫʔΫ ౦ژຊళ ژຊࣾ Ѫ ग़ுઌ
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ϦϞʔτϫʔΫͷӡ༻ • ίϛϡχέʔγϣϯΛΑΓॏࢹ͢Δ • ҰਓͰ·ΔͷΛආ͚Δ • ϊϋ͕ڞ༗͞Εͳ͍ͷΛආ͚Δ • ಓ۩ɾπʔϧʹͩ͜ΘΔ
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ϦϞʔτͰϛʔςΟϯά
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ϦϞʔτϫʔΫࢀߟຊ
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3 CTOʹ ٻΊΒΕΔͷ
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CTOͱͯ͠ҙ͖ࣝͯͨ͜͠ͱ(࠶ܝ) ٕज़໘ ͱ ਓࡐ໘
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ৼΓସ͑ͬͯΈΔͱ… • ࣦഊڪΕΔ͖Ͱͳ͍ • ͨͩ͠ୀ࿏֬อ͢Δ • ϘτϜΞοϓͰ࣮ߦ͢Δ • ࣦഊͯ͠ܦݧΔ
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CTOʹٻΊΒΕΔͷ ٕज़ͱਓͷʹରͯ͠ ͑Λग़࣮ͯ͠ߦͰ͖Δ
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Q&A