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