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20 Jan 2017 / Moving Beyond Borders - Mercari DAY
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Sotaro Karasawa
January 20, 2017
Technology
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20 Jan 2017 / Moving Beyond Borders - Mercari DAY
Keynote presentation at #mercariday
Sotaro Karasawa
January 20, 2017
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Transcript
Moving Beyond Borders mercari DAY #mercariday Sotaro Karasawa / @sotarok
CTO, Executive Officer
Welcome to #mercariday
Engineering Team of Mercari
San Francisco London Tokyo
Tokyo 60+ Engineers • 2013~ • ϝϧΧϦͷ։ൃͷத৺ • ֤ڌͷӡ༻ߦ͏ •
࠾༻ɺڭҭɺͯ͢ͷ ։ൃ৫ͷػೳ
San Francisco 8 Engineers • 2014~ • αʔϏεΛ "ϩʔΧϥ Πζ"
͢Δ • ݴޠ͚ͩͰͳ͘ɺจԽɺ श׳ͳͲΛؚΊͨϩʔ ΧϥΠζ
London 4 Engineers • 2016~ • ৽ڌͰͷαʔϏεཱͪ ্͛ • ϩʔΧϥΠζͪΖΜ
• ݱͷ๏ྩʹద߹ͤ͞ ΔͨΊ
Project Teams • ϛογϣϯΛ࣋ͭνʔϜ • ྫ: ചΓखͷମݧΛ࠷ߴʹ͢ΔνʔϜ (Seller UX Team)
• ͜ΕΒͷνʔϜ͕ɺશࣾͰ࢛ظ͝ͱʹఆΊΔ OKR (Key Objective) ʹ͔ͬͯ։ൃΛ͢Δ • νʔϜߏ • 5-10 ਓఔͷ1νʔϜ • ϓϩμΫτϚωʔδϟʔɺϓϩσϡʔαʔɺΤϯδχΞɺQA • σβΠφʔͷΑ͏ͳԣ۲ͷνʔϜ͕ؔΘΔ
Mission Specified Teams • SRE • Site Reliability Engineer •
"͍ͭͰɺշదɺ҆৺ɺ҆શʹαʔϏεΛ͑ΔΑ ͏ʹ͢Δ" νʔϜ • SET • Software Engineer in Test • ։ൃڥɺςετڥɺࣗಈςετͳͲɺΤϯδχϯ άͷྖҬ͔ΒϝϧΧϦͷ࣭Λࢧ͑Δ
The Strategy and The Philosophy
• ͳʹΑΓϢʔβʔʹՁΛಧ͚Δ͜ͱΛ࠷༏ ઌʹ͢Δ • ٕज़ͪΖΜେࣄ • ͚ͩͲ "͜ͷٕज़Λ͍͍͔ͨΒ" ͱ͍͏Ϟν ϕʔγϣϯͰͳ͍
• ͦΕͰͲΜͳՁΛಧ͚Δ͔? ϓϩμΫτϑΝʔετ
ਐΈͳ͕Β͢ • ։ൃΛଓ͚͍ͯΕɺવ "ٕज़తෛ࠴" ͭΈ͔ ͞ͳΔ • ͪΖΜ͍ͭɺ"ͦͷͱ͖ਖ਼͍͠" • ͍͔ͯ͠ͳ͚Ε͍͚ͳ͍
͔͠͠ɺॏཁͳͷαʔϏεͱͯ͠͠ଓ͚Δ͜ͱ => ͨ͢ΊʹาΈΛࢭΊͯ͠·ͬͨΒҙຯ͕ͳ͍ ... ܾண͕͍ͭͯ͠·͏
దࡐదॴͷٕज़બ • ಛఆٕज़ͷͩ͜ΘΓ • ϓϩϑΣογϣφϧͱͯ͠ͷͩ͜ΘΓͪΖΜ ॏཁ • ͔ͦ͠͠ΕԿΛ͢ΔͨΊ͔? Ͳ͏͋Δ͖͔ͩΒ ͳͷ͔?
• PHP, Go, Swift, Objective-C, Java, Python ... etc. ͦͷΛղܾ͢ΔͨΊʹඞཁͳٕज़ͳʹ͔?
ϛογϣϯɾόϦϡʔ • ϝϧΧϦͷϛογϣϯ • ৽ͨͳՁΛੜΈͩ͢ੈքతͳϚʔέοτϓϨΠε ΛΔ • όϦϡʔ • Go
Bold • All for One • Be Professional ͜ΕΒΤϯδχΞͱͯ͠ڞ௨ͷߦಈݪཧɾՁ؍
Hiring Engineer
• ίʔυΛݟΔ͜ͱͳ͘࠾༻Λ͠ͳ͍ • ·ͨɺݟΔ͖ "PHPྗ" ͳͲͷಛఆͷٕज़ ྖҬͷࣝͰͳ͍ • ಛఆͷٕज़ྖҬʹݶఆ͞Εͳ͍ɺઃܭྗɺൃ ྗɺԠ༻ྗ
ٕज़՝ͱٕज़໘
• ʮΤϯδχΞܦݧͷ͋ΔਓࣄʯʮͪΐͬͱΘ͔ ΔਓࣄʯͰͳ͘ɺΤϯδχΞ͕ਓࣄ • όϦόϦίʔυͷ͔͚ΔɺୈҰઢͰઓ͑ΔΤϯδ χΞ͕ϑϧίϛοτ • ީิऀʹͱͬͯɺϝϧΧϦͷ։ൃΛཧղ͢͠ ͘ັྗʹࢥͬͯΒ͑Δ ΤϯδχΞਓࣄ
• ৽ଔ࠾༻Λ ϝʔϧΞυϨεͱ GitHub ͷ URL ͚ͩͰԠืͰ͖ΔΑ͏ʹͯ͠Έͨ • ఆܕจΛίϐϖͨ͠ཤྺॻΑΓɺ࠷Θ͔Γ ͍͢Ξτϓοτ
• (ͪΖΜࢦඪͦΕ͚ͩͰͳ͍͚ΕͲ) • ଞࣾͱҟͳΔ͜ͱΛࢼ͍ͯ͘͠ GitHub ΤϯτϦʔ
Trainings and Careers
• શһඞͣϝϯλʔΛ͚ͭΔ • ͳΜͰฉ͚Δઌഐࣾһ • ຖͷ 1on1 • ࠔͬͨ͜ͱɺͯ͠ཉ͍͜͠ͱ ϝϯλʔ
• શһ CS ݚम • ϢʔβʔʹҰ൪͍ۙͱ͜ΖΛܦݧ͢Δ • ࣮ࡍʹCSۀΛߦ͏ • SRE
ݚम • ৽ଔ1ϲ݄·Δ·ΔSREͱͯ͠ࣄ SREݚमɺCSݚम
• ࢛ظ͝ͱͷϓϩδΣΫτͷߩݙʹՃ͑ɺٕ ज़ߩݙΛධՁ͢Δ • ϦϑΝΫλϦϯάυΩϡϝϯςʔγϣϯɺ৽ ͍ٕ͠ज़ͷτϥΠͳͲͳͲ ... • ٕज़తͳ՝ײͱɺͦΕͷऔΓΈ ٕज़ධՁ
ΩϟϦΞ ΤϯδχΞ ΤϯδχΞϦϯάϚωʔδϟʔ ϓϦϯγύϧΤϯδχΞ
• ৫ͷ໘͔ΒϝϧΧϦͷΤϯδχΞϦϯάΛࢧ ͑Δ • ܦӦɺϓϩμΫτϚωʔδϟʔͱͷ։ൃ໘ͷΧ ϯλʔύʔτ ΤϯδχΞϦϯάϚωʔδϟʔ
• ϓϩϑΣογϣφϧ৬ • ٕज़ͷ໘͔ΒϝϧΧϦͷΤϯδχΞϦϯάΛࢧ ͑Δ • ಛఆ·ͨෳͷٕज़ྖҬͰͷӽٕͨ͠ज़ྗɺ ·ͨɺͦΕʹΑΔࣄۀߩݙ ϓϦϯγύϧΤϯδχΞ
• άϨʔυಉ • ࠷લઢͰ׆༂͢ΔΤϯδχΞɺܦӦਞͱಉ ͡ϨϕϧͷධՁΛ͏͚Δ ϚωʔδϟʔͱϓϦϯγύϧ
ΤϯδχΞͷ ࣗൃతͳߦಈΛࢧԉ͢Δ੍ɾڥ
• ϒϩάΛॻ͘͜ͱɺൃද͢Δ͜ͱ • ΧϯϑΝϨϯεͰͷൃදɺւ֎ͰࠃͰɺ ͯ͢ͷඅ༻Λෛ୲ɺͪΖΜग़ுѻ͍ Ξτϓοτਖ਼ٛ
• ʮւ֎ΧϯϑΝϨϯεͷࢀՃʯ • (ௌߨऀͱͯ͠) • Ξτϓοτ͍ͯ͠Δਓʹͦͷݖར͕͋Δ • ීஈ͔Βϒϩάॻ͘ɺOSS׆ಈɺษڧձͰͷൃදͳͲ • ߤඅɺνέοτɺ॓ɺͯ͢ෛ୲
• ͪΖΜग़ۈͱͯ͠ྑ͍ Ξτϓοτ͢ΔਓʹΠϯϓοτͷݖརΛ
• ݄1ͷʮͳʹͯ͠ྑ͍ʯ • ϓϩδΣΫτҎ֎ͷ͜ͱʹऔΓΉ • ϦϑΝΫλϦϯάɺυΩϡϝϯςʔγϣϯɺ৽͍͠ ٕज़ͷτϥΠɺϒϩάΛॻ͘ɺͳͲͳͲ • ͋Β͔͡ΊΛఆΊΔ͜ͱͰߦಈΛى͘͜͢͢͠ ΔɺඇΤϯδχΞ͔Βͷڠྗಘ͍͢
Be Professional Day ࢀߟ: ޫ͍Λࠀͯ͠composerΛ10ഒͨ͘͠ http://tech.mercari.com/entry/2016/02/01/164829
• ݸਓͷςετ༻ΠϯελϯεɺΫϥυ্ͷ৽αʔϏεΛࣗ ༝ʹ͏͜ͱ͕Ͱ͖Δ • SSOαʔϏεΛར༻ͯ͠ɺձࣾΞΧϯτʹݸਓݸਓͷڥ Λఏڙ • ؾʹͳΔAWSαʔϏεGCPαʔϏεΛࢼ͢ ... ɺbot࡞Δ͔
ΒαʔόʔΛ ... ɺػցֶशࢼ͔͢ΒGPUΠϯελϯεΛ ... ͳͲ • ؾܰʹࢼ͢ → Կ͔ͭ͘Δ • ʮԿ͔Ϟϊ͕͋Δʯ͜ͱ͕ਓΛಈ͔͢ AWS ͱ GCP
• ݸਓใɾϓϥΠόγʔใͷϚεΫ͞Εͨຊ ൪DBͷϨϓϦέʔγϣϯ • ੜͷσʔλΛ͙͢ʹѻ͑Δ • ͳΜͰूܭɺͳΜͰࢼ͢ • ݸਓςετ༻ AWS
ͳͲ͔Βͭͳ͛Δ anon db
• ৽͍͠ MacBook Pro ͷަͪΖΜOK ି༩PC͕͍ͭͰަՄೳʹͳΓ·ͨ͠ - ຊ࣭Λ ߟ͑ɺେʹϧʔϧվม http://mercan.mercari.com/entry/2016/12/05/140000
ି༩PC͍ͭͰަOK (͓·͚)
The Challenge
• JP <- 9 hours -> UK <- 8 hours
-> US • ཱࣗͨ͠νʔϜͰ͋Γͭͭίϛϡχέʔγϣϯ ΛͱΔ • Chromebox (Hangout༻STB) • ग़ு • ʮՈ͔ΒMTGࢀՃ͔ͯ͠Βग़ࣾ͠·͢ʯ ڌΛ·͍ͨͩ։ൃνʔϜ
• ικࣾʮϝϧΧϦΞοςʯ • ࣠ϝϧΧϦɺ͚ͩͲ৽͍͠νϟϨϯδͯ͠ ͍͘ ࣄۀͷ֦େͱଟ֯Խ
• ৽͍ٕ͠ज़ͷνϟϨϯδ • (ͪΖΜࣗൃతͰ͋Γͳ͕Β) • ͱΕΔબࢶ͕૿͑Δ • ΤϯδχΞΛҭͯΔ ٕज़ྖҬɺબͷଟ༷Խ
• ڌ++ • ਓ++ • νʔϜ++ • ੈքతͳϚʔέοτϓϨΠεΛ࣮ݱ͢ΔͨΊʹ ඞཁͳ͜ͱ ϓϩμΫτνʔϜͷ֦େ
Moving Beyond Borders
• αʔϏεΛຊ͚ͩͰͳ͘ੈքͰల։͍ͯ͘͠ • ͦͷͨΊͷࠃڥΛ͑ͨ։ൃνʔϜΛ࡞͍ͬͯ ͘ • ͜Ε·Ͱ͑ΒΕͳ͔ͬͨͷΛ͍͑ͯ͘
Today's Highlight
15:00 This is mercari, This is a SRE. ࠤʑ ݈Ұ
15:20 ্࣭ͷऔΓΈ ླ ਅ 15:45 άϩʔόϧల։Λࢧ͑ΔྔࢠతͳαʔϏεઃܭ த 16:05 ΞϓϦϑΝʔετͷӨͰؤுΔWebͷ ࡔຊ ݁ҥ 16:30 ϝϧΧϦiOSΞϓϦ։ൃͷݱঢ়ͱ͜Ε͔Β ੴ थ 16:50 High ҙࣝ Android ߴࢁ େ 17:15 ΤϯδχΞͷ৫ͱ࠾༻ ύωϥʔɿ৽Ҫ ܒଠ/Ԭ ୡ/ֿݪ ݡ༞ ϞσϨʔλʔɿฑ ૱ଠ
17:15 ΤϯδχΞͷ৫ͱ࠾༻ ύωϧσΟεΧογϣϯ ฉ͖͍ͨ͜ͱडத http://bit.ly/merday-qa
#mercariday