Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
20 Jan 2017 / Moving Beyond Borders - Mercari DAY
Search
Sponsored
·
SiteGround - Reliable hosting with speed, security, and support you can count on.
→
Sotaro Karasawa
January 20, 2017
Technology
16k
8
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
20 Jan 2017 / Moving Beyond Borders - Mercari DAY
Keynote presentation at #mercariday
Sotaro Karasawa
January 20, 2017
More Decks by Sotaro Karasawa
See All by Sotaro Karasawa
「事業目線」の正体 〜3つのフェーズのCTO経験から見えてきた、EMが持つべき視点 @ EMConf JP 2026
sotarok
9
8.2k
大「個人開発サービス」時代に僕たちはどう生きるか
sotarok
22
13k
P2B Haus法人サポータープランのご提案
sotarok
2
1.7k
ソフトウェアxスタートアップから見た飲食と配送の世界 / The World of Food Deliverlies and Restaurant Businesses from a Software and Startup Perspective
sotarok
2
1.3k
CTO 3度目の正直 / My 3rd CTO Career
sotarok
21
11k
Introduction to the Corporate Solutions Engineering at MTC2018
sotarok
1
36k
Mercari meetup for Corporate Engineering #1 / What is "Corporate Engineering"?
sotarok
2
2.5k
Markdown and WYSIWYG
sotarok
1
6.5k
PHPBLT の心得 / PHPBLT #5 @ペパボ
sotarok
5
3.7k
Other Decks in Technology
See All in Technology
Claude Codeとハーネスについて考えてみる
oikon48
18
8.9k
オブザーバビリティ、本当に活用できてる? 〜API連携×生成AIで成熟度を自動評価〜
dmmsre
1
2.4k
依頼文化をやめる日 EM視点で語るPlatform EngineeringとInclusive SRE / Discussing Platform Engineering and Inclusive SRE from an EM's Perspective
shin1988
4
4.5k
プロダクトだけじゃない、社内プロセスにおける自動化・省力化ノススメ
kakehashi
PRO
1
3.1k
AWS Blocks を触ってみた/first-tach-aws-blocks
fossamagna
2
150
NDIAS CTF 2026 問題解説会資料
bata_24
0
180
最適な自走を最小限の支援で — M&Aで拡大する組織で少人数SREが挑んだ1年 / SRE NEXT 2026
genda
0
560
勉強会企画をアプリで構造化してみた 〜そこで見えた、AIとの付き合い方〜 / I've structured a study group plan using an app.
pauli
0
330
Text-to-SQLをAgentCoreで実現し、生成されるSQLの精度を定量的に評価する
yakumo
2
700
プロンプト_きのこカンファレンス2026_LT
yurufuwahealer
0
150
Why is RC4 still being used?
tamaiyutaro
0
310
Oracle Exadata Database Service on Cloud@Customer X11M (ExaDB-C@C) サービス概要
oracle4engineer
PRO
2
8.4k
Featured
See All Featured
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
4.3k
AI: The stuff that nobody shows you
jnunemaker
PRO
8
770
Fireside Chat
paigeccino
42
4k
Rails Girls Zürich Keynote
gr2m
96
14k
Introduction to Domain-Driven Design and Collaborative software design
baasie
1
890
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
37
6.5k
Speed Design
sergeychernyshev
33
1.9k
StorybookのUI Testing Handbookを読んだ
zakiyama
31
6.8k
How to audit for AI Accessibility on your Front & Back End
davetheseo
0
460
Taking LLMs out of the black box: A practical guide to human-in-the-loop distillation
inesmontani
PRO
3
2.3k
Keith and Marios Guide to Fast Websites
keithpitt
413
23k
Producing Creativity
orderedlist
PRO
348
40k
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