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
ISUCON3 - ISUCON Makers Casual Talks
Search
FUJIWARA Shunichiro
December 10, 2014
Programming
3
810
ISUCON3 - ISUCON Makers Casual Talks
FUJIWARA Shunichiro
December 10, 2014
Tweet
Share
More Decks by FUJIWARA Shunichiro
See All by FUJIWARA Shunichiro
alecthomas/kong はいいぞ
fujiwara3
6
1.3k
ecspressoの設計思想に至る道 / sekkeinight2025
fujiwara3
12
2.3k
さくらのIaaS基盤のモニタリングとOpenTelemetry/OSC Hokkaido 2025
fujiwara3
3
1k
監視のこれまでとこれから/sakura monitoring seminar 2025
fujiwara3
11
4.9k
k6による負荷試験 入門から日常的な実践まで/Re:TechTalk #01
fujiwara3
2
110
困難を「一般解」で解く
fujiwara3
10
3.7k
「隙間家具OSS」に至る道/Fujiwara Tech Conference 2025
fujiwara3
7
12k
alecthomas/kong はいいぞ / kamakura.go#7
fujiwara3
1
1.1k
ISUCONに強くなるかもしれない日々の過ごしかた/Findy ISUCON 2024-11-14
fujiwara3
11
1.4k
Other Decks in Programming
See All in Programming
SwiftでMCPサーバーを作ろう!
giginet
PRO
2
220
構文解析器入門
ydah
7
2k
JetBrainsのAI機能の紹介 #jjug
yusuke
0
180
大規模FlutterプロジェクトのCI実行時間を約8割削減した話
teamlab
PRO
0
430
MCP連携で加速するAI駆動開発/mcp integration accelerates ai-driven-development
bpstudy
0
250
The Niche of CDK Grant オブジェクトって何者?/the-niche-of-cdk-what-isgrant-object
hassaku63
1
740
What's new in Adaptive Android development
fornewid
0
130
CEDEC 2025 『ゲームにおけるリアルタイム通信への QUIC導入事例の紹介』
segadevtech
2
720
オホーツクでコミュニティを立ち上げた理由―地方出身プログラマの挑戦 / TechRAMEN 2025 Conference
lemonade_37
1
430
Claude Code派?Gemini CLI派? みんなで比較LT会!_20250716
junholee
1
790
Android 15以上でPDFのテキスト検索を爆速開発!
tonionagauzzi
0
180
リッチエディターを安全に開発・運用するために
unachang113
1
350
Featured
See All Featured
Raft: Consensus for Rubyists
vanstee
140
7k
The Myth of the Modular Monolith - Day 2 Keynote - Rails World 2024
eileencodes
26
3k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
161
15k
We Have a Design System, Now What?
morganepeng
53
7.7k
How GitHub (no longer) Works
holman
314
140k
Making Projects Easy
brettharned
117
6.3k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
21
1.4k
Automating Front-end Workflow
addyosmani
1370
200k
KATA
mclloyd
31
14k
Mobile First: as difficult as doing things right
swwweet
223
9.8k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
332
22k
A designer walks into a library…
pauljervisheath
207
24k
Transcript
ISUCON'Makers'Casual'Talks ISUCON'3 2014/12/10&@fujiwara
About&me @fujiwara ISUCON'1,'2'༏উ'(fujiwara) ISUCON'3'ग़ ໘ന๏ਓΧϠοΫ
ग़ͷܦҢ ISUCON'1,'2'fujiwara࿈ʂ 2ͷ࠙ձʮग़͍ͯͩ͘͠͞Αʯʮ͍ʂʯ CROSS%2013%@941͞Μʹ͓ئ͍͞ΕΔ
Timeline 2013/1&CROSS&2013 2013/4'ΧϠοΫٕज़෦৽ଔݚमʮࣾISUCONʯ 2013/6'@941͞ΜͱϛʔςΟϯά 2013/7/31'ग़࡞ઓձٞ 2013/9/21'YAPC::Asia'2013'ʮࣾISUCONͷͭ͘Γ͔ͨʯൃද 2013/10/5,6)ISUCON)3)ΦϯϥΠϯ༧બ 2013/11/9'ISUCON'3'ຊબ
ISUCON'1,2'ͱ'3'ͷҧ͍ ΦϯϥΠϯ༧બ 2ճɺผͷΛ࡞Δ
ࣾISUCON ৽ଔݚमͷҰ ओʹαʔόαΠυΛΔΤϯδχΞ͚ HTTPΛֶͿ$→$WebΞϓϦΛ࡞Δ ࡞ͬͨΞϓϦͰISUCON! github.com/kayac/newbie2training
ࣾISUCON ݚमͷҰͷͨΊૉͳग़ • ੩తϑΝΠϧΛΞϓϦαʔό͕৴ • ΠϯσοΫε͕ுΒΕ͍ͯͳ͍ςʔϒϧ • ϧʔϓதͰΫΤϦ͕ඈͿ ੩తϑΝΠϧΛwebαʔό৴$+$ΠϯσοΫεΛదʹுΔ$+$ϧ ʔϓΫΤϦΛJOINʹॻ͖͑
→$είΞ20ഒ
ࣾISUCONͰͷܦݧ • Ր༵"WebAppॻ͘ • ਫ༵"ςετॻ͘ • ༵"ϕϯνϚʔΫॻ͘ • @acidlemon"ʹղ͍ͯΒ͏ •
༵ۚே͔Β"ISUCON (னؒݚमͷߨࢣۀ)
ࣾISUCONͰͷল • ్தͰϕϯνϚʔΫϗετ"㱻"֤VMͷଳҬةͳ͍ • ଳҬ͕͢ΔͱείΞ͕͔ࠩͳ͘ͳΔ • ్தͰ"Accept-Encoding: gzip"Ճ
2013/7/31 ग़࡞ઓձٞ !@fujiwara! !@acidlemon !@typester! !@songmu
memo ը૾ϦαΠζ ಉ࣌ଓܥɺνϟοτɺϨΠςϯγ push͔ΒͷҰ੪ΞΫηεΛΤϥʔʹ͠ͳ͍Ͱ͑Δ ಉใ RedisͬͯΔ͚Ͳ͍ํѱ͍ mongo git href="" PostgreSQLೖΕ͓ͯ͘
ຊબʹ࠾༻ • ը૾ϦαΠζ • ಉ࣌ଓܥɺϨΠςϯγ • Ұ੪ΞΫηε ༧બʮຊબͷωλόϨʹͳΒͳ͍ʯͷ
10/5,6'ΦϯϥΠϯ༧બ
༧બग़༰ Github'GistͷΑ͏ͳͷ ϩάΠϯػೳɻCookieʹΑΔηογϣϯҡ͕࣋ඞཁ ϓϥΠϕʔτߘػೳɻϓϥΠϕʔτઃఆ͞ΕͨͷϩάΠϯ ͍ͯ͠ΔϢʔβࣗʹ͔͠ݟ͑ͳ͍ MarkdownܗࣜͰߘ ʴ!᠘తͳઃఆ
༧બͷҙਤ ໌Β͔ʹຊબग़ʹ࣮ྗͷΓͳ͍νʔϜΛ;Δ͍མͱ͢ ×"੩తϑΝΠϧΛΞϓϦαʔό͕৴ ×"ΠϯσοΫε͕ͳ͍ςʔϒϧ ×"ϧʔϓΫΤϦ ×"Markdownมʹ֎෦ίϚϯυىಈ ී௨ͷWebΞϓϦͱͯ͠μϝͳ࣮ΛͤΕߴείΞʹ ʴ$Ϙʔφεͱͯ͠ʮ᠘ʯΛΫϦΞͯ͠Ճ
༧બ४උ ʙ!9/17!ग़ͷϓϩτλΠϓGoͷϕϯνΫϥΠΞϯτԾ࣮ 9/25ʙ%@acidlemon%ʹղ͍ͯΒ͍͡ΊΔ 9/30%/recent/*%ΛՃ 10/2,3'Ruby,'Python,'Go,'Node,'PHP'Ҡ২ 10/5,6'ISUCON3'༧બ
༧બ ͔ࣗΒIRCͰαϙʔτ
༧બͷʮ᠘ʯ
MySQL&InnoDB&memcached&plugin MySQL&5.6ͷ৽ػೳ • memcached(protocolͰMySQLͱ௨৴Ͱ͖Δ • port(11211(Λ(Listen • ΞϓϦέʔγϣϯ͔Βηογϣϯอଘʹ༻ • port(11212(Ͱී௨ͷ(memcached(ىಈͯ͋͠Δ
• ॳظঢ়ଶͰ༻͍ͯ͠ͳ͍
ҙຯͷͳ͍!CSS!link <link rel="stylesheet" href="/"> • ϕϯνϚʔΧʔϦϯΫΛḷͬͯ"/"ʹϦΫΤετΛඈ͢ • ͔͠͠είΞ"0 • PageViewͰͳ͍ͱ͍͏ѻ͍
• HTML͔Βআ͢ΔͱϦΫΤετ͠ͳ͘ͳΔ
ҰൃΞτͰͳ͍ݮํࣜ fail=3·Ͱݮͳ͠ failͷࣗ%&(ͨͱ͑&fails=6&ͳΒ& )&Λݮ fail%>=%13%Ͱ% %ݮʹͳΔͷͰείΞ%0
༧બͷল • είΞϦϯάͷৄࡉ͕ެ։͞Ε͍ͯͳ͔ͬͨ • /recent/*"ʹର͢ΔϕϯνϚʔΧʔͷνΣοΫ͕͔ͬͨ • ͋ͱ͔ΒՃͨ͠෦ • ͜͜Λ"Cache"͢ΔͱΑ͘ճΔ
༧બϕϯνϚʔΧʔ • Go • ࢀՃऀ͕ࣗ༝ʹͳΔϗετͰಈ࡞͢ΔͨΊɺղੳ͞Εʹ͍͘ Α͏ʹ • --workload$Φϓγϣϯॳಋೖ • ISUCON$1,2ͰௐͰ͖ͳ͔ͬͨ
༧બϕϯνϚʔΧʔ • ੩తϑΝΠϧ͚ͩΞΫηε͢Δ"sta&c"worker • ϦΫΤετ͝ͱʹ"10ms"wait • /recent/*"͚ͩΞΫηε͢Δ"recent"worker • ϩάΠϯɺߘɺӾཡɺϩάΞτɺӾཡΛ܁Γฦ͢"main" worker
༧બϕϯνϚʔΧʔ !͕߹ܭ!worker! w=1$>$ $(sta*c=1,$recent=1,$main=6) w=2$>$ $(sta*c=2,$recent=2,$main=14) w=3$>$ $(sta*c=3,$recent=3,$main=28)
༧બϕϯνϚʔΧʔͷʮ݀ʯ recent&worker& • wait&ͳ͠ʹճΔ • දࣔཁૉ͕ߋ৽͞Ε͍ͯΔ͔Ͳ͏͔ͷνΣοΫΛͯ͠ͳ ͍ʂʂʂ /recent/*!ΛΩϟογϡͯ͠ߴʹฦ͢ͱ!είΞ↑↑
༧બͷল είΞࢉग़ͷৄࡉެ։͢͠ աͳʮ᠘ʯΑ͘ͳ͍ ϕϯνϚʔΧʔͷ݀Ͱ͖ΔݶΓ௵͢͠
11/9$ຊબ
ຊબग़ʹͨͬͯ ʮ᠘ʯΊΑ͏ ෳαʔόΛ༗ޮʹ͑Δग़ʹ͠Α͏
ຊબ୲ !@fujiwara!ɺϕϯνϚʔΫɺείΞूܭγεςϜ !@acidlemon!ࣄલղɺϕϯνϚʔΫνΣοΫɺΦʔϓχϯ άɺϨΪϡϨʔγϣϯ !@handlename:!nodeҠ২ɺಈ࡞֬ೝ !@mix3:!GoҠ২ɺಈ࡞֬ೝ !@nobu_ohta:!RubyҠ২ɺPythonҠ২ !@m0t0k1ch1:!PHPҠ২ɺ෧σβΠϯ
ຊબ४උ 10/17%ΩοΫΦϑ 10/29%ग़ͱϕϯνϚʔΧʔϓϩτλΠϓͰղ͖࢝ΊΔ%ଟݴޠҠ ২։࢝ 11/5%5ߏͰղ͘,%ຊ൪༻αʔόࠐΈ 11/7%ຊ൪αʔό্Ͱςετ։࢝ 11/8%݁Ռूܭը໘࡞ɺσόοά 11/9%ISUCON3%ຊબ
ຊબग़༰ ը૾ߘ͕Ͱ͖ΔSNS HTMLΛฦ͢෦ͳ͘ɺJSON)APIͷΈ ϢʔβΛϑΥϩʔͰ͖ΔɻϑΥϩʔ͍ͯ͠ΔϢʔβͷߘ͕ྲྀΕ ͯ͘Δ Long%polling%API%͋Γ ϕϯνϚʔΧʔը૾Λߘͨ͠ΓJSONΛऔಘͨ͠Γ͢Δ
είΞࢉग़ํ๏ Լهͷ!(a)+(b)+(c)!͕૯߹είΞ (a)$ߘεϐʔυ$=$ϨεϙϯελΠϜ͕͍΄ͲߴείΞ (b)$λΠϜϥΠϯө$=$ߘͨ͠ΤϯτϦͷใ͕ө͞Ε Δͷ͕͍΄ͲߴείΞ (c)$ͦͷଞϦΫΤετ$=$1
είΞࢉग़ํ๏ ϨεϙϯελΠϜʹґଘ͢ΔείΞҎԼͷܭࢉࣜʹΑΔ 5"sec"="1 1"sec"="3.3 100"msec"="6.64 10"msec"="9.9
ຊબͷϙΠϯτ 5ͷαʔόΛͲ͏͏͔ ॳظঢ়ଶͰ1ͷΈʹΞϓϦέʔγϣϯ͕ىಈ͍ͯ͠Δ 2ʙ4ʮۭʯ(OSɺϛυϧΣΞͷॳظઃఆͷΈ) ଳҬ1͋ͨΓ • eth0&:&100Mbps&(ϕϯνϚʔΧʔ͕ΞΫηε) • eth1&:&1Gbps&(ࣗ༝ʹ͑Δ)
ຊબͷϙΠϯτ ը૾ͷϦαΠζΛ͍ͭߦ͏͔ ॳظঢ়ଶϦΫΤετ͝ͱʹຖճಈతੜ 1. ߘ࣌ʹ#S,#M,#L#ͷ3αΠζ#+#ΦϦδφϧΛશͯੜ͠อଘ 2. ߘ࣌ΦϦδφϧͷΈอଘ͠ɺαϜωΠϧӾཡ࣌ʹੜ ※!શͯͷαϜωΠϧ͕ϦΫΤετ͞ΕΔΘ͚Ͱͳ͍
ຊબͷϙΠϯτ ը૾ͷϦαΠζΛԿͰߦ͏͔ ॳظ࣮!ImageMagick!convert!ίϚϯυΛ(֎෦)࣮ߦ • ը૾ϥΠϒϥϦʹΑͬͯม݁Ռʹࠩҟ͕ͰΔ • ը૾Λൺֱ͢ΔπʔϧΛఏڙɻϦϑΝϨϯε࣮ͱͷޡ͕ࠩҰ ఆҎԼͰͳ͍ͱfail
ຊબͷϙΠϯτ Long%poll%API%ΛͲ͏ߴԽ͢Δ͔ ॳظ࣮2ඵsleepͯ͠ฦͤΔͷ͕͋Δ͔νΣοΫ • ฏۉϨεϙϯελΠϜ͕1ඵʹͳΔ • ԿΒ͔ͷΠϕϯτ௨Λར༻ͯ͠ߴʹөͰ͖ΔͱߴείΞ
ຊબͷϙΠϯτ ଳҬΛ͍͔ʹຒΊΔ͔ ϕϯνϚʔΧʔ࠷େ!100Mbps! !5!=!500Mbps!Λ͑Δ Ͱ͖Δ͚ͩଟ͘ͷϗετ͔Β৴͢ΔͱଳҬΛ༗ޮʹ͑Δ
ຊબϕϯνϚʔΧʔ Perl%(Furl%+%AnyEvent) post:&ΞΠίϯͱΤϯτϦΛPOSTɺαϜωΠϧΛGETͯ֬͠ೝ view:&ը૾ΛGET&(0.5&sec&sleep) check:&ϢʔβݖݶʹΑΓݟ͑Δݟ͑ͳ͍ͷݖݶνΣοΫ crawl:&·ͣϩάΠϯ͔ͯ͠ΒλΠϜϥΠϯ(Long&poll)ʹுΓ͘ ?meline:&λΠϜϥΠϯʹுΓ͖ɺྲྀΕ͖ͯͨϢʔβΛfollowɺ ը૾ΛGETͳͲ 6"process(post,"view,"check,"crawl"֤×1"5meline"×"2)"/"workload
ຊબϕϯνϚʔΧʔͷଳҬ੍ޚ LVS$Ͱ$localhost:[νʔϜʹରԠ͢Δport]$͔Βϕϯν૬खʹ$NAT ϕϯνϚʔΫϦΫΤετ࣌ʹ!NAT!ઌͷෳϗετΛ!on!/!off QoS$github.com/matsumoto1r/qos1control tc#ͷ#wrapper.#100Mbps#ʹ੍ݶ
ຊબͷল ଟগͷτϥϒϧ͋ͬͨͷͷ͓͓ΉͶָ͠ΜͰ͑ͨ • ϕϯνϚʔΧʔͷෳΓସ͑όά • Pythonॳظ࣮Ͱ·Εʹ(Fail(͢Δ • tmpfile(ͷ(flush(λΠϛϯά ࠷ޙ!Fail!͢ΔνʔϜ͕ଟ͔ͬͨͷ͕೦
None