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
The Technology behind pixiv Infrastructure
Search
Harukasan
PRO
November 30, 2013
Technology
10
3.8k
The Technology behind pixiv Infrastructure
pixivのインフラを支える技術2013
at Python Developers Festa 2013.11
Harukasan
PRO
November 30, 2013
Tweet
Share
More Decks by Harukasan
See All by Harukasan
20240401 新卒研修 - ピクシブにおける技術領域
harukasan
PRO
1
520
ピクシブのコンテンツ配信基盤技術 / pixiv TECH SALON
harukasan
PRO
5
5k
Goにおける画像ファイル処理 / golang.tokyo #19
harukasan
PRO
7
6.2k
WebRTC動画をトランスコードする / Transcoding video streams from WebRTC
harukasan
PRO
5
1.4k
ImageFluxを支えるリモート開発 / 20171202
harukasan
PRO
2
1.7k
YAPC::Fukuoka 前夜祭LT / Yet Another Pawoo Commit logs
harukasan
PRO
0
2.8k
YAPC::Fukuoka lunch session
harukasan
PRO
1
2.8k
マストドン会議: Pawoo / Mastodon Kaigi2
harukasan
PRO
2
400
大規模Mastodonインスタンスを運用するコツ / Inside Pawoo Mastodon infrastructure
harukasan
PRO
0
2.9k
Other Decks in Technology
See All in Technology
Next'24 事例セッションの紹介とクラウド資格を活用したキャリア形成について語りMuscle
yasumuusan
0
210
メールセキュリティの DMARC周りの設定を少しずつ設定してみたお話
miu_crescent
1
260
転移学習とドメイン適応の基礎
kmatsui
2
570
インシデントレスポンスのライフサイクルを廻すポイントってなに / Pinpoints of Incidentresponse Lifecycle for Operation
sakaitakeshi
0
290
コンパウンドスタートアップのためのスケーラブルでセキュアなInfrastructure as Codeパイプラインを考える / Scalable and Secure Infrastructure as Code Pipeline for a Compound Startup
yuyatakeyama
3
1.8k
Garoon 開発チーム / Garoon development team
cybozuinsideout
PRO
1
2.9k
スタートアップの技術顧問を3年間続けて発生した事と気付き
biwakonbu
0
150
反実仮想機械学習とは何か
usaito
PRO
6
1.1k
[2024年3月版] Databricksのシステムアーキテクチャ
databricksjapan
7
1.9k
0→1開発における技術選定において一番大切なこと
bicstone
1
310
Aurora MySQL v3(MySQL8.0互換)の オンラインDDLの罠挙動を全バージョンで検証した
yutakikai
0
150
The CloudCompare project by Dr. Daniel Girardeau-Montaut
kentaitakura
0
490
Featured
See All Featured
Statistics for Hackers
jakevdp
789
220k
Web development in the modern age
philhawksworth
201
10k
Exploring the Power of Turbo Streams & Action Cable | RailsConf2023
kevinliebholz
1
3.4k
The Invisible Side of Design
smashingmag
293
49k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
marktimemedia
18
1.7k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
226
16k
Intergalactic Javascript Robots from Outer Space
tanoku
266
26k
Atom: Resistance is Futile
akmur
258
25k
Debugging Ruby Performance
tmm1
69
11k
Designing Dashboards & Data Visualisations in Web Apps
destraynor
225
51k
How GitHub Uses GitHub to Build GitHub
holman
468
290k
The Cost Of JavaScript in 2023
addyosmani
13
3.8k
Transcript
harukasan / Δ͔͞Μ at #pyfes 2013.11 ͷΠϯϑϥΛࢧ͑Δٕज़ 2013
Harukasan@pixiv a.k.a MICHII Shunsuke ಓҪढ़հ 2003 Kurume National College of
Tech. - NHK ROBOCON - ACM-ICPC 2008 Kyushu Inst. of Technology 2010 Tsukuba Univ. - Computational Vision Science 2012 pixiv Inc. - Infrastructure team
None
͜͜ʹpixivͷઆ໌͕ೖΔ
Server 400+ Traffic 10Gbps+ Team member 6 Monthly PV 3.7
Billion
Bases of pixiv Infrastructure Office IDCF DC Developments Testing Log
Analytics Small Services Main Applications DB Image Cluster New DC Image Cluster
ISP Backbone Office IDCF DC New DC 100M 1G 10G
1G 1G line 1G pixiv Network
ͷΠϯϑϥΛࢧ͑Δٕज़ 2013
http://www.slideshare.net/kamipo/pixiv @kamipo pixivͷΠϯϑϥΛࢧ͑Δٕज़ / ςΫηϛ2009
@cubicdaiya inside pixiv’s infrastructure / PHP Conference 2013 http://www.slideshare.net/cubicdaiya/inside-pixiv-infrastructure
Agenda pixiv Image Cluster Log Analysis Basis Management Tools
pixiv Image Cluster QJYJWͷը૾৴Ϋϥελʹ͍ͭͯ
pixiv Image Cluster • 2010͔Βӡ༻։࢝ • pixivͷϝΠϯίϯςϯπͰ͋ΔΠϥετΛ ߴʹॲཧ͢ΔͨΊʹ࠷దԽ • શτϥϑΟοΫͷ90%Ҏ্Λࡹ͍͍ͯΔ
Image Cluster nginx Front Cache DNS Round-Robin ATS Cache nginx
Dispatch nginx Front Cache nginx Front Cache nginx Front Cache ATS Cache ATS Cache ATS Cache Consistent Hashing nginx Dispatch nginx Dispatch nginx Dispatch Apache Origin nginx Thumbnail DNS Round-Robin i1.pixiv.net i2.pixiv.net SmallLight
Cache strategy • ϝϞϦͱσΟεΫͷ2ஈΩϟογϡߏ • τϥϑΟοΫ͕૿͑ΔʹͭΕͯ εΠονؒτϥϑΟοΫ͕ແࢹͰ͖ͳ͘ͳͬͨ • ωοτϫʔΫτϥϑΟοΫΛ͑ͭͭ Ωϟογϡ༰ྔͷ֬อ͢Δඞཁ
Cache strategy • ϝϞϦՁ֨ͷԼ • SSDͷՁ͕֨མ • ߴIOPSͷSSD͕ొ 2011 ¥40,000
2013 ¥20,000 256G READ WRITE PRICE ioDrive2 785GB MLC*1 215,000/230,000 IOPS I don’t know Intel 910 800GB 100,000/ 75,000 IOPS ¥400,000 SSD 256GBx3 RAID0 80,000/ 50,000 IOPS ¥60,000 *1: ioDrive2ެশ Intel 910ɺ SSD RAID0ʹ͍ͭͯfioʹΑΔଌఆ 16G ECC RDIMM ¥20,000
Cache strategy ound-Robin nginx Front Cache nginx Front Cache nginx
Front Cache ATS Cache ATS Cache ATS Cache Consistent Hashing nginx Dispatch nginx Dispatch nginx Dispatch Apache Origin nginx Thumbnail DNS Round-Robin i1.pixiv.net i2.pixiv.net 64GB Memory - nginx cache on tmpfs - cache hit rate: 50% - reduce network traffic 256GB SSD x3 RAID0 - Apache Traffic Server (standalone) - cache hit rate: 80-90% SSD SSD HDD Original & BIG Thumb. Small Thumbnails
Aggregate image domains • ը૾αʔόϢʔβʔIDϕʔεͰࢄ img01.pixiv.net - img1XX.pixiv.net • 1ϖʔδͰ40-60ճDNSϦΫΤετ͕ൃੜ
Ոఉ༻ϧʔλDNSղܾ͕Ͱ͖ͳ͘ͳΔ • શը૾ͷURIΛมߋͯ͠ରԠ OLD: http://img01.pixiv.net/img/****/*****.jpg NEW: http://i1.pixiv.net/img01/img/****/*****.jpg
New Image Store ৽͍͠ը૾ετϨʔδํࣜʹ͍ͭͯ
New image store • ࡞+IDϕʔεͷγʔέϯγϟϧͳURI • 1ॻ͖ࠐΜͩϑΝΠϧRead Only • ࠶ߘॲཧ࡞Λߋ৽
• ngx_lua/OpenRestyΛ༻͍ͨཧআ
Logical Delete ! Kyototycoon ngx_lua / nginx null 404 /img02.png
403 /img03.png 404 /img05.png 404 /img08.png 403 " " GET /img01.png GET /img03.png 404
Logical Delete local memcached = require "resty.memcached" local uri =
ngx.var.request_uri local memc = memcached:new() . . . local val, flags, err = memc:get(request_uri) if val and val ~= "200" then exit(tonumber(val)) end logical_delete.lua location / { access_by_lua_file logical_delete.lua; }
Log Analysis Basis QJYJWͷϩάղੳج൫ʹ͍ͭͯ
Log Analysis Basis PHP Application MySQL/neoagent Front server - Error
Log - Login Log - Activity Log - Slow Query - Access Log MongoDB Elasticsearch Fluentd File System
Error Viewer
Slow Query Viewer
Kibana 3
Output Log • JSONΛॻ͖ग़ͯ͠Fluentd͕tail͢ΔΈ • ϓϩηε͕େྔʹىಈͯ͠εϧʔϓοτ͕མͪͳ͍ PHP Exception Handler Logger::write($type,
$data) # JSON Fluentd in_tail
Fluentd config <source> type tail path /var/tmp/log/activity.log pos_file /var/tmp/fluentd/activity.pos tag
activity format json # JSONܗࣜΛಡΈࠐΉ </source> <match activity> type forward_with_hostname # HostΛೖΕͯforward flush_interval 1s # ඞͣ1ඵ ! buffer_type file # buffer typefile/࠶ىಈͯ͠ফ͑ͳ͍ buffer_path /var/tmp/fluentd/buffer/activity.*.buffer buffer_chunk_limit 2m # chunkαΠζখ͞Ί buffer_queue_limit 128 # Ͳͷ͘Β͍ফ͑ͪΌ͍͚ͳ͍͔ … </match>
Management tools ཧܥɺࢹܥπʔϧʹ͍ͭͯ
Monitoring servers/services • ͘͘͝͝ҰൠతͳࢹϓϩμΫτΛ͍ͬͯΔ Ϧιʔεάϥϑ ϗετ/αʔϏεࢹ ϗετϓϩηεࢹ εΫϦϓτ Munin Nagios
Monit Cron
Cluster Admin ϋʔυΣΞใ ϗετͷ༻్ ࢹঢ়ଶ
Capistrano/Subversion • /etc/ҎԼͷઃఆϑΝΠϧ͕ͦͷ··subversionͷ ཧԼͷσΟϨΫτϦʹ • ઃఆөcapistranoΛ༻ͯ͠શʹσϓϩΠ • ϗετҰཡAPIܦ༝ͰऔಘͰ͖ΔΑ͏ʹ $cap dns:update
$cap dns:check $cap dns:reload ex: update DNS Record
Management Tools • LVSཧը໘ • MySQLͷԆࢹ • αʔϏεͷϦιʔεϞχλϦϯά
Conclusion • pixivΛࢧ͑Δج൫γεςϜʹ͍ͭͯհ • ͍͍͢πʔϧΛ͕͍͍ࣗͨͪ͢Α͏ʹ • ઑͬͨ͜ͱͤͣɺແཧͤͣӡ༻Ͱ͖Δঢ়ଶʹ ͍ͬͯ͘