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モンストを支えるインフラの今とこれから
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Isao Shimizu
March 01, 2016
Technology
70
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モンストを支えるインフラの今とこれから
dots. Conference Spring 2016
ゲーム開発の裏側
http://eventdots.jp/event/580344
Isao Shimizu
March 01, 2016
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Transcript
ϞϯετΛࢧ͑ΔΠϯϑϥͷࠓͱ͜Ε͔Β 2016.3.1 dots. Conference Spring 2016 ήʔϜ։ൃͷཪଆ mixi, Inc. XFLAG™
STUDIO @isaoshimizu
About Me • ਗ਼ਫ ܄ SHIMIZU ISAO @isaoshimizu • 20118݄ΑΓגࣜձࣾϛΫγΟ
• ݱࡏΤοΫεϑϥοάελδΦ γεςϜ։ൃ෦ ॴଐ • 2લʹιʔγϟϧɾωοτϫʔΩϯά αʔϏε mixi ͷӡ༻͔Β εϚʔτϑΥϯήʔϜʮϞϯελʔετϥΠΫʯͷӡ༻ 2
ϞϯελʔετϥΠΫ • 201310݄10 ਖ਼ࣜϦϦʔε • iOS൛, Android൛Λఏڙ • શੈքͰ3,000ສਓҎ্͕ϓϨΠʢಉҰͰॏෳμϯϩʔυ͞Εؚͨ·ͣʣ •
ຊɺɺؖࠃɺถɺ߳ߓɾϚΧΦͰల։ • YouTubeͰΞχϝͷ৴ 2,500ສճͷ࠶ੜɺχϯςϯυʔ3DS൛ ग़ՙ100ສຊಥഁ 3
͔͜͜ΒϞϯελʔετϥΠΫ ຊ൛ʹݶఆͨ͠༰ʹͳΓ·͢ 4
ͰݟΔϞϯελʔετϥΠΫͷΠϯϑϥ 5
6 Application 300+ Servers Resque 50 Servers Redis 30 Servers
Memcached 200+ Servers CDN Traffic Max 270Gbps API Traffic Avg 1Gbps TURN 40 Servers MariaDB 250+ Servers Internal Traffic Max 20Gbps
Πϯϑϥߏ 7
8 DC1 DC2 Main Main/Backup Main/Dev
ෳDCͱAmazon VPC • DC 1ʢϝΠϯʣɺDC 2ʢϝΠϯͱόοΫΞοϓʣɺAWSʢϝΠϯͱ։ൃڥʣͰߏ • ֤DCTY2,4ܦ༝ͰAmazon VPCͱDirectConnectͰϓϥΠϕʔτଓ •
֤DCؒยܥো࣌ʹ͓͍ͯ20Gbps·Ͱ͑ΒΕΔઃܭ • ৄ͍͠ղઆ “ڌͨ͠ʢ෦τϥϑΟοΫϘϦϡʔϜฤʣ” http://xflag.com/blog/infradb/internal_traffic_volume.html 9
֤ڌͷׂ 10
11 DC1 DC2 Main Main/Backup Main/Dev Application MariaDB Redis Resque
Memcached MariaDB Redis Memcached TURN Server ։ൃ༻Πϯελϯε܈ Application Resque
֤ڌͷׂ • ຊ൪ͷApplicationɺResqueDC1ɺDC2ͷ྆ํͰՔಇ • ຊ൪ͷRedisɺMariaDBɺMemcached • DC1ʹMaster/Backupͷηοτ • DC2ʹBackup •
BackupDC1ͱDC2߹Θͤͯ2ηοτ͋Δ • AWSͰຊ൪ͷTURN ServerʢϚϧνϓϨΠ༻ʣɺ։ൃ༻Πϯελϯε܈ͳͲ͕Քಇɻ 12
ΫϥΠΞϯτΞϓϦ͔ΒݟͨΠϯϑϥ 13
14 DC1 DC2 AWS TURN Server (EC2) CDN (CloudFront, Akamai)
API API LB LB Internet Client
ΫϥΠΞϯτΞϓϦ͔ΒͷΞΫηεઌ • DC1ͱDC2ʹ͋ΔϩʔυόϥϯαʔʢHAߏʣ • ϩʔυόϥϯαʔͷΞΫηεDNSϥϯυϩϏϯʢ2ͭͷԾIPʣ • ϩʔυόϥϯαʔ͔Β֤ڌͷApplicationαʔόৼΓ͚ • AWSͰϚϧνϓϨΠ༻ʹTURN ServerʢEC2
+ Elastic IPʣ • ήʔϜσʔλɾϦιʔεσʔλ༻ʹCDNʢCloudFront + S3ʣɻAkamaiซ༻ɻ 15
σϓϩΠ 16
17 DC1 DC2 Deploy Server S3 Bucket tarball S3 PUT
GitHub ssh Code Internet
σϓϩΠ • Capistrano 2 • ඞཁͳͱ͖ʹඞཁͳ͚ͩσϓϩΠ͢Δ • capistrano-s3copy-awscli https://github.com/bacter1a/capistrano-s3copy-awscli •
GitHub͔Β࠷৽ͷίʔυΛऔಘͯ͠S3Ξοϓϩʔυ༻ʹtarballΛ࡞ • ApplicationαʔόͰS3ʹΞοϓϩʔυ͞ΕͨtarballΛμϯϩʔυɺల։ • GitHubͷଓ੍ݶରࡦʢgithub.comେྔʹଓ͕ཁٻ͞ΕΔͱڋ൱͞ΕΔͨΊʣ 18
• capistrano-rbenv https://github.com/yyuu/capistrano-rbenv • όʔδϣϯࢦఆͰRubyͷɺΞοϓσʔτָ͕ʹ • Ruby 2.2.4ಋೖࡁΈ 19
ϓϩϏδϣχϯά 20
21 DC1 DC2 Deploy Server S3 Bucket GitHub ssh Chef
Cookbook Ubuntu Package Mirror Internet deb Package deb Package
ϓϩϏδϣχϯά • ChefʹΑΔϓϩϏδϣχϯά͕جຊ • capistrano-paratrooper-chef https://github.com/tk0miya/capistrano-paratrooper-chef • ཧϚγϯͷॳظηοτΞοϓʢ࠷ݶʣAnsibleΛ͏ • OSΫϦʔϯΠϯετʔϧޙͷঢ়ଶͰɺChef͕Πϯετʔϧ͞Ε͍ͯͳ͍ͨΊ
22
• Community CookbookΛincludeͨ͠ಠࣗCookbookΛ࡞ɺར༻͍ͯ͠Δ • ಠࣗCookbookɺXFLAGશମͷΠϯϑϥͰڞ௨ͯ͑͠ΔΑ͏ʹ • ͯ͢ͷαʔό͕ChefͰߏஙՄೳ • Քಇதͷຊ൪DBɺMemcachedʹ࠶ద༻͕ͯ͠ى͖ͳ͍Α͏ʹ 23
• S3ʹMariaDBͷϨϙδτϦͷϛϥʔʢຊՈͷোରࡦʣ • ioDriveͳͲͷυϥΠόஔ͍ͯ͋Δ • aptlyͰߏங http://www.aptly.info/ • ݸਓͷ։ൃϚγϯͰVagrant +
VirtualBox + ChefͰߏͰ͖ΔΑ͏ʹ • Test Kitchenͷ׆༻ https://github.com/test-kitchen/test-kitchen 24
ෛՙରࡦ 25
ࠓʹೖ͔ͬͯΒߴෛՙ͕ଓ͘… 26
ෛՙରࡦ • DBͷγϟʔσΟϯάɺςʔϒϧׂΛܧଓ࣮ࢪ • Applicationαʔόͷ૿ઃ 12-20 core ͳCPU x 2ʢHyper-ThreadingࢉͰ24-40
coreʣͷϚγϯ͕جຊߏ • ΫΤϦվળΩϟογϡରԠ ioDrive(ioMemory)͔ΒSSDͷεέʔϧμϯͷ࣮ݱ • Memcachedͷ૿ઃ 27
Memcachedͷߏ 28
Memcachedͷߏ • Memcached2ϓʔϧߏ • 1ϓʔϧ͋ͨΓ100 • Ϛγϯ1͋ͨΓͷϝϞϦׂΓͯ26GBʢϝϞϦ32GBࡌͷϚγϯʣ • 1ϓʔϧશମͰ2.6TBͷ༰ྔΛͭ •
྆ํͷϓʔϧʹಉ࣌ॻ͖ࠐΈ DoubleWriteCacheStores https://github.com/hirocaster/double_write_cache_stores • ϝϯςφϯεແ͠ͰϓʔϧͷΓସ͕͑ՄೳɻϓʔϧαΠζͷ૿ڧ͕Մೳʹɻ 29
2ϓʔϧߏͷMemcached ೖΕସ͑ํ๏ 30
31 App M App App M M M M M
M M M M M M set get set Pool 1 Pool 2 App App App M M M M M M set get Pool 1 Pool 2 ௨ৗ࣌ ఀࢭɾ૿ઃ M M શΫϦΞ͓ͯ͘͠ M M M M M M Pool2ͷsetΛఀࢭ M Memcachedϗετ
32 App M App App M M M M M
set get set Pool 1 Pool 2 Γସ͑ M M M M M M M M App App App set get Pool 1 Pool 2 Ωϟογϡ͋ͨͨΊ set M M M M M M M M M M M M M M ͠Β͋ͨͨ͘ΊΔ
ϩʔυόϥϯαʔ 33
ϩʔυόϥϯαʔ • ApplicationαʔόͷલஈΞϓϥΠΞϯεͷϩʔυόϥϯαʔΛར༻ • A10 Networks AX2500 • RESTful APIʹΑΔૢ࡞͕Մೳ
• ࣗࣾ։ൃͷGoͷCLIπʔϧʢa10-cliʣ • ApplicationαʔόͷՃɺআ࣌ʹίϚϯυ1ͭͰαʔϏεΠϯɾΞτ͕Ͱ͖Δ 34
35 nginx unicorn nginx unicorn nginx unicorn nginx unicorn MemcachedMariaDBͳͲ
Internet A10 ϩʔυόϥϯαʔ Applicationαʔό
ϞχλϦϯάɾࢹ 36
37 CloudForecast • ͯ͢ͷαʔόͷϝτϦΫεऔಘ • 1,000ͷαʔό͕ܭଌର • ༷ʑͳಠࣗͷϝτϦΫεΛՃ https://github.com/kazeburo/cloudforecast
38 GrowthForecast • DCϥοΫͷిྗͷάϥϑԽ • Fluentd Monitoring AgentͷάϥϑԽ http://kazeburo.github.io/GrowthForecast/
39 • ͯ͢ͷαʔόͷࢹ • 12,000Λ͑Δࢹ߲ • ಠࣗͷϓϥάΠϯΛՃ • PagerDutyͱͷ࿈ܞ •
൪ͷεέδϡʔϦϯά • ΤεΧϨʔγϣϯϙϦγʔ • Slackͷ௨ https://www.nagios.org/
40 • nginx, ApplicationͷϩάΛ FluentdΛͬͯElasticsearchసૹ • APIຖͷॲཧ࣌ؒϨεϙϯελΠϜͷܭଌ • Τϥʔසͷܭଌ •
ಛఆϗετ͔ΒͷΞΫηεͷௐࠪ • Slow QueryͷՄࢹԽ • CloudTrailϩάͷՄࢹԽ https://www.elastic.co/
41 nginx unicorn Amazon S3 GrowthForecast LTSV Log Application Servers
ϩάసૹϑϩʔ Monitoring Agent Response Time Status Code Monitoring Agent Log Log td-agent 2.3.x Max 500Mbps Max 500Mbps
ৗͷπʔϧ 42
43 • ίϛϡχέʔγϣϯSlackͰ౷Ұ • Hubot https://hubot.github.com ར༻ʹΑΔChatOpsͷ࣮ݱ • ։ൃڥͷσϓϩΠͳͲΛSlack͔Β࣮ߦՄೳ •
ৄ͘͠Software Design 20161݄߸ͷChatOpsಛूʹ http://gihyo.jp/magazine/SD/archive/2016/201601 • ΞϓϦέʔγϣϯίʔυΠϯϑϥߏங༻ͷCookbookͳͲ ͯ͢GitHub্Ͱཧ • pull requestsϕʔεͷ։ൃɺϨϏϡʔ • GitHub্Ͱͷ׆ಈSlack௨͞ΕΔ • GitHubͰpull requests͕࡞͞ΕΔͱࣗಈςετ࣮ߦ • Dockerίϯςφͷੜɺςετ࣮ߦɺഁغ • Hubotͱͷ࿈ܞ
͜Ε͔Β͍͖͍ͬͯͨ͜ͱ 44
• ίʔυͷվળɺεέʔϧΞτɺΩϟογϡར༻ͳͲ • εέʔϧΞοϓͰ͖Δ͚ͩΓͨ͘ͳ͍ • ݁Ռతʹεέʔϧμϯʹͭͳ͕Δͱϕετ • ͜ΕΒैདྷ͔Βܧଓ࣮ͯ͠ࢪ͍ͯ͠Δ • ιϑτΣΞͷܧଓతΞοϓσʔτ
• Ubuntu Server 14.04 or 16.04 LTSʢ4/21ϦϦʔε༧ఆʣͷҠߦ • KernelɺϛυϧΣΞͷΞοϓσʔτੵۃతʹ࣮ࢪ 45
• MemcachedͷSlab Rebalancingʢ slab_reassign, slab_automove ʣ • ·ͩௐࠪɺݕূஈ֊ͳͷͰӡ༻ࣄྫ͕͋ΕΓ͍ͨ • ࢹɺϞχλϦϯάڥͷվળ
• ෛՙҟৗʹΑΓૉૣ͘ؾ͚ͮΔӡ༻ʹ • ͏গࣗ͠ಈԽ͍ͨ͠ͱ͜Ζ • Consulͱͷ࿈ܞ 46
• ࣾͷ৽نҊ݅ͰHashicorpࣾπʔϧ Terraformͷར༻͕࢝·͍ͬͯΔ • Ϟϯετʹޙ͔Βಋೖ͢ΔͷίετϦεΫ͕ߴ͍ͷͰಋೖ༧ఆͳ͠ • ෦తʹπʔϧར༻ʹΑΔޮԽ͓͜ͳ͍͖͍ͬͯͨ • ΠϯϑϥςετͷޮԽ •
DockerServerspecͳͲΛ͞Βʹ׆༻͍͖͍ͯͨ͠ • Chef CookbookͷϦϑΝΫλϦϯάɺͬͱγϯϓϧʹ 47
࠷ޙʹ 48
ΤϯδχΞืूதʂ 49 http://xflag.com/recruit/career/engineer.html
͋Γ͕ͱ͏͍͟͝·ͨ͠ 50