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Scalabilityã«é–¢ã™ã‚‹souskã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (18)

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ScalableStorageWithOSS00 - mizzy.org - Trac
OSS ã ã‘ã§ã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ãƒ«ãªã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚’å®‰ä¾¡ã«æ§‹ç¯‰ã™ã‚‹æ–¹æ³• #0 TLUG Meeting 2008/09 ã§ç™ºè¡¨ã—ãŸ How to build a scala ble storage system with OSS ãªã‚“ã§ã™ãŒã€ç™ºè¡¨ã§ã¯æ¦‚è¦ã—ã‹è§¦ã‚Œã¦ãªãã¦ã€ã˜ã‚ƒã‚ã„ã£ãŸã„ã©ã†ã‚„ã£ã¦æ§‹ç¯‰ã™ã‚‹ã®ã‚ˆã€ã¨ã„ã†éƒ¨åˆ†ãŒå…¨ç„¶ãªã„ã®ã§ã€ã¼ã¡ã¼ã¡ã“ã®ãƒ–ãƒã‚°ã§æ›¸ã„ã¦ã„ãã“ã¨ã«ã—ã¾ã™ã€‚ ã§ã€ã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ãƒ«ã¨ã„ã†ã ã‘ã ã¨æ›–æ˜§ãªã®ã§ã€ä»¥ä¸‹ã®ã‚ˆã†ãªè¦ä»¶ã‚’æº€ãŸã™ã‚‚ã®ã‚’ã€ã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ãƒ«ãªã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã¨æƒ³å®šã™ã‚‹ã“ã¨ã«ã—ã¾ã™ã€‚ ç‰¹æ®Šãªã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã‚’å¿…è¦ã¨ã›ãšã«ã€OS ã‹ã‚‰ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã¨ã—ã¦ãƒžã‚¦ãƒ³ãƒˆã§ãã‚‹ã‚‚ã®ã€‚ãªã®ã§ MogileFSã€Hadoop Distributed File Systemã€Google File System ç‰ã¯å¯¾è±¡å¤–ã€‚ï¼ˆFUSE ä½¿ãˆã°ã‚„ã‚Œãªã„ã“ã¨ã‚‚ãªã„ã‘ã©â€¦ï¼‰ å®¹é‡ã‚’ã‚ªãƒ³ãƒ©ã‚¤ãƒ³ã§ãƒ€ã‚¤ãƒŠãƒŸãƒƒã‚¯ã«è¿½åŠ ã§
sousk 2010/02/08
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Scalability

cloud
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sousk 2009/10/27
Scalability
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Kazuho@Cybozu Labs: ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã¨ã‚¹ã‚±ãƒ¼ãƒ©ãƒ“ãƒªãƒ†ã‚£ã®ãŸã‚ã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ (BPStudy#25ç™ºè¡¨è³‡æ–™)
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sousk 2009/09/28
Scalability

é‹ç”¨
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Rails
New Relic Now Dream of innovating more? Start living the dream in October.
sousk 2009/03/13
rails

Scalability
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sousk 2009/02/01
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Scalability
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http://www.webficient.com/2007/08/testing-various-configurations-of-rails.html
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sousk 2008/03/27
merb

nginx

Scalability
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swiftcore.orgÂ -Â ã“ã®ã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆã¯è²©å£²ç”¨ã§ã™ï¼Â -Â swiftcore ãƒªã‚½ãƒ¼ã‚¹ãŠã‚ˆã³æƒ…å ±
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sousk 2008/03/22
concurrency level =CL, CL1:150%, CL100:500% improvedã€‚hot patch to mongrel, remove ruby's thread's and socket handling from Mongrel Core, Replace with Event Machine event loop, Stands up much better under higher concurrent load without starting to slow down or leak memory,

mongrel

Scalability
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Engine Yard hiring developers to help build our cloud
Introduction Ruby on Rails, a server-side web application framework has greatly influenced web application development since its emergency in 2005. Ruby on Rails is written in Ruby under MIT licence, and I should warn on not confusing Ruby on Rails to the Ruby language. Among many other reasons, this is why you definitely should consider Ruby in your next web application project. Popularity Is Rub
sousk 2008/03/22
Rails isn't thread-safe, use mongrel cluster, mongrel mutex lock/unlock and Rails internal req/res Life-cycle, Pen/Haproxy/mod_proxy_balancer, and Nginx is the great, mod_rewrite replaced with http_script_module, monit, Swiftply (let mongrel be single threaded, event driven),

Xen

Scalability

neko

nginx

rails

mongrel

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Don'tStopMusic - DBåˆ†æ•£ã®æ¬¡ã¯éžåŒæœŸå‡¦ç†ãŒã‚¦ã‚§ãƒ–ã‚¢ãƒ—ãƒªã®ã‚¹ã‚±ãƒ¼ãƒªãƒ³ã‚°ã®ãƒˆãƒ¬ãƒ³ãƒ‰ã«ãªã‚‹ , ã‚‹ã³ã¾ 21 å·
_ [ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢] DBåˆ†æ•£ã®æ¬¡ã¯éžåŒæœŸå‡¦ç†ãŒã‚¦ã‚§ãƒ–ã‚¢ãƒ—ãƒªã®ã‚¹ã‚±ãƒ¼ãƒªãƒ³ã‚°ã®ãƒˆãƒ¬ãƒ³ãƒ‰ã«ãªã‚‹ ã‚µã‚¤ãƒœã‚¦ã‚ºã‚‚ memcached + MySQL DB åˆ†æ•£ Cybozu Developer Network: MySQL Users Conference Japan 2007 è¬›æ¼”æ¦‚è¦ ã‚’èªã‚“ã§ã€memcached ã§ã‚ãƒ£ãƒƒã‚·ãƒ¥ï¼† è¤‡æ•°ã® MySQL ã‚’ã‚¢ãƒ—ãƒªã®ãƒã‚¸ãƒƒã‚¯ã§åˆ†æ•£åŒ–ã¨ã„ã†ã®ã¯ã€ã‚‚ã†ã™ã£ã‹ã‚Šã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ãƒ«ãªã‚¦ã‚§ãƒ–ã‚¢ãƒ—ãƒªã®ä½œã‚Šæ–¹ã¨ã—ã¦å¸¸å¥—æ‰‹æ®µã«ãªã£ãŸã¨æ€ã„ã¾ã—ãŸã€‚ 2004 å¹´ 4 æœˆã® MySQL ã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã§ã® Brad Fitzpatrick ã®ç™ºè¡¨ Inside LiveJournal's Backend (PDF)ã‹ã‚‰ç´„ 3 å¹´åŠã€‚Mixi ã‚„ã¯ã¦ãªã®ã‚ˆã†ãªã‚¨ãƒƒã‚¸ãªä¼æ¥ã¯ã ã„ã¶å‰ã‹ã‚‰ã“ã®æ§‹æˆã‚’æŽ¡ç”¨ã—ã¦ã¾ã™ãŒã€å¯¾æ³•äººã®ãƒ“ã‚¸ãƒã‚¹ã‚’ã—ã¦ã„ã‚‹ã‚µã‚¤ãƒœã‚¦ã‚ºã§ã‚‚æŽ¡ç”¨ã•ã‚ŒãŸã¨ã„ã†ã®ã¯ä¸€ã¤
sousk 2007/09/30
Scalability

queue
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gearman [Gearman Job Server]
What is Gearman? Gearman provides a generic application framework to farm out work to other machines or processes that are better suited to do the work. It allows you to do work in parallel, to load balance processing, and to call functions between languages. It can be used in a variety of applications, from high-availability web sites to the transport of database replication events. In other word
sousk 2007/09/25
job-queue/q-daemon/worker æ§‹æˆã®ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ãƒ³ã‚°ã‚µãƒ¼ãƒã€‚SixApartè¬¹è£½ã€LiveJournal ã§åˆ©ç”¨ã€LJ ã®ã‚¹ã‚±ãƒ¼ãƒªãƒ³ã‚°æˆ¦ç•¥èª¬æ˜Žæœ‰ã‚Š

queue

Scalability

parallelize
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Too-biased: The Secret to Memcached
Memcached has long been the answer to most questions containing the word scale. There are some spectacular memcached installations out there. Facebook is said to run a 200 server with 3TB of memory solely for servicing memcached; Shopify, twitter, digg, Slashdot and just about every other public facing application depends on it. Facebookâ€™s installation is said to deliver a 99% cache hit rate wh
sousk 2007/05/24
Scalability

memcached
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[Ruby] RailsConf 2007 ã®ãƒ—ãƒ¬ã‚¼ãƒ³ - Don'tStopMusic (2007-05-22)RailsConf 2007ã®ãƒ—ãƒ¬ã‚¼ãƒ³(ã‚¹ã‚±ãƒ¼ãƒªãƒ³ã‚°ã€ãƒ‡ãƒ¼ãƒ¢ãƒ³ãƒ—ãƒã‚»ã‚¹ã®ä½œã‚Šæ–¹ã€Capistrano)
_ [Ruby] RailsConf 2007 ã®ãƒ—ãƒ¬ã‚¼ãƒ³ Ruby Inside ã‚ˆã‚Š 3 Fresh Presentations from RailsConf 2007 ã‚¢ãƒ¡ãƒªã‚«ã¯ã‚ªãƒ¬ã‚´ãƒ³å·žãƒãƒ¼ãƒˆãƒ©ãƒ³ãƒ‰ã§ RailsConf 2007 ãŒè¡Œã‚ã‚Œã¦ã„ã¾ã—ãŸã€‚Ruby Inside ã§ãã® RailsConf 2007 ã®ãƒ—ãƒ¬ã‚¼ãƒ³ã‚’ 3 ã¤ç´¹ä»‹ã—ã¦ã„ã¾ã™ã®ã§ã€å³ã‹ã‚‰å·¦ã«æµã—ã¾ã™ã€‚ Scaling a Rails Application from the Bottom Up Angels & Daemons (PDF) Harnessing Capistrano Scaling a Rails Application from the Bottom Up ã¯ã€æœ€è¿‘ Joyent Slingshot ã‚’å…¬é–‹ã—ãŸ Joyent ã® CTO ã®ãƒ—ãƒ¬ã‚¼ãƒ³ã€‚ã‚¹ã‚±ãƒ¼ãƒªãƒ³ã‚°ã¨ã„ã£ã¦ã‚‚ã€ŒRails ã¨ãƒ‡ãƒ¼
sousk 2007/05/24
ruby

Scalability

rails
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MySQL Conference & Expo 2007 - ã¨ã‚ã‚‹ã¯ã¦ãªç¤¾å“¡ã®æ—¥è¨˜
ä¸€æ˜¨æ—¥ã‹ã‚‰ä»Šæ—¥ã¾ã§3æ—¥é–“ã®æ—¥ç¨‹ã§é–‹å‚¬ã•ã‚Œã¦ã„ãŸã€MySQL Conference & Expo 2007ã«è¡Œã£ã¦ãã¾ã—ãŸã€‚æ—¥å¸°ã‚Šåœå†…ã©ã“ã‚ã‹ã€è‡ªè»¢è»Šåœå†…ã§ã€ã“ã†ã„ã†ã‚«ãƒ³ãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ãŒã‚ã‚‹ã®ã¯ã€ç´ æ™´ã—ã„ã§ã™ã€‚ è©³ç´°ã¯ã€éšæ™‚ã‚¢ãƒƒãƒ—ã•ã‚Œã‚‹ã§ã‚ã‚ã†ãƒ—ãƒ¬ã‚¼ãƒ³è³‡æ–™ã¨ã€Planet MySQLã«å¤§é‡ã®å ±å‘ŠãŒã‚ã‚Šã¾ã™(å…¨éƒ¨è‹±èªžã§ã™ã‘ã©)ã€‚ å€‹äººçš„ã«æ³¨ç›®ã—ã¦ã„ãŸã®ã¯ã€Digg.comã€Flickr.comã¨Youtube.comã®DBå‘¨ã‚Šã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã®ã‚»ãƒƒã‚·ãƒ§ãƒ³ã§ã—ãŸã€‚ã‚ã¨ã¯ã€http://www.mysqlperformaceblog.com/ã®äººã®ã‚»ãƒƒã‚·ãƒ§ãƒ³ã¯ã€ç´°ã‹ã„TipsãŒå¤šãã€å…·ä½“çš„ã«ã ã„ã¶å½¹ã«ç«‹ã¡ãã†ã§ã™ã€‚ ã¨ã„ã†ã‚ã‘ã§ã€ç°¡å˜ã«æ³¨ç›®ã—ãŸã‚»ãƒƒã‚·ãƒ§ãƒ³ã®å†…å®¹ã‚’ç´¹ä»‹ã—ã¦ã¿ã¾ã™ã€‚ã¡ãªã¿ã«ã€å†…å®¹ã®æ£ç¢ºã•ã¯ç„¡ä¿è¨¼ã§ã™:P æ°—ãŒå‘ã‘ã°ã€ã‚‚ã£ã¨ã„ã‚ã„ã‚è€ƒå¯Ÿã—ã¦ã¿ã‚‹ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã€‚ Techno logy at Di
sousk 2007/05/22
youtube, digg ã®æ§‹æˆã€é‹ç”¨ãƒ†ã‚¯

MySQL

Scalability

è² è·åˆ†æ•£
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Scaling Facebook, Hi5 with memcached (Skrentablog)
From a discussion board thread pointed to by programming.reddit, a nifty discussion of high volume sites Facebook, Hi5 and others who are using memcached as a critical scaling tool: From: Steve Grimm <... facebook.com> Subject: Re: Largest production memcached install? No clue if we're the largest installation, but Facebook has roughly 200 dedicated memcached servers in its production environment,
sousk 2007/05/18
Scalability
ãƒªãƒ³ã‚¯
Scaling Twitter Â» SlideShare
Scaling Twitter - Slides for a talk presented at the SDForum Silicon Valley Ruby Conference 2007 on Twitter's challenges scaling Rails.Read less
sousk 2007/05/03
Scalability
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twitterãƒ–ãƒ¼ãƒ ã®é™°ã§æ³¨ç›®ã‚’é›†ã‚ã‚‹â€œErlangâ€ ï¼ ï¼ IT
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sousk 2007/05/03
erlang

Scalability
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The C10K problem
[Help save the best Linux news source on the web -- subscribe to Linux Weekly News!] It's time for web servers to handle ten thousand clients simultaneously, don't you think? After all, the web is a big place now. And computers are big, too. You can buy a 1000MHz machine with 2 gigabytes of RAM and an 1000Mbit/sec Ethernet card for $1200 or so. Let's see - at 20000 clients, that's 50KHz, 100Kbytes
sousk 2007/05/03
Scalability

c10k
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TheC10kProblem - ã€ŒC10Kå•é¡Œã€ï¼ˆã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ1ä¸‡å°å•é¡Œï¼‰ã¨ã¯ã€ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã®æ€§èƒ½ä¸Šã¯å•é¡ŒãŒãªãã¦ã‚‚ã€ã‚ã¾ã‚Šã«ã‚‚ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®æ•°ãŒå¤šããªã‚‹ã¨ã‚µãƒ¼ãƒãŒãƒ‘ãƒ³ã‚¯ã™ã‚‹å•é¡Œã®ã“ã¨
TheC10kProbl em - ã€ŒC10Kå•é¡Œã€ï¼ˆã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ1ä¸‡å°å•é¡Œï¼‰ã¨ã¯ã€ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã®æ€§èƒ½ä¸Šã¯å•é¡ŒãŒãªãã¦ã‚‚ã€ã‚ã¾ã‚Šã«ã‚‚ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã®æ•°ãŒå¤šããªã‚‹ã¨ã‚µãƒ¼ãƒãŒãƒ‘ãƒ³ã‚¯ã™ã‚‹å•é¡Œã®ã“ã¨ ç›®æ¬¡ ã“ã®æ–‡æ›¸ã«ã¤ã„ã¦ C10K å•é¡Œ é–¢é€£ã‚µã‚¤ãƒˆ ã¾ãšèªã‚€ã¹ãæœ¬ I/O ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ I/O æˆ¦ç•¥ 1. å„ã‚¹ãƒ¬ãƒƒãƒ‰ãŒè¤‡æ•°ã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚’å—ã‘ä»˜ã‘ã‚‹. ãã—ã¦ãƒŽãƒ³ãƒ–ãƒãƒƒã‚ãƒ³ã‚° I/O ã¨ ãƒ¬ãƒ™ãƒ«ãƒ»ãƒˆãƒªã‚¬åž‹ã®å®Œäº†é€šçŸ¥ã‚’åˆ©ç”¨ã™ã‚‹. ä¼çµ±çš„ãª select() ä¼çµ±çš„ãª poll() /dev/poll kqueue() 2. å„ã‚¹ãƒ¬ãƒƒãƒ‰ãŒè¤‡æ•°ã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚’å—ã‘ä»˜ã‘ã‚‹. ãã—ã¦ãƒŽãƒ³ãƒ–ãƒãƒƒã‚ãƒ³ã‚° I/O ã¨ å¤‰æ›´åž‹ã®å®Œäº†é€šçŸ¥(readiness change notification)ã‚’åˆ©ç”¨ã™ã‚‹. kqueue() epoll ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ ãƒ»ã‚·ã‚°ãƒŠãƒ« fd å˜ä½ã®ã‚·ã‚°ãƒŠãƒ« (Signal-per-fd)
sousk 2007/03/05
VCE

Scalability
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1